<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2504-3145</journal-id>
<journal-title><![CDATA[Portuguese Journal of Public Health]]></journal-title>
<abbrev-journal-title><![CDATA[Port J Public Health]]></abbrev-journal-title>
<issn>2504-3145</issn>
<publisher>
<publisher-name><![CDATA[Escola Nacional de Saúde Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2504-31452023000100045</article-id>
<article-id pub-id-type="doi">10.1159/000529147</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Instruments for Assessing Loneliness in Older People in Portugal: A Scoping Review]]></article-title>
<article-title xml:lang="pt"><![CDATA[Instrumentos de avaliação da solidão em adultos mais velhos em Portugal: uma scoping review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tavares]]></surname>
<given-names><![CDATA[João]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Aveiro Department of Education and Psychology ]]></institution>
<addr-line><![CDATA[Aveiro ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CINTESIS@RISE  ]]></institution>
<addr-line><![CDATA[Porto ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Aveiro School of Health Sciences ]]></institution>
<addr-line><![CDATA[Aveiro ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>45</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2504-31452023000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2504-31452023000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2504-31452023000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  Loneliness is a public health problem that affects many older adults. The subjective nature of loneliness challenges its assessment. Thus, assessing loneliness with valid and reliable instruments is crucial to characterizing the phenomenon and planning adequate interventions.  Summary:  This study mapped the instruments validated for the Portuguese older population that assess loneliness. A scoping review was performed. The search for studies was carried out in SciELO, PsycInfo, Scopus, MEDLINE, MedicLatina, Nursing &amp; Allied Health Collection: Comprehensive, CINAHL, and Open Access Scientific Repositories of Portugal. The findings showed three instruments validated for the Portuguese older population: ULS-16, ULS-6, and SELSA-S.  Key Messages:  Future testing of those instruments is required to update and accumulate psychometric evidence. In addition, it is important to translate and validate other instruments to the Portuguese older adults population, namely de Jong Gierveld and UCLA-R (most used internationally), as well as the ALONE scale (new and brief).]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Contexto:  A solidão é um problema de saúde pública que afeta muitos adultos mais velhos. A natureza subjetiva da solidão desafia a sua avaliação. Avaliar a solidão com instrumentos válidos e confiáveis é fundamental para caracterizar o fenómeno e planear intervenções adequadas.  Resumo:  Este estudo mapeou os instrumentos validados para os adultos portugueses mais velhos que avaliam a solidão. Foi realizada uma scoping review. A pesquisa foi realizada no SciELO, PsycInfo, Scopus, MEDLINE, MedicLatina, Nursing &amp; Allied Health Collection: Comprehensive, CINAHL e RCAAP. Os resultados mostram três instrumentos validados para a população idosa portuguesa: ULS-16, ULS-6 e SELSA-S.  Mensagens-chave:  São necessários testes futuros desses instrumentos para atualizar e acumular evidências psicométricas. Adicionalmente, é importante traduzir e validar outros instrumentos para a população idosa portuguesa, nomeadamente as escalas de Jong Gierveld e a UCLA-R (mais utilizadas internacionalmente), bem como a escala ALONE (nova e sucinta).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Aging]]></kwd>
<kwd lng="en"><![CDATA[Assessment]]></kwd>
<kwd lng="en"><![CDATA[Measures]]></kwd>
<kwd lng="en"><![CDATA[Lonely]]></kwd>
<kwd lng="en"><![CDATA[Portuguese population]]></kwd>
<kwd lng="pt"><![CDATA[Envelhecimento]]></kwd>
<kwd lng="pt"><![CDATA[Avaliação]]></kwd>
<kwd lng="pt"><![CDATA[Escalas]]></kwd>
<kwd lng="pt"><![CDATA[Solitário]]></kwd>
<kwd lng="pt"><![CDATA[População Portuguesa]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<collab>World Health Organization</collab>
<source><![CDATA[Social isolation and loneliness among older people: advocacy brief]]></source>
<year>2021</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[WHO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<collab>World Health Organization</collab>
<source><![CDATA[World report on ageing and health]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[WHO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baarck]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Balahur]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cassio]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[d'Hombres]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Pásztor]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Tintori]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Loneliness in the EU: insights from surveys and online media data]]></source>
<year>2021</year>
<publisher-loc><![CDATA[Brussels ]]></publisher-loc>
<publisher-name><![CDATA[Publications Office of the European Union]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guerra]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Understanding loneliness in older adults reports from experts by experience to reach digital solutions]]></article-title>
<source><![CDATA[J Gerontol Soc Work]]></source>
<year>2022</year>
<volume>65</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>728-34</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holt-Lunstad]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[TB]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Stephenson]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Loneliness and social isolation as risk factors for mortality a meta-analytic review]]></article-title>
<source><![CDATA[Perspect Psychol Sci]]></source>
<year>2015</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>227-37</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fried]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Prohaska]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Burholt]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Burns]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Golden]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Hawkley]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A unified approach to loneliness]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>2020</year>
<volume>395</volume>
<numero>10218</numero>
<issue>10218</issue>
<page-range>114</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Surkalim]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Eres]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Gebel]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[van Buskirk]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bauman]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The prevalence of loneliness across 113 countries systematic review and meta-analysis]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2022</year>
<volume>376</volume>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luchetti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Aschwanden]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Sesker]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Strickhouser]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Terracciano]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The trajectory of loneliness in response to COVID-19]]></article-title>
<source><![CDATA[Am Psychol]]></source>
<year>2020</year>
<volume>75</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>897-908</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pai]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Vella]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[COVID-19 and loneliness a rapid systematic review]]></article-title>
<source><![CDATA[Aust N Z J Psychiatry]]></source>
<year>2021</year>
<volume>55</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1144-56</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heidinger]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Richter]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of COVID-19 on loneliness in the elderly an empirical comparison of pre-and peri-pandemic loneliness in community-dwelling elderly]]></article-title>
<source><![CDATA[Front Psychol]]></source>
<year>2020</year>
<volume>11</volume>
<numero>11</numero>
<issue>11</issue>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Cadigan]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Rhew]]></surname>
<given-names><![CDATA[IC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Increases in loneliness among young adults during the COVID-19 pandemic and association with increases in mental health problems]]></article-title>
<source><![CDATA[J Adolesc Health]]></source>
<year>2020</year>
<volume>67</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>714-7</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuznier]]></surname>
<given-names><![CDATA[TP]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[FD]]></given-names>
</name>
<name>
<surname><![CDATA[Mata]]></surname>
<given-names><![CDATA[LRFD]]></given-names>
</name>
<name>
<surname><![CDATA[Chianca]]></surname>
<given-names><![CDATA[TCM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Translation and cross-cultural adaptation of UCLA loneliness scale (version 3) for the elderly in Brazil]]></article-title>
<source><![CDATA[REME: Revista Mineira de Enfermagem]]></source>
<year>2016</year>
<volume>20</volume>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Russell]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Peplau]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Ferguson]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Developing a measure of loneliness]]></article-title>
<source><![CDATA[J Pers Assess]]></source>
<year>1978</year>
<volume>42</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>290-4</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Russell]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Peplau]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Cutrona]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The revised UCLA Loneliness Scale concurrent and discriminant validity evidence]]></article-title>
<source><![CDATA[J Pers Soc Psychol]]></source>
<year>1980</year>
<volume>39</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>472-80</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hays]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[DiMatteo]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A short-form measure of loneliness]]></article-title>
<source><![CDATA[J Pers Assess]]></source>
<year>1987</year>
<volume>51</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>69-81</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Loneliness among portuguese adolescentes]]></article-title>
<source><![CDATA[Soc Behav Pers]]></source>
<year>1992</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-21</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roberts]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Lewinsohn]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Seeley]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A brief measure of loneliness suitable for use with adolescents]]></article-title>
<source><![CDATA[Psychol Rep]]></source>
<year>1993</year>
<volume>723</volume>
<numero>Pt</numero>
<issue>Pt</issue>
<page-range>2137991</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hughes]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Waite]]></surname>
<given-names><![CDATA[LJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hawkley]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Cacioppo]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A short scale for measuring loneliness in large surveys results from two population-based studies]]></article-title>
<source><![CDATA[Res Aging]]></source>
<year>2004</year>
<volume>26</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>655-72</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DiTommaso]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Spinner]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Social and emotional loneliness a re-examination of weiss' typology of loneliness]]></article-title>
<source><![CDATA[Pers Individ Dif]]></source>
<year>1997</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>417-27</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Jong-Gierveld]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Kamphuls]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The development of a rasch-type loneliness scale]]></article-title>
<source><![CDATA[Appl Psychol Meas]]></source>
<year>1985</year>
<volume>9</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>289-99</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<collab>Campaign to End Loneliness</collab>
<source><![CDATA[Measuring your impact on loneliness in later life]]></source>
<year>2014</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Campaign to End Loneliness]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Luz]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Padeiro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Daily mobility and social interactions among community-dwelling older adults with pet dogs a scoping review]]></article-title>
<source><![CDATA[J Appl Gerontol]]></source>
<year>2022</year>
<volume>41</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2609-23</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Handley]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Lewin]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
<name>
<surname><![CDATA[Butterworth]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kelly]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Employment and retirement impacts on health and wellbeing among a sample of rural Australians]]></article-title>
<source><![CDATA[BMC Public Health]]></source>
<year>2021</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Como envelhecem os portugueses: envelhecimento, saúde, idadismo]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Lisboa ]]></publisher-loc>
<publisher-name><![CDATA[Fundação Francisco Manuel dos Santos/ Pordata]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peters]]></surname>
<given-names><![CDATA[MDJ]]></given-names>
</name>
<name>
<surname><![CDATA[Godfrey]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[McInerney]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Munn]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Tricco]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Khalil]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chapter 11: scoping reviews (2020 version)]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Aromataris]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Munn]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<source><![CDATA[JBI manual for evidence synthesis]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Adelaide ]]></publisher-loc>
<publisher-name><![CDATA[JBI]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Canellas]]></surname>
<given-names><![CDATA[JV]]></given-names>
</name>
<name>
<surname><![CDATA[Figueredo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Ritto]]></surname>
<given-names><![CDATA[FG]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[GV]]></given-names>
</name>
<name>
<surname><![CDATA[Vettore]]></surname>
<given-names><![CDATA[MV]]></given-names>
</name>
<name>
<surname><![CDATA[Rodolico]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[INPLASY international platform of registered systematic review and meta-analysis protocols]]></source>
<year>2021</year>
<publisher-loc><![CDATA[Middletown DE ]]></publisher-loc>
<publisher-name><![CDATA[INPLASY]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Tavares]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Instruments for assessing loneliness in older people in Portugal: a scoping review protocol Inplasy Protocol]]></source>
<year>2021</year>
<publisher-loc><![CDATA[Middletown DE ]]></publisher-loc>
<publisher-name><![CDATA[INPLASY]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adaptação portuguesa da escala de solidão social e emocional (SELSA-S)]]></article-title>
<source><![CDATA[Psicologia Educação Cultura]]></source>
<year>2009</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>7-31</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pocinho]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Farate]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validação Psicométrica da Escala UCLA-Loneliness para Idosos Portugueses]]></article-title>
<source><![CDATA[Interações]]></source>
<year>2010</year>
<volume>10</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>65-77</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Faustino]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Campaioli]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rondinone]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bomfim]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Psychometric and rash analysis of the UCLA loneliness scale-16 in a portuguese sample of older adults]]></article-title>
<source><![CDATA[Psychol Stud]]></source>
<year>2019</year>
<volume>64</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>140-6</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Loneliness among Portuguese adolescents]]></article-title>
<source><![CDATA[Soc Behav Pers]]></source>
<year>1992</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-21</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Psychometric analysis of the short-form UCLA loneliness scale (ULS-6) in older adults]]></article-title>
<source><![CDATA[Eur J Ageing]]></source>
<year>2014</year>
<volume>11</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>313-9</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Avaliação da Solidão]]></article-title>
<source><![CDATA[Psicol Clin]]></source>
<year>1989</year>
<volume>2</volume>
<page-range>65-79</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rokach]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Brock]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coping with loneliness]]></article-title>
<source><![CDATA[The Journal of Psychology]]></source>
<year>1998</year>
<volume>132</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>107-27</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Solidão em idosos do meio rural do concelho de Bragança]]></source>
<year>2007</year>
<publisher-name><![CDATA[faculdade de Psicologia e Ciências da Educação. Porto, Universidade do Porto]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rokach]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Age, culture, and the antecedents of loneliness]]></article-title>
<source><![CDATA[Soc Behav Pers]]></source>
<year>2005</year>
<volume>33</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>477-94</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Napoleão]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Qualidade subjetiva do sono, sintomas depressivos e sentimentos de solidão em idosos institucionalizados e não institucionalizados]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Superior Miguel Torga]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Solidão e depressão no idoso: estudo do efeito moderador da utilização e atitude face às TIC]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Universidade de Coimbra]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Espirito-Santo]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Daniel]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Optimism and well-being among institutionalized older adults]]></article-title>
<source><![CDATA[GeroPsych]]></source>
<year>2018</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>5-16</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Mindfulness em idosos institucionalizados: validação do Inventário de Mindfulness de Freiburg para a população geriátrica institucionalizada em Portugal]]></source>
<year>2019</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Superior Miguel Torga]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caldas]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Fatores associados às fluências verbais no idoso sob resposta social do distrito de Coimbra]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Superior Miguel Torga]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[A solidão e a depressão nos idosos: estudo numa amostra da população portuguesa]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Superior Miguel Torga]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vicente]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Espirito-Santo]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Cardoso]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudo longitudinal dos fatores associados à evolução de sintomas depressivos em idosos institucionalizados]]></article-title>
<source><![CDATA[J Bras Psiquiatr]]></source>
<year>2014</year>
<volume>63</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>308-16</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Solidão e depressão: perspetiva temporal]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Coimbra ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Superior Miguel Torga]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Investigando a incidência de solidão em um grupo de idosos portugueses]]></article-title>
<source><![CDATA[PsiRev]]></source>
<year>2018</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>13-34</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rokach]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Orzeck]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coping with loneliness in old age a cross-cultural comparison]]></article-title>
<source><![CDATA[Curr Psychol]]></source>
<year>2004</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>124-37</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Galinha]]></surname>
<given-names><![CDATA[IC]]></given-names>
</name>
<name>
<surname><![CDATA[García-Martín]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sing4Health randomised controlled trial of the effects of a singing group program on the subjective and social well-being of older adults]]></article-title>
<source><![CDATA[Appl Psychol Health Well Being]]></source>
<year>2022</year>
<volume>14</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>176-95</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boateng]]></surname>
<given-names><![CDATA[GO]]></given-names>
</name>
<name>
<surname><![CDATA[Neilands]]></surname>
<given-names><![CDATA[TB]]></given-names>
</name>
<name>
<surname><![CDATA[Fringillo]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Melgas-Quiñonez]]></surname>
<given-names><![CDATA[HR]]></given-names>
</name>
<name>
<surname><![CDATA[Young]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Best primer]]></article-title>
<source><![CDATA[Front Public Health]]></source>
<year>2018</year>
<volume>6</volume>
</nlm-citation>
</ref>
<ref id="B49">
<label>49</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Jong-Gierveld]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Van Tilburg]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The De Jong Gierveld short scales for emotional and social loneliness tested on data from 7 countries in the UN generations and gender surveys]]></article-title>
<source><![CDATA[Eur J Ageing]]></source>
<year>2010</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>121-30</page-range></nlm-citation>
</ref>
<ref id="B50">
<label>50</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deol]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Yamashita]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Elliott]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Malmstorm]]></surname>
<given-names><![CDATA[TK]]></given-names>
</name>
<name>
<surname><![CDATA[Morley]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of the alone scale a clinical measure of loneliness]]></article-title>
<source><![CDATA[J Nutr Health Aging]]></source>
<year>2022</year>
<volume>26</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>421-4</page-range></nlm-citation>
</ref>
<ref id="B51">
<label>51</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Polit]]></surname>
<given-names><![CDATA[DF]]></given-names>
</name>
<name>
<surname><![CDATA[Beck]]></surname>
<given-names><![CDATA[CT]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The content validity index are you sure you know what's being reported? critique and recommendations]]></article-title>
<source><![CDATA[Res Nurs Health]]></source>
<year>2006</year>
<volume>29</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>489-97</page-range></nlm-citation>
</ref>
<ref id="B52">
<label>52</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Glen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Concurrent validity definition and examples. StatisticHowTo]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B53">
<label>53</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaparro-Rico]]></surname>
<given-names><![CDATA[BDM]]></given-names>
</name>
<name>
<surname><![CDATA[Cafolla]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Test-retest, inter-rater and intra-rater reliability for spatiotemporal gait parameters using SANE (an eaSy gAit aNalysis systEm) as measuring instrument]]></article-title>
<source><![CDATA[Applied Sciences]]></source>
<year>2020</year>
<volume>10</volume>
<numero>17</numero>
<issue>17</issue>
</nlm-citation>
</ref>
<ref id="B54">
<label>54</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hair]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[WC]]></given-names>
</name>
<name>
<surname><![CDATA[Babin]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
</person-group>
<source><![CDATA[Multivariate data analysis]]></source>
<year>2019</year>
<edition>8th</edition>
<publisher-loc><![CDATA[Andover ]]></publisher-loc>
<publisher-name><![CDATA[Cengage]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B55">
<label>55</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ausín]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Santos]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Castellanos]]></surname>
<given-names><![CDATA[MÁ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Confirmatory factor analysis of the revised UCLA loneliness scale (UCLA LS-R) in individuals over 65]]></article-title>
<source><![CDATA[Aging Ment Health]]></source>
<year>2019</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>345-51</page-range></nlm-citation>
</ref>
<ref id="B56">
<label>56</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaskin]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lambert]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Bowe]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Orellana]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Why sample selection matters in exploratory factor analysis implications for the 12-item world health organization disability assessment schedule 2.0]]></article-title>
<source><![CDATA[BMC Med Res Methodol]]></source>
<year>2017</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>40</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
