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Disability was assessed by reporting the need for assistance in Activities of Daily Living (ADLs) and Instrumental Activities of Daily Living (IADLs). Bivariate and multiple analyses were performed using R statistical software.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Food insufficiency in the first years of life had negative repercussions on the disability of oldest old people living in the northeast. On the other hand, in this region, older people have a higher rate of support and live longer with their peers, which may contribute to reducing feelings of loneliness, depressive symptoms, and worse self-perception of health. In the Southeast, financial constraints, subjective poverty, and unmet needs may favour the development of functional limitations between long-lived people.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Our findings indicate that regional differences in Brazil may influence the disability of older people aged 80 and older. In northeast Brazil, having no partner may contribute to disability for ADLs and IADLs; while, in the longevous population of S\u00e3o Paulo, having a worse self-rated health may contribute to disability for IADLs.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12877-022-02810-4","type":"journal-article","created":{"date-parts":[[2022,2,9]],"date-time":"2022-02-09T07:03:11Z","timestamp":1644390191000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Psychosocial aspects and support networks associated with disability in two longevous populations in Brazil: a cross-sectional study"],"prefix":"10.1186","volume":"22","author":[{"given":"J\u00falia Cristina Leite","family":"N\u00f3brega","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juliana Barbosa","family":"Medeiros","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javanna Lacerda Gomes","family":"da Silva Freitas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ja\u00edza M. 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