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Assessing mediators between discrimination, health behaviours and physical health outcomes: a representative cross-sectional study

Luiz Bastos, Joao; Celeste, Roger Keller; Santos Silva, Diego Augusto; Priest, Naomi; Paradies, Yin

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Purpose Discrimination is a social determinant of health; however, the pathways linking discrimination to ill-health are under-researched. This study investigated the mediators through which discrimination affects health behaviours and physical health outcomes, as well as assessed whether sex moderated these mechanisms. Methods Data from a representative survey (n = 1023) of undergraduate students enrolled in a Brazilian university in 2012 were used. Structural equation models were applied to...[Show more]

dc.contributor.authorLuiz Bastos, Joao
dc.contributor.authorCeleste, Roger Keller
dc.contributor.authorSantos Silva, Diego Augusto
dc.contributor.authorPriest, Naomi
dc.contributor.authorParadies, Yin
dc.date.accessioned2016-02-24T22:41:49Z
dc.identifier.issn0933-7954
dc.identifier.urihttp://hdl.handle.net/1885/98822
dc.description.abstractPurpose Discrimination is a social determinant of health; however, the pathways linking discrimination to ill-health are under-researched. This study investigated the mediators through which discrimination affects health behaviours and physical health outcomes, as well as assessed whether sex moderated these mechanisms. Methods Data from a representative survey (n = 1023) of undergraduate students enrolled in a Brazilian university in 2012 were used. Structural equation models were applied to assess the following mediation mechanisms—(1) discrimination influences self-rated health and body mass index via anxiety/depression; (2) discrimination affects behaviours (alcohol consumption, problem drinking, smoking, fruit/vegetable consumption, and physical activity) through discomfort associated with discriminatory experiences. The potential of sex to act as an effect modifying variable was also explored in each of the postulated pathways. Results The effect of discrimination on self-rated poor health was totally (100.0 %) mediated by anxiety/depression, while body mass index was not correlated with discrimination. Self-reported discrimination was associated with some behaviours via discomfort. Particularly, discomfort partially mediated the positive association between discrimination, leisure time physical activity (43.3 %), and fruit/vegetable consumption (52.2 %). Sex modified the association between discrimination, discomfort and physical activity in that such mechanism (more discrimination ? more discomfort ? more physical activity) was statistically significant in the entire sample and among females, but not among males. Conclusions This is one of the first studies to demonstrate that discrimination is associated with physical health outcomes and behaviours via distinct pathways. Future investigations should further explicate the mediational pathways between discrimination and key health outcomes.
dc.publisherDr Dietrich Steinkopff Verlag
dc.sourceSocial Psychiatry and Psychiatric Epidemiology
dc.titleAssessing mediators between discrimination, health behaviours and physical health outcomes: a representative cross-sectional study
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume50
dc.date.issued2015
local.identifier.absfor170100 - PSYCHOLOGY
local.identifier.ariespublicationU3488905xPUB7675
local.type.statusPublished Version
local.contributor.affiliationLuiz Bastos, Joao, Federal Health University of Santa Catarina
local.contributor.affiliationCeleste, Roger Keller, Federal University of Rio Grande do Sul
local.contributor.affiliationSantos Silva, Diego Augusto, Federal University of Santa Catarina
local.contributor.affiliationPriest, Naomi, College of Arts and Social Sciences, ANU
local.contributor.affiliationParadies, Yin, Deakin University
local.description.embargo2037-12-31
local.bibliographicCitation.issue11
local.bibliographicCitation.startpage1731
local.bibliographicCitation.lastpage1742
local.identifier.doi10.1007/s00127-015-1108-0
dc.date.updated2016-02-24T10:15:15Z
local.identifier.scopusID2-s2.0-84945436598
CollectionsANU Research Publications

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