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Contribution of health behaviours and clinical factors to socioeconomic differences in frailty among older adults.

Abstract：

BACKGROUND:To examine the association between socioeconomic status (SES) and risk of frailty, and to assess whether behavioural and clinical factors (BCF) mediate this association. METHODS:Cohort of 1857 non-institutionalised individuals aged ≥ 60 years recruited in 2008-2010 and followed through 2012. Education, occupation, and BCF were ascertained at baseline, and incident frailty was assessed at follow-up with the Fried frailty criteria. RESULTS:Men showed no differences in frailty risk by education or occupation. Compared with women with university education, the adjusted OR (aOR) adjusted for age and the number of frailty criteria at baseline for incident frailty in women with primary or lower education was 3.02 (95% CI 1.25 to 7.30); once fully adjusted for BCF, the OR was 2.00 (95% CI 0.76 to 5.23). No alcohol intake (vs light-moderate), longer time spent watching TV, less time spent reading, and a higher frequency of obesity, depression and musculoskeletal disease in those with primary or lower education accounted for most of the decline in OR. BCF explained 50.5% of the excess frailty risk associated with lower education. The aOR of frailty incidence for manual versus non-manual occupation was 2.24 (95% CI 1.41 to 3.56) versus a fully aOR of 2.05 (95% CI 1.24 to 3.37). BCF explained 15.3% of the association, with individual mediators being similar to those for education-related differences. CONCLUSIONS:A lower education or a manual occupation was associated with higher frailty risk in older women. These associations were partly explained by lower alcohol consumption, higher sedentariness, and higher obesity and chronic disease rates in women with lower SES.

journal_name

J Epidemiol Community Health

journal_title

Journal of epidemiology and community health

authors

Soler-Vila H,García-Esquinas E,León-Muñoz LM,López-García E,Banegas JR,Rodríguez-Artalejo F

doi

10.1136/jech-2015-206406

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

354-60

issue

eissn

0143-005X

issn

1470-2738

pii

jech-2015-206406

journal_volume

pub_type

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Contribution of health behaviours and clinical factors to socioeconomic differences in frailty among older adults.