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Evidence of Bidirectional Associations Between Depressive Symptoms and Body Mass Among Older Adults.

ABSTRACT: OBJECTIVES:Body fat, measured with body mass index (BMI), and obesity are associated with depressive symptoms. Among younger adults there is stronger evidence of obesity leading to depressive symptoms than of depressive symptoms leading to obesity, but the temporal relationship is unknown among older adults. This study utilized dual-change-score models (DCSMs) to determine the directional relationship between body mass and depressive symptoms among older adults. METHOD:Participants (n = 1,743) from the Swedish Twin Registry (baseline age range 50-96 years) completed at least one assessment of BMI (nurse measurement of height and weight) and the Center for Epidemiologic Studies-Depression scale (CESD). More than half the sample completed 3 or more assessments, scheduled at intervals of 2-4 years. DCSMs modeled the relationship of BMI and CESD across age, both independently and as part of bivariate relationships. RESULTS:Depressive symptoms contributed to subsequent changes in BMI after age 70, while BMI contributed to subsequent changes in depressive symptoms after age 82. Thus, there is a reciprocal relationship that may change with age. The effect was more pronounced for women. DISCUSSION:The association of BMI and depressive symptoms is bidirectional among older adults, and it appears to be affected by both age and sex.

SUBMITTER: Emery CF

PROVIDER: S-EPMC7489100 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Evidence of Bidirectional Associations Between Depressive Symptoms and Body Mass Among Older Adults.

Emery Charles F CF Finkel Deborah D Gatz Margaret M Dahl Aslan Anna K AK

The journals of gerontology. Series B, Psychological sciences and social sciences 20200901 8

<h4>Objectives</h4>Body fat, measured with body mass index (BMI), and obesity are associated with depressive symptoms. Among younger adults there is stronger evidence of obesity leading to depressive symptoms than of depressive symptoms leading to obesity, but the temporal relationship is unknown among older adults. This study utilized dual-change-score models (DCSMs) to determine the directional relationship between body mass and depressive symptoms among older adults.<h4>Method</h4>Participant ...[more]

PMID: 30843043

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Project description:ObjectiveFrailty and depression, as two common conditions among older adults in China, have been shown to be closely related to each other. The aim of this study was to investigate the bidirectional effects between frailty and depressive symptoms in Chinese population.MethodsThe bidirectional effect of frailty with depressive symptoms was analyzed among 5,303 adults ≥ 60 years of age from the China Health and Retirement Longitudinal Study (CHARLS). Phenotype and a frailty index were used to measure frailty. Depressive symptoms were evaluated using the Epidemiological Studies Depression Scale (CES-D). Logistic regression and Cox proportional hazard regression models were used to determine the bidirectional effects of frailty and depressive symptoms in cross-sectional and cohort studies, respectively. Subgroup and sensitivity analyses were further used to further verify the associations.ResultsIn the cross-sectional study, the multivariate-adjusted ORs (95% CIs) for depressive symptoms among pre-frail and frail adults, as defined by the frailty index and phenotype, were 3.05 (2.68-3.49), and 9.78 (8.02-12.03), respectively. Depressed participants showed higher risks of pre-frailty and frailty [frailty index, 3.07 (2.69-3.50); and phenotypic frailty, 9.95 (8.15-12.24)]. During follow-up, the multivariate-adjusted HRs (95% CIs) for depressive symptoms among pre-frail and frail participants, as defined by the frailty index and phenotype, were 1.38 (1.22-1.57), and 1.30 (1.14-1.48), respectively. No significant relationship existed between baseline depressive symptoms and the incidence of frailty. Moreover, the results from subgroup and sensitivity analyses were consistent with the main results.ConclusionAlthough a cross-sectional bidirectional association between depressive symptom and frailty has been observed in older (≥60 years old) Chinese adults, frailty may be an independent predictor for subsequent depression. Moreover, no effect of depressive symptoms on subsequent frailty was detected. Additional bidirectional studies are warranted in China.

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Evidence of Bidirectional Associations Between Depressive Symptoms and Body Mass Among Older Adults.

Publications

Evidence of Bidirectional Associations Between Depressive Symptoms and Body Mass Among Older Adults.

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