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Long-term effects of wealth on mortality and self-rated health status.

ABSTRACT: Epidemiologic studies seldom include wealth as a component of socioeconomic status. The authors investigated the associations between wealth and 2 broad outcome measures: mortality and self-rated general health status. Data from the longitudinal Panel Study of Income Dynamics, collected in a US population between 1984 and 2005, were used to fit marginal structural models and to estimate relative and absolute measures of effect. Wealth was specified as a 6-category variable: those with ≤0 wealth and quintiles of positive wealth. There were a 16%-44% higher risk and 6-18 excess cases of poor/fair health (per 1,000 persons) among the less wealthy relative to the wealthiest quintile. Less wealthy men, women, and whites had higher risk of poor/fair health relative to their wealthy counterparts. The overall wealth-mortality association revealed a 62% increased risk and 4 excess deaths (per 1,000 persons) among the least wealthy. Less wealthy women had between a 24% and a 90% higher risk of death, and the least wealthy men had 6 excess deaths compared with the wealthiest quintile. Overall, there was a strong inverse association between wealth and poor health status and between wealth and mortality.

SUBMITTER: Hajat A

PROVIDER: S-EPMC3139960 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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Long-term effects of wealth on mortality and self-rated health status.

Hajat Anjum A Kaufman Jay S JS Rose Kathryn M KM Siddiqi Arjumand A Thomas James C JC

American journal of epidemiology 20101108 2

Epidemiologic studies seldom include wealth as a component of socioeconomic status. The authors investigated the associations between wealth and 2 broad outcome measures: mortality and self-rated general health status. Data from the longitudinal Panel Study of Income Dynamics, collected in a US population between 1984 and 2005, were used to fit marginal structural models and to estimate relative and absolute measures of effect. Wealth was specified as a 6-category variable: those with ≤0 wealth ...[more]

PMID: 21059808

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Project description:ImportanceThe association of socioeconomic status and cardiovascular outcomes has been well described, but little is known about whether longitudinal changes in wealth are associated with cardiovascular health status.ObjectiveTo evaluate the association between midlife wealth mobility and risk of cardiovascular events.Design, setting, and participantsThis longitudinal, retrospective cohort study included US adults 50 years or older who participated in the Health and Retirement Study. Participants in the primary analysis had no history of cardiovascular disease and had observations in at least two of three 5-year age intervals (50-54, 55-59, and 60-64 years) and follow-up after 65 years of age. Data were collected from January 1, 1992, to December 31, 2016, and analyzed from November 10, 2020, to April 26, 2021.ExposuresQuintiles of wealth (reflecting total nonhousing assets) were defined within each of 4 birth cohorts (1931-1935, 1936-1940, 1941-1945, and 1946-1950). Wealth mobility was defined as an increase or a decrease of 1 or more wealth quintiles and was compared with wealth stability (same quintile over time) using covariate-adjusted Cox proportional hazards regression models.Main outcomes and measuresComposite outcome of nonfatal cardiovascular event (myocardial infarction, heart failure, cardiac arrhythmia, or stroke) or cardiovascular death.ResultsA total of 5579 participants were included in the primary analysis (mean [SD] age, 54.2 [2.6] years; 3078 women [55.2%]). During a mean (SD) follow-up of 16.9 (5.8) years, 1336 participants (24.0%) experienced a primary end point of nonfatal cardiovascular event or cardiovascular death (14.4 [95% CI, 13.6-15.2] per 1000 patient-years). Higher initial wealth (per quintile) was associated with lower cardiovascular risk (adjusted hazard ratio [aHR] per quintile, 0.89 [95% CI, 0.84-0.95]; P = .001). When compared with stable wealth, participants who experienced upward wealth mobility (by at least 1 quintile) had independently lower hazards of a subsequent nonfatal cardiovascular event or cardiovascular death (aHR, 0.84 [95% CI, 0.73-0.97]; P = .02), and participants who experienced downward wealth mobility had higher risks (aHR, 1.15 [95% CI, 1.00-1.32]; P = .046).Conclusions and relevanceThese findings suggest that upward wealth mobility relative to peers in late middle age is associated with lower risks of cardiovascular events or death after 65 years of age.

Dataset Information

Long-term effects of wealth on mortality and self-rated health status.

Publications

Long-term effects of wealth on mortality and self-rated health status.

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