Objectives
Evaluate objective isolation and loneliness’ impact on Medicare spending and outcomes.
Methods
We linked Health and Retirement Study data to Medicare claims to analyze objective isolation (scaled composite of social contacts and network) and loneliness (positive response to 3-item loneliness scale) as predictors of subsequent Medicare spending. In multivariable regression adjusting for health and demographics, we determined marginal differences in Medicare expenditures. Secondary outcomes included spending by setting, and mortality.
Results
Objective isolation predicts greater spending, $1,644(p<0.001) per beneficiary annually, whereas loneliness predicts reduced spending, −$768(p<0.001). Increased spending concentrated in inpatient and nursing-home (SNF) care; despite more healthcare, objectively isolated beneficiaries had 31%(p<0.001) greater risk of death. Loneliness did not predict SNF use nor mortality, but predicted slightly less inpatient and outpatient care.
Conclusions
Objectively isolated seniors have higher Medicare spending, driven by increased hospitalization and institutionalization, and face greater mortality. Policies supporting social connectedness could reap significant savings.
Overall, 438 (20.7%) husbands and 382 (18.1%) wives were institutionalized, and 362 (17.1%) husbands and 701 (33.1%) wives lost their spouse. Accounting for measured covariates, the risk of nursing home entry doubled for men following spousal death, but was unchanged for women. Results indicate that adult children reduced wives' risk of nursing home admission regardless of husbands' vital status, but buffered husbands' risk only after the death of their wives. We uncover suggestive evidence of parent-child gender concordance in children's buffering effect of widowed parents' risk of institutionalization. Discussion. Our findings are consistent with gender variations in spousal caregiving and in husbands' and wives' relative reliance on care from a partner and children. This study provides new evidence on the relationship between institutionalization and family structure among married elderly persons.
Cohabitation and marriage have distinct implications for older adults' patterns of partner care receipt. This study adds weight to a growing body of research emphasizing the importance of accounting for older adults' nontraditional union forms and of examining the ramifications of cohabitation for older adults' well-being.
Compared with husbands, disabled wives are disadvantaged in the adjustment of their personal care hours. Although disabled married community residents receive more hours of care than their unmarried counterparts, there are important gender differences in the advantages offered by marriage.
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