Lianlian Lei1, Edward C Norton2, Julie Strominger3, Donovan T Maust4,3,5. 1. Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA. leilian@med.umich.edu. 2. Department of Health Management and Policy, Department of Economics, University of Michigan, Ann Arbor, MI, USA. 3. Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA. 4. Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA. 5. Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor, MI, USA.
Abstract
BACKGROUND: Spousal death is associated with elevated mortality in the surviving partner; less is known about how healthcare costs and use change following spousal death. OBJECTIVES: To examine the causal impact of spousal death on Medicare costs and use over time. DESIGN: Longitudinal cohort study with an event study design. SETTING: National Health and Aging Trends Study (NHATS) with linked Medicare claims. PARTICIPANTS: Respondents from 2011-2017 who reported spousal death the prior year, limited to those with traditional Medicare (n=491 with 9,766 respondent-quarters). MAIN MEASURES: Total Medicare costs; binary indicators for acute hospitalization; emergency department; sub-acute care (including skilled nursing, rehabilitation, and long-term care); and number of outpatient management visits on a quarterly basis 3 years before and after spousal death. KEY RESULTS: During the first year post-death, quarterly Medicare costs for the surviving spouse were $1,092 higher than pre-death; probability of hospitalization, emergency department, and sub-acute care were 3.3%, 2.8%, and 2.2% higher, respectively; and there were 0.3 more outpatient visits (p<.01 for all). Several outcomes continued to be elevated during the second year, including costs ($1,174 higher per quarter), hospitalization (3.2% higher), and sub-acute care (2.9% higher; p<.01 for all). By the third year, costs returned to pre-death level but hospitalization and sub-acute care (2.9% and 3.1% higher per quarter; p<.05 for both) remained elevated. Cost increases in the first and second years post-death were larger if the deceased spouse was a caregiver ($1,588 and $1,853 per quarter) or female (i.e., among bereaved males; $1,457 and $1,632 per quarter; p<.05 for all). CONCLUSIONS: Spousal death increased total Medicare costs and use of all healthcare categories among the surviving partner; elevations in hospitalization and sub-acute care persisted through the third year. Clinicians and payors may want to target surviving partners as a high-risk population.
BACKGROUND: Spousal death is associated with elevated mortality in the surviving partner; less is known about how healthcare costs and use change following spousal death. OBJECTIVES: To examine the causal impact of spousal death on Medicare costs and use over time. DESIGN: Longitudinal cohort study with an event study design. SETTING: National Health and Aging Trends Study (NHATS) with linked Medicare claims. PARTICIPANTS: Respondents from 2011-2017 who reported spousal death the prior year, limited to those with traditional Medicare (n=491 with 9,766 respondent-quarters). MAIN MEASURES: Total Medicare costs; binary indicators for acute hospitalization; emergency department; sub-acute care (including skilled nursing, rehabilitation, and long-term care); and number of outpatient management visits on a quarterly basis 3 years before and after spousal death. KEY RESULTS: During the first year post-death, quarterly Medicare costs for the surviving spouse were $1,092 higher than pre-death; probability of hospitalization, emergency department, and sub-acute care were 3.3%, 2.8%, and 2.2% higher, respectively; and there were 0.3 more outpatient visits (p<.01 for all). Several outcomes continued to be elevated during the second year, including costs ($1,174 higher per quarter), hospitalization (3.2% higher), and sub-acute care (2.9% higher; p<.01 for all). By the third year, costs returned to pre-death level but hospitalization and sub-acute care (2.9% and 3.1% higher per quarter; p<.05 for both) remained elevated. Cost increases in the first and second years post-death were larger if the deceased spouse was a caregiver ($1,588 and $1,853 per quarter) or female (i.e., among bereaved males; $1,457 and $1,632 per quarter; p<.05 for all). CONCLUSIONS: Spousal death increased total Medicare costs and use of all healthcare categories among the surviving partner; elevations in hospitalization and sub-acute care persisted through the third year. Clinicians and payors may want to target surviving partners as a high-risk population.
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