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. 2021 Aug;69(8):2262-2272.
doi: 10.1111/jgs.17187. Epub 2021 May 7.

Life-space mobility and healthcare costs and utilization in older men

Kerry M Sheets  1   2   3 , Allyson M Kats  4 , Lisa Langsetmo  4 , Dawn Mackey  5 , Howard A Fink  2   3   4   6 , Susan J Diem  2   3   4 , Wei Duan-Porter  2   3 , Peggy M Cawthon  7 , John T Schousboe  8   9 , Kristine E Ensrud  2   3   4
Affiliations

Life-space mobility and healthcare costs and utilization in older men

Kerry M Sheets et al. J Am Geriatr Soc. 2021 Aug.

Abstract

Objectives: To determine the association of life-space score with subsequent healthcare costs and utilization.

Design: Prospective cohort study (Osteoporotic Fracture in Men [MrOS]).

Setting: Six U.S. sites.

Participants: A total of 1555 community-dwelling men (mean age 79.3 years; 91.5% white, non-Hispanic) participating in the MrOS Year 7 (Y7) examination linked with their Medicare claims data.

Measurements: Life-space during the past month was assessed as 0 (daily restriction to one's bedroom) to 120 (daily trips outside one's town without assistance) and categorized (0-40, 41-60, 61-80, 81-100, 101-120). Total annualized direct healthcare costs and utilization were ascertained during 36 months after the Y7 examination.

Results: Mean total annualized costs (2020 U.S. dollars) steadily increased across category of life-space score, from $7954 (standard deviation [SD] 16,576) among men with life-space scores of 101-120 to $26,430 (SD 28,433) among men with life-space scores of 0-40 (p < 0.001). After adjustment for demographics, men with a life-space score of 0-40 versus men with a life-space score of 101-120 had greater mean total costs (cost ratio [CR] = 2.52; 95% confidence interval [CI] = 1.84-3.45) and greater risk of subsequent hospitalization (odds ratio [OR] 4.72, 95% CI 2.61-8.53) and skilled nursing facility (SNF) stay (OR 7.32, 95% CI 3.65-14.66). Life-space score was no longer significantly associated with total healthcare costs (CR for 0-40 vs 101-120 1.29; 95% CI 0.91-1.84) and hospitalization (OR 1.76, 95% CI 0.89-3.51) after simultaneous consideration of demographics, medical factors, self-reported health and function, and the frailty phenotype; the association of life-space with SNF stay remained significant (OR 2.86, 95% CI 1.26-6.49).

Conclusion: Our results highlight the importance of function and mobility in predicting future healthcare costs and suggest the simple and convenient life-space score may in part capture risks from major geriatric domains and improve identification of older, community-dwelling men likely to require costly care.

Keywords: healthcare costs; healthcare utilization; mobility.

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Conflict of interest statement

Conflict of Interest: The remaining authors have declared no conflicts of interest for this article.

Figures

Figure 1.
Figure 1.
Distribution of Total Healthcare Cost Percentiles According to Life-Space Score
See this image and copyright information in PMC

References

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