The Association Between Objectively Measured Physical Activity and Subsequent Health Care Utilization in Older Men

The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
L LangsetmoOsteoporotic Fractures in Men (MrOS) Study Group

Abstract

To examine the associations between objective physical activity measures and subsequent health care utilization. We studied 1,283 men (mean age 79.1 years, SD 5.3) participating in the Osteoporotic Fractures in Men Study. Participants wore a SenseWear® Pro Armband monitor for 1 week. Data was summarized as daily (i) step counts, (ii) total energy expenditure, (iii) active energy expenditure, and (iv) activity time (sedentary, ≥ light, ≥ moderate). The outcome measures of 1-year hospitalizations/duration of stay from Medicare data were analyzed with a two-part hurdle model. Covariates included age, clinical center, body mass index, marital status, depressive symptoms, medical conditions, cognitive function, and prior hospitalization. Each 1 SD = 3,092 step increase in daily step count was associated with a 34% (95% confidence interval [CI]: 19%-46%) lower odds of hospitalization in base model (age and center) and 21% (95% CI: 4%-35%) lower odds of hospitalization in fully adjusted models. Similar but smaller associations held for other physical activity measures, but these associations were not significant in fully adjusted models. Among those hospitalized, higher step count was associated with shorter total duration of acute/po...Continue Reading

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Citations

Apr 21, 2019·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Shehzad Basaria
Apr 13, 2021·Canadian Journal on Aging = La Revue Canadienne Du Vieillissement·Jonathan PlanteKenneth Rockwood

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