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Percentage of adults aged 60 and over with difficulty rising from a chair, by muscle strength, United States, 2011-2012

(1) Significantly different from those in the normal strength category, p < 0.05. (2) Significantly different from those in the intermediate strength category, p < 0.05. (3) p < 0.05 for linear trend. (Source: Looker AC, Wang CY. Prevalence of reduced muscle strength in older U.S. adults: United States, 2011-2012. NCHS Data Brief. 2015;[179]:1-8. Data from the U.S. National Health and Nutrition Examination Survey, 2011-2012. National Center for Health Statistics. Public domain.)

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