Victoria Hornyak1, Jennifer S Brach2, David M Wert2, Elizabeth Hile2, Stephanie Studenski3, Jessie M VanSwearingen2. 1. Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA. Electronic address: vhornyak@pitt.edu. 2. Department of Physical Therapy, University of Pittsburgh, Pittsburgh, PA. 3. Department of Medicine, Division of Geriatrics, University of Pittsburgh, Pittsburgh, PA.
Abstract
OBJECTIVE: To describe the association between fear of falling (FOF) and total daily activity in older adults. DESIGN: Cross-sectional observational study. SETTING: Ambulatory clinical research training center. PARTICIPANTS: Community-dwelling older adults aged ≥64 years (N=78), who were independent in ambulation with or without an assistive device. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: FOF was defined by self-reported fear ratings using the Survey of Activities and Fear of Falling in the Elderly and self-reported fear status determined by response to the following question: Are you afraid of falling? Physical function was assessed using the Late Life Function and Disability Instrument. Physical activity was recorded using an accelerometer worn on the waist for 7 consecutive days, and mean daily counts of activity per minute were averaged over the 7-day period. RESULTS: Fear ratings were related to total daily activity (r=-.26, P=.02). The relation was not as strong as the relation of function and physical activity (r=.45, P<.001). When stratified by exercise status or functional status, fear was no longer related to total daily activity. Physical function explained 19% of the variance in physical activity, whereas the addition of fear status did not add to the explained variance in physical activity. CONCLUSIONS: FOF is related to total daily physical activity; however, FOF was not independently associated with physical activity when accounting for physical function. Some FOF may be reported as a limitation in function.
OBJECTIVE: To describe the association between fear of falling (FOF) and total daily activity in older adults. DESIGN: Cross-sectional observational study. SETTING: Ambulatory clinical research training center. PARTICIPANTS: Community-dwelling older adults aged ≥64 years (N=78), who were independent in ambulation with or without an assistive device. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: FOF was defined by self-reported fear ratings using the Survey of Activities and Fear of Falling in the Elderly and self-reported fear status determined by response to the following question: Are you afraid of falling? Physical function was assessed using the Late Life Function and Disability Instrument. Physical activity was recorded using an accelerometer worn on the waist for 7 consecutive days, and mean daily counts of activity per minute were averaged over the 7-day period. RESULTS: Fear ratings were related to total daily activity (r=-.26, P=.02). The relation was not as strong as the relation of function and physical activity (r=.45, P<.001). When stratified by exercise status or functional status, fear was no longer related to total daily activity. Physical function explained 19% of the variance in physical activity, whereas the addition of fear status did not add to the explained variance in physical activity. CONCLUSIONS: FOF is related to total daily physical activity; however, FOF was not independently associated with physical activity when accounting for physical function. Some FOF may be reported as a limitation in function.
Keywords:
FOF; Fear; LLFDI; Late Life Function and Disability Instrument; Motor activity; PA; Rehabilitation; SAFFE; Survey of Activities and Fear of Falling in the Elderly; fear of falling; physical activity
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