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- Title
Prospective associations of objectively assessed physical activity at different intensities with subjective well-being in older adults.
- Authors
Ku, Po-Wen; Fox, Kenneth; Liao, Yung; Sun, Wen-Jung; Chen, Li-Jung; Fox, Kenneth R
- Abstract
<bold>Purpose: </bold>This study aimed to examine the longitudinal independent associations of objectively assessed physical activity at different intensities, including moderate-to-vigorous physical activity, light physical activity, and sedentary behaviors, with dimensions of subjective well-being in older adults.<bold>Methods: </bold>A total of 307 community-dwelling older adults aged 65 or older in Taiwan were interviewed in 2012. Physical activity was assessed using triaxial accelerometry. Subjective well-being was measured using the Chinese Aging Well Profile. Among them, 295 attended an 18-month follow-up study in 2013. Hierarchical linear regression models with adjustment for socio-demographic variables, lifestyle behaviors, health status, accelerometer wear time, and state of well-being at baseline were performed.<bold>Results: </bold>The hierarchical regression models (step one) demonstrated that moderate-to-vigorous physical activity was associated with higher levels of follow-up general and specific dimensions of well-being (β = 0.19-0.24) with the exception of material and environmental well-being. After light physical activity was further included in the models (step two), the associations of moderate-to-vigorous physical activity with general, physical, and independence well-being remained, while the contribution of light physical activity was not significant. In contrast, light physical activity was a significant predictor of psychological, learning and growth, and social well-being in these models (β = 0.20-0.24), while these associations with moderate-to-vigorous physical activity were attenuated or not significant. Sedentary time was not related to any dimension of well-being.<bold>Discussion: </bold>The findings indicate that moderate-to-vigorous physical activity and light physical activity are associated with different dimensions of well-being, suggesting that different intensities of late-life physical activity make distinct contributions to well-being.
- Subjects
PHYSICAL activity; ACCELEROMETRY; REGRESSION analysis; QUALITY of life; CYTOKINES; EXERCISE &; psychology; MENTAL health; AGING; HEALTH status indicators; LONGITUDINAL method; QUESTIONNAIRES; SEDENTARY lifestyles
- Publication
Quality of Life Research, 2016, Vol 25, Issue 11, p2909
- ISSN
0962-9343
- Publication type
journal article
- DOI
10.1007/s11136-016-1309-3