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Objective Indicators of Physical Activity and Sedentary Time and Associations with Subjective Well-Being in Adults Aged 70 and Over
Department for Health, University of Bath, Claverton Down, Bath BA2 7AY, UK
Centre for Exercise, Nutrition and Health Sciences, School for Policy Studies, University of Bristol, Bristol BS8 1TZ, UK
School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
* Author to whom correspondence should be addressed.
Received: 15 October 2013; in revised form: 18 December 2013 / Accepted: 23 December 2013 / Published: 2 January 2014
Abstract: This study explored the associations of the volume and intensity of physical activity and the volume of sedentary time with subjective well-being in a diverse group of 228 older adults in the UK (111 female, mean age 78.2 years (SD 5.8)). Physical activity (PA) and sedentary behaviour were assessed by accelerometry deriving mean steps per day, mean moderate/vigorous PA minutes per hour (MVPA min·h−1) and minutes of sedentary time per hour (ST min·h−1). Lower limb function was assessed by the Short Physical Performance Battery. Subjective well-being was assessed using the SF-12 health status scale, the Ageing Well Profile and the Satisfaction with Life Scale. Linear regressions were used to investigate associations between the independent variables which included physical activity (steps and MVPA), sedentary time, participant characteristics (gender, age, BMI, education, number of medical conditions), and lower limb function and dependent variables which included mental and physical well-being. Steps, MVPA and lower limb function were independently and moderately positively associated with perceived physical well-being but relationships with mental well-being variables were weak. No significant associations between sedentary behaviours and well-being were observed. The association between objectively evaluated physical activity and function and subjective evaluations of physical well-being suggest that improving perceptions of physical health and function may provide an important target for physical activity programmes. This in turn may drive further activity participation.
Keywords: well-being; physical activity; sedentary time; lower limb function; accelerometer; life satisfaction
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Withall, J.; Stathi, A.; Davis, M.; Coulson, J.; Thompson, J.L.; Fox, K.R. Objective Indicators of Physical Activity and Sedentary Time and Associations with Subjective Well-Being in Adults Aged 70 and Over. Int. J. Environ. Res. Public Health 2014, 11, 643-656.
Withall J, Stathi A, Davis M, Coulson J, Thompson JL, Fox KR. Objective Indicators of Physical Activity and Sedentary Time and Associations with Subjective Well-Being in Adults Aged 70 and Over. International Journal of Environmental Research and Public Health. 2014; 11(1):643-656.
Withall, Janet; Stathi, Afroditi; Davis, Mark; Coulson, Jo; Thompson, Janice L.; Fox, Kenneth R. 2014. "Objective Indicators of Physical Activity and Sedentary Time and Associations with Subjective Well-Being in Adults Aged 70 and Over." Int. J. Environ. Res. Public Health 11, no. 1: 643-656.