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  • Author: Koren L. Fisher x
  • Sport and Exercise Science/Kinesiology x
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Koren L. Fisher, Elizabeth L. Harrison, Brenda G. Bruner, Joshua A. Lawson, Bruce A. Reeder, Nigel L. Ashworth, M. Suzanne Sheppard and Karen E. Chad

The purpose of this study was to explore cross-sectional relationships between self-reported physical activity (PA) and personal, social, and environmental factors in community-dwelling adults aged 50 years and older. Accounting for clustering by neighborhood, generalized estimating equations were used to examine associations between selected correlates and the Physical Activity Scale for the Elderly (PASE) score while adjusting for confounders. Data for 601 participants were analyzed: 79% female, 37% married, mean age 76.8 (± 8.7) years, mean PASE score 112.6 (± 64.8). Age, living in seniors’ housing, using nursing/home care services, receiving encouragement to be active, and having benches available in the neighborhood were inversely associated with PASE. Self-efficacy, SF-12 score, PA barriers, social support, and the presence of trails showed positive associations. Several personal, social, and environmental factors associated with PA were identified. The inverse association between PA and living in seniors’ housing units should be considered when developing PA programs for older adults.

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Koren L. Fisher, Bruce A. Reeder, Elizabeth L. Harrison, Brenda G. Bruner, Nigel L. Ashworth, Punam Pahwa, Nazmi Sari, M. Suzanne Sheppard, Christopher A. Shields and Karen E. Chad

Objective : To assess the maintenance of physical activity (PA) and health gains among participants in a class-based (CB) or home-based (HB) PA intervention over a 12-month study period. Methods : A total of 172 adults aged 50 years and older were randomly allocated to either a CB or an HB intervention, each involving an intensive 3-month phase with a 9-month follow-up period. Measures at baseline, 3, 6, and 12 months included self-reported PA and health, body mass index, waist circumference (WC), blood pressure, cardiovascular endurance (6-min walk test), physical function, and functional fitness (senior fitness test). Outcomes were analyzed using generalized estimating equations. Results : Maximum improvement was typically observed at 3 or 6 months followed by a modest diminution, with no differences between groups. For body mass index, waist circumference, 6-min walk test, and senior fitness test, there was progressive improvement through the study period. Greater improvement was seen in the CB group compared with the HB group on three items on the senior fitness test (lower body strength and endurance [29% vs. 21%, p < .01], lower body flexibility [2.8 cm vs. 0.4 cm, p < .05], and dynamic agility [14% vs. 7%, p < .05]). Conclusion : The interventions were largely comparable; thus, availability, preferences, and cost may better guide program choice.

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Bruce A. Reeder, Karen E. Chad, Elizabeth L. Harrison, Nigel L. Ashworth, M. Suzanne Sheppard, Koren L. Fisher, Brenda G. Bruner, Brian G. Quinn, Punam Pahwa and M. Alomgir Hossain


The study aimed to compare the effectiveness of a class-based (CB) and home-based (HB) exercise program for older adults with chronic health conditions.


172 sedentary older adults with overweight or obesity, type 2 diabetes, hypertension, dyslipidemia, or osteoarthritis were enrolled in a randomized controlled trial with a 3-month follow-up.


A significant increase was seen in the CB group in the Physical Activity Scale for the Elderly (PASE) scores and SF-12 Physical and Mental Health scores. In both groups, significant increases were seen in 6-minute walk distance, Physical Performance Test (PPT), and Functional Fitness Test (FFT), and significant reductions were seen in systolic and diastolic blood pressure but not body mass index or waist circumference. Except for a greater increment in the FFT in the CB group, the degree of improvement was not significantly different between the 2 groups.


After a 3-month intervention, both the CB and HB program produced comparable significant improvements in outcome measures.