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Effects of a DVD-Delivered Exercise Intervention on Maintenance of Physical Activity in Older Adults

in Journal of Physical Activity and Health
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Background:

Previous research supports the efficacy of a 6-month DVD-delivered program for enhancing physical activity (PA) in older adults. In the current study, we examined the degree to which intervention-related increases in PA were maintained after a 6-month, no-contact follow-up.

Methods:

Follow-up assessments of PA via accelerometry and the Godin Leisure-Time Exercise Questionnaire (GLTEQ) were collected in a sample of older adults (N = 238). Repeated measures analyses of variance were conducted to examine changes in PA over the course of the follow-up period.

Results:

For accelerometer measured PA, there was a significant time × treatment × age group interaction, F1,203 =11.319, P = .001, η2 = .053, such that younger (≤70 years) intervention participants maintained high levels of PA across the follow-up period, while PA in older intervention and young control participants declined significantly. Rates of PA in older control participants remained low over the course of the follow-up period. Analyses of GLTEQ scores revealed similar, though less significant patterns.

Conclusions:

DVD-based exercise programs may be effective for maintaining PA in younger members of the older adult population; however, there remains a need to develop better strategies for promoting PA maintenance in older individuals when using home-based designs.

Fanning, Awick, Roberts, Ehlers, Motl, and McAuley are with the Dept of Kinesiology and Community Health, University of Illinois at Urbana–Champaign. Wójcicki is with the Lansing School of Nursing and Health Sciences, Bellarmine University, Louisville, KY. Gothe is with the College of Education, Wayne State University, Detroit, MI.

(fanning4@illinois.edu)