Intervention-related cognitive versus social mediators of exercise adherence in the elderly

被引:173
作者
Brassington, GS
Atienza, AA
Perczck, RE
DiLorenzo, TN
King, AC
机构
[1] Stanford Univ, Sch Med, Dept Med, Stanford Ctr Res Dis Prevent, Palo Alto, CA 94304 USA
[2] Stanford Univ, Sch Med, Dept Hlth Res & Policy, Div Epidemiol, Palo Alto, CA 94304 USA
[3] Univ Miami, Sch Med, Ctr Geriatr Res Educ & Clin, Miami, FL USA
[4] Vet Adm, Miami, FL USA
[5] Univ Delaware, Dept Psychol, Newark, DE USA
关键词
aging; behavioral research; exercise; physical fitness;
D O I
10.1016/S0749-3797(02)00477-4
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Context: Participation in regular physical activity is recognized as one of the most important health behaviors associated with the prevention of chronic disease and the promotion of health and well-being among the elderly. Although a number of cross-sectional studies have reported predictors of physical activity participation, few studies have assessed changes in intervention-related mediators associated with physical activity adherence in the elderly. Objective: The purpose of this study was to compare the relative abilities of cognitive mediating variables (i.e., self-efficacy beliefs and outcome expectancies/realizations) versus a social mediating variable (i.e., exercise-related social support) to examine mediators of a telephone-based, exercise-counseling intervention on exercise adherence during months 7 to 12 of an exercise intervention. Method: Participants were 103 community-dwelling, healthy, sedentary, older adults (67 women and 36 men). Self-efficacy for exercise, outcome expectancies/realizations, and social support for exercise were assessed at baseline, 6 months, and 12 months. Participants received telephone-based exercise counseling to promote exercise adherence during the course of two 12-month exercise programs (i.e., aerobic/strength or flexibility exercises). Results: Changes in cognitive mediators (i.e., self-efficacy and fitness outcome realizations) were associated with 7- to 12-month exercise adherence while exercise-related social support was not. Conclusion: Attention should be given to increasing confidence in the elderly to overcome barriers to exercise and achieve relevant fitness outcomes in exercise programs.
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页码:80 / 86
页数:7
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