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KMID : 0895020020050010027
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Chungnam Journal of Nursing Academy
2002 Volume.5 No. 1 p.27 ~ p.36
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A Model for Exercise Behavior in Middle-aged Women
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Lee Mi-Ra
So Hee-Young
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Abstract
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This study was conducted to test the hypothetical model designed to explain exercise behavior of middle-aged women. This hypothetical model was based on behavior-related theories and exercise-related literature. Exogenous variables were exercise habit and perceived subjective norm. Endogenous variables were exercise benefit, exercise barrier, exercise-related affect, exercise self-efficacy, exercise intention, and exercise. A convenience sample of 152 middle-aged women was studied. SAS PC Program and LISREL 8.12a program were used for descriptive statistics and linear structural relationship(LISREL) modeling. The results were as follows. 1)The overall fit of the hypothetical model was acceptable(χ2 34.86(p=0.0015), χ2/df 2.49, RMSEA 0.09, standardized RMR 0.05, GFI 0.95, AGFI 0.85, NFI 0.92, NNFI 0.87, CFI 0.95). 2)The results of statistical testing of hypotheses were as follows. (1)The varibles in this hypothetical model explained 95% of the variance of the exercise behavior. (2)Habit was the most important variable to explain exercise behavior, followed by self-efficacy, barrier, affect and benefit. Subjective norm and intention were not significant predictors of exercise behavior. Habit and self-efficacy had a significant direct effect on exercise behavior. Barrier and intention did not directly influence on exercise behavior. Habit, benefit, barrier and affect had a significant indirect effect on exercise behavior through other variables in this hypothetical model. Norm had no indirect effect on exercise behavior. (3)The direct path between habit and benefit, habit and barrier, habit and self-efficacy, norm and barrier, benefit and affect, barrier and self-efficacy, and affect and self-efficacy were significant. The indirect path between habit and affect, habit and self-efficacy, benefit and self-efficacy, benefit and intention were significant. In conclusion, this study verified that the hypothetical model constructed in this study could be used effectively as a reference for further structural modeling or interventional studies.
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KEYWORD
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Middle-aged women, Exercise behavior
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