The purpose of this study was to test the Theory of planned Behavior in the prediction of contraceptive behavior among married women. This study used a descriptive correlational design to examine the relationships among the study variables. Eighty married women in Seoul and Kyungki-do participated in this study. Research instruments used were the tool for measuring TPB variables search as attitude toward contraception , subjective norm, perceived behavior control, and intention: and the tool for measuring contraceptive behavior . The former was modified by the researcher according to Ajzen and Fishbein(1980)'s guidelines for tool development and Jee(1993)'s tool. The latter was developed by the research. Data was collected from July 20, 1996 to October 25, 1996. The results are as follows: The three factors, attitude, subjective norm and perceived behavioral control of contraception can explain 30% of the variance in contraceptive intention. Inspection of path coefficient for each of the three predictor variables revealed that subjective norm and perceived behavior control were the predictor variables on intention, while attitude was not ; and intention and perceived behavior control factors can explain 42% of the variance in contraceptive behavior. Inspection of path coefficient for each of the two predictor variables revealed that intention and perceived behavior control were the predictor variables on behavior. In conclusion, this study identified that Theory of Planned Behavior was a useful model in the prediction of contraceptive behavior, and the contraceptive service program based on the TPB variables would be an effective nursing intervention for the change in contraceptive behavior.

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