A Structural Model of Health Behavior Compliance in Patients with Percutaneous Coronary Intervention based on Self-Determination Theory

자기결정성이론 기반 관상동맥중재술 환자의 건강행위 이행 구조모형

  • Received : 2018.10.16
  • Accepted : 2018.11.10
  • Published : 2018.11.30


Purpose: The purpose of this study was to construct and test a structural equation model of health behavior compliance among patients with percutaneous coronary intervention based on self-determination theory. Methods: A total of 227 participants who received follow-up care after percutaneous coronary intervention were recruited. A structured questionnaire was used to assess health providers' autonomous support, basic psychological needs, autonomous motivation, controlled motivation, type D personality, and health behavior compliance. Collected data were analyzed using SPSS 21.0 and AMOS 21.0 program. Results: The final hypothetical model showed a good fitness with data: GFI=.94, RMSEA=.07, CFI=.96, NFI=.92, TLI=.94. The results revealed that autonomous support of health care providers, basic psychological needs, and autonomous motivation, and D-type personality accounted for 51.8% of health behavior compliance. Conclusion: The findings of this study indicate that enhanced autonomous support of health care providers is essential to promote patients' basic psychological needs and autonomous motivation. This leads to maximized compliance to the health behaviors among patients who underwent percutaneous coronary intervention. We recommend that health care institutions establish various measures to foster the special environments in which health care providers can actively provide and utilize autonomous support for their patients.

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Figure 1. The conceptual framework of the study

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Figure 2. Path diagram for the hypothetical model

Table 1. Descriptive Statistics of Predictor Variables

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Table 2. Estimates and Effects of Predictor Variables in the Model

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