Validation of Food Consumption Tool and Application for Nutrition Education of Post-Operative Heart Patients in Cardiac Rehabilitation Clinic, Maharaj Nakhon Si Thammarat Hospital


  • Patthamawadee Tongkaew 0918470979
  • Nurlaila Mataning
  • Potjana Phatsuk


Food consumption, Assessment form, Cardiac surgery, Confidence, Behavior change


The evaluation of food consumption behaviour is an important step for nutrition therapy of post-operative heart patients of Cardiac Rehabilitation Clinic, Maharaj Nakhon Si Thammarat Hospital. However, valid research instruments are unavailable. This research aims to develop the behavioural and confidence assessment form before applying it for post-operative heart surgery patients. The content validity was validated by 5 experts, while, the reliability and power of discrimination were examined by cardiovascular patients of both open (n = 15) and closed (n = 15) heart surgery services. In addition, the completed form was applied for evaluation in 30 patients of the Cardiac Rehabilitation Clinic. The completed form was composed of 3 parts; personnel information, food consumption behaviour (15 items) and self-efficacy (15 items). The quality of food consumption behaviour form of part 2 was similar to part 3. There were more than 0.5 for content validity, 0.8 for reliability and more than 0.2 for discrimination in all questions. In summary, post-operative heart surgery patients had more confidence in changing dietary behaviour after evaluating.


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Tongkaew, P., Mataning น., & Phatsuk พ. (2022). Validation of Food Consumption Tool and Application for Nutrition Education of Post-Operative Heart Patients in Cardiac Rehabilitation Clinic, Maharaj Nakhon Si Thammarat Hospital. Princess of Naradhiwas University Journal, 14(2), 113–127. Retrieved from