Effectiveness of the Dietary Behavior Change Program after Applying the Transtheotertical Model Among Risk Group of Diabetes Mellitus type 2


  • Napalai Mangkala
  • Nithra Kitreerawutiwong


Dietary consumption behavior, Transtheoretical Model, Risk group of DM


This quasi experimental research aimed to examine the effectiveness of dietary consumption modification behavior program after applying Transtheoretical Model towards dietary decision, self efficacy in dietary consumption, and dietary consumption behavior among risk group of Diabetes Mellitus type 2 (T2DM). The samples of 60 cases whom screened with the guideline of Department of Disease Control, Ministry of Public Health, Thailand, were divided into two groups, experimental (n = 30) and control group (n = 30). The experimental group participated in the program for 6 weeks while the control group received routine caring. The program consisted of dietary for risk group manual, video, modification of dietary consumption behavior record form. Data were collected through 5 questionnaires: 1) demographic data questionnaire, 2) decisional balance questionnaire, 3) self efficacy questionnaire, 4) dietary consumption behavior questionnaire, and 5) stage of change readiness assessment. Content validity was tested, obtained content validity index (CVI) was 1.00 and the Cronbach’s alpha coefficient of the questionnaires part 2-4 were 0.73, 0.79, and 0.74 respectively. Data were analyzed through descriptive statistics and inferential statistics which were paired t test and independent t test. The results showed that the experimental group had a non difference in the mean score of decisional balance, self efficacy, and dietary consumption behavior when compare with the control group (p = 0.137, 0.564, and 0.238 respectively). Apart from this, after the intervention, the experiment group had a significance higher in the mean score of decisional balance (p = 0.009) while the mean score of self efficacy and dietary consumption behavior had a non difference when compare with prior intervention (p = 0.520, 0.851).


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How to Cite

Mangkala, N., & Kitreerawutiwong, N. (2018). Effectiveness of the Dietary Behavior Change Program after Applying the Transtheotertical Model Among Risk Group of Diabetes Mellitus type 2. NU Journal of Nursing and Health Sciences, 12(1S), 110–120. Retrieved from https://he01.tci-thaijo.org/index.php/NurseNu/article/view/148875