Effects of an Education Program-Based on the Common Sense Model on Illness Perceptions, Knowledge, and Self-efficacy among Patients with Type 2 Diabetes Mellitus in Cambodia

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Mao Eam
Pattama Surit


          Purpose: This study was to examine the effects of an education program-based on the Common Sense Model on illness perceptions, knowledge, and self-efficacy among patients with type 2 diabetes mellitus.

          Design: Quasi-experimental study with pretest and posttest control group design.

          Methods: The sample was patients with type 2 diabetes mellitus who were living in 12 villages under health services of a health center. The villages were randomly assigned to the control and experimental groups. The simple random sampling technique with paired matching method were used for selecting subjects in the villages.  Consequently, 36 participants made up each group. The intervention group was invited in a one day education program, whereas, the control group received routine care. The outcomes were evaluated by using the demographic data and illness information, Brief Illness Perception Questionnaire, the 24-item version of Diabetes Knowledge Questionnaire, and the Thai version of Diabetes Management Self-Efficacy Scale. The intervention instruments were developed by the researchers based on the literature review. Paired t-test and independent t-test were used for data analysis.

          Main findings: The result showed that the participants in the intervention group who received the education program had statistically significant higher mean scores of illness perceptions, knowledge, and self-efficacy than before, and those in the control group who received usual care (all p’s < .05).

          Conclusion and recommendations: The findings of the study illustrated that an education program-based on the Common Sense Model could improve illness perceptions, knowledge, and self-efficacy among patients with type 2 diabetes mellitus. This program should be approached for discharge plan to provide accurate perceptions, proper knowledge, and confidence to take care among patients with type 2 diabetes mellitus.


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Eam, M., & Surit, P. (2019). Effects of an Education Program-Based on the Common Sense Model on Illness Perceptions, Knowledge, and Self-efficacy among Patients with Type 2 Diabetes Mellitus in Cambodia. Nursing Science Journal of Thailand, 37(4), 20-31. Retrieved from https://he02.tci-thaijo.org/index.php/ns/article/view/207560
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