The Effect of Health Belief Modification Program on Polypharmacy Medication Adherence among Older Persons with Chronic Illness

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Titima Yinghan
Siriphan Sasat


            This research was a quasi-experimental, post-test with two comparative group study aimed to study the effect of health belief modification program on polypharmacy medication adherence among older persons with chronic illness. The purposive sampling consisted of 40 older persons and randomly divided into the control and experimental groups, 20 subjects for each group were paired with similar characteristics in terms of age and education level. The experimental group received health modification program for 5 weeks and the control group received conventional nursing care. The instruments were demographic questionnaire and the record from medication adherence. Inter-rater reliability statistics of the assessment was 1.0. The data were analyzed using descriptive statistics and Z-test.
            The result revealed that the proportion of medication adherence among older persons with chronic illness in the experimental group that received the health belief modification program was statistically significant higher than the control group who received conventional nursing care at the level of .05. The results of this study supported that utilizing the health belief modification can enhance the medication adherence among older persons with chronic illness with polypharmacy. Therefore, the health belief modification program could be applied as a guide for older persons with chronic illness to improve medication adherence.


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