Effectiveness of the PRECEDE PROCEED model on health literacy among diabetes and hypertension patients at Ban Kluai Phae Sub-district Health Promoting Hospital, Lampang
This study aimed to assess the effectiveness of interventions based on the ‘PRECEDE- PROCEED model’ and its impact on the health literacy of patients with type 2 diabetes and hypertension. The study utilized a quasi-experimental methodology. Thirty-nine patients from Ban Kluai Phae Sub-district Health Promoting Hospital participated as an experimental group, and with 35 patients recruited from other health care providers as a comparison group. A four-month intervention based on the PRECEDE-PROCEED model was provided for the experimental group and the pre- and post-intervention health literacy of the participants was evaluated using a questionnaire. Descriptive statistics and t-test were used for data analysis. The results show that, after the 4-month intervention, in the experimental group the percentage of subjects with knowledge of interactive health literacy and of critical health literacy increased from 63.00% to 71.79% and from 11.60% to 25.64%, respectively. The pre- and post-intervention mean health literacy scores of the experimental group were statistically different (pre-intervention mean score = 79.85, SD = 22.489; post-intervention mean score = 91.72, SD = 13.296 p<0.007). However, the mean health literacy scores for the experimental group (mean = 91.72, SD = 13.296) and the comparison group (mean = 90.71, SD = 8.767) were not significantly different. Patients exposed to the intervention were more likely to be successful in controlling blood pressure and blood sugar levels, i.e. the percentage of patients with normal blood pressure rose from 57.98% to 96.45%, and, at the same time, the percentage of those with normal blood sugar increased from 87.36% to 94.14%. These findings indicate that interventions based on the PRECEDE-PROCEED model have proved to be an effective approach to improving health literacy and controlling the disease among patients with diabetes and hypertension.
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