Effects of health literacy intervention on health outcomes in type 2 diabetic patients in Health Promoting Hospital
Keywords:
Health literacy, Diabetes, HbA1c, Drug costsAbstract
Background: Evidence has indicated the positive effect of health literacy on blood sugar control in diabetic patients. Health literacy intervention for diabetes has been implemented at Ban Fon Health Promoting Hospital (HPH) since 2019. This study aims to compare health outcomes alongside drug costs of such intervention.
Methodology: A retrospective cohort was conducted in diabetic patients who were diagnosed with diabetes at Ban Fon HPH in 2019-2020 with an implementation of Health literacy intervention for diabetes was initiated in 2019. Data of HbA1c, fasting blood sugar, LDL-c, HDL-c, and triglyceride level were retrieved and compared between 2019 and 2020. Costs of diabetic drugs for each patient per day were calculated from the last dose of each diabetic drug in each year times drug costs. Paired sample t-test was applied to compare health outcomes and diabetic drug costs. Multilevel linear regression analysis of repeated measure data was employed to examine the association between health literacy intervention and health outcomes.
Results: The total of diabetic patients was 141, of which, 101 (71.63%) were female. Health outcomes of diabetic patients after receiving health literacy intervention showed that the level of HbA1c was decreased by 0.24%. Results from the multilevel linear regression analysis indicate that health literacy intervention decreased HbA1c levels by 0.37 (95% CI: -0.548, -0.180). There was no difference in the costs of diabetic drugs between years.
Conclusion: Health literacy intervention effectively reduces HbA1c levels in diabetic patients, without increasing the drug costs. Combining health literacy intervention into the conventional diabetic care could improve the efficiency of treatment.
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