Impact of health literacy intervention on health outcomes among type 2 diabetes patients: A repeated-measure study Impact of health literacy intervention on diabetes outcomes
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Abstract
Objective: This study aims to compare the diabetes outcomes and drug costs before and after receiving the health literacy (HL) intervention at Hua wiang primary care center, Lampang.
Methods: This retrospective cohort was conducted in the uncontrolled diabetes patients who underwent the HL intervention at Hua wiang primary care center between July and December 2020. Patients’ hemoglobin A1c (HbA1c) and fasting blood sugar (FBS) after receiving the intervention were compared with their baselines. Further, this study compared the amount of diabetes drugs and their costs before and after the HL intervention. Paired samples t-test was applied to compare the amount of diabetes drugs prescribed and their costs. Repeated measure linear regression analyses were employed to examine the effect of HL intervention on diabetic control.
Results: A total of 81 patients were included, with 57 (70.4%) being female. The mean age was 56.95 years. Results from the regression analysis indicate that health literacy intervention could decrease both FBS and HbA1c levels by 46.4 mg/dL (P<0.001) and 0.3% (P=0.044), respectively. In addition, there was no difference in the number of diabetic drugs prescribed and their costs comparing before and after the intervention.
Conclusions: This study demonstrates that HL intervention can improve diabetes outcomes without increasing the medication costs. Future research, exploring the long-term effect of the HL intervention in other primary care settings, is recommended to gain a better understanding maintenance of the intervention effectiveness.
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