Insulin adherence and the associated factors among patients with type 2 diabetes mellitus at the Hospital Queen Elizabeth II, Sabah

Yong, Siew Yee and Goh, Greta Miranda and Loh, Huai Heng (2020) Insulin adherence and the associated factors among patients with type 2 diabetes mellitus at the Hospital Queen Elizabeth II, Sabah. Journal of Public Health: From Theory to Practice. ISSN 1613-2238

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Abstract

Aim The purposes of this study were to: (a) determine the insulin adherence rate and reasons for non-adherence among patients with T2DM, (b) determine the relationship between the Health Belief Model (HBM) construct and insulin adherence, (c) assess the patient’s characteristics that influence the Health Belief Model (HBM) construct, and (d) identify the predictors of insulin non-adherence among patients with T2DM. Subject and methods An analytical cross-sectional survey was carried out on 360 T2DM outpatients at the Diabetes Clinic in Hospital Queen Elizabeth II (HQE II), Sabah. Insulin adherence was measured using a validated Medication Compliance Questionnaire (MCQ). Results A total of 360 patients took part in this study. Majority were female (60.6%) with an age range from 28 to 87 years (54.07 ± 13.62 years). The overall prevalence of insulin adherence was 60.3%. Forgetfulness was the most common factor for insulin non-adherence (66.9%). The majority of the respondents showed positive perceptions and beliefs of their insulin treatments, with a mean 71.11 (SD = 9.59). There was a significant correlation between insulin adherence and all the HBM constructs. Overall, the HBM constructs predicted 40.9% of the variance in insulin adherence. The strongest predictor of insulin adherence was perceived benefits followed by self-efficacy. Conclusions The current study suggests an acceptable level of insulin adherence among the T2DM outpatients in HQE II. It is recommended that the high-risk group of non-adherence should be identified, the insulin regimen adjusted, and an individual intensive health education designed in order to increase insulin adherence.

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