Michael A Olamoyegun¹, Akinyemi T Akinlade², Oluwabukola A Ala³

1. Department of Internal Medicine, Endocrinology, Diabetes & Metabolism Unit, Ladoke Akintola University of Technology, & LAUTECH Teaching Hospital, Ogbomoso, Oyo State, Nigeria.
2. Department of Medicine, General Hospital Odan, Lagos Nigeria.
3. Department of Medicine, BOWEN University & BOWEN University Teaching Hospital, Ogbomoso.

Abstract

Background: Insulin is one of the most important anti-diabetic agents in the management of diabetes even among type 2 diabetic.

Objective: There was need to assess insulin adherence, mode of insulin delivery and burden of insulin usage among diabetics.

Methods: A cross-sectional, prospective questionnaire, orally administered at a Diabetes Clinic of a University Teaching Hospital, SouthWest, Nigeria. Participants were consecutive patients with diabetes who were 18 years or older presently on insulin either alone or in combination with other anti-diabetic agents for at least 3 months. Baseline demographic and insulin treatment information were obtained.

Results: Two hundred and thirteen (213) participants were studied. Of these, 21 (9.9%) had T1DM and 192 (90.1%) had T2DM, (means age, 58.6 ± 13.1 years, mean duration of diabetes, 7.0 ± 6.9 years). Insulin adherence was noted in 72.8% with better adherence among those who self-injected insulin compared to those who were injected by health care professionals (HCPs) or relations. Among the respondents, 80.8% were on human insulin and pre-mixed insulin was the most commonly used form of insulin (52.6%). Most participants (52.6%) were taking 10-20 units per day, only 22 (10.3%) were on >40units/day. Reuse of insulin needle was found in 74.6% of the participants.  Major reasons for insulin omission were non-availability of insulin and patients being tired of insulin injection.

Conclusion: The insulin adherence among diabetics in this study was high. Non-availability of insulin, insulin injection pain and being tired of continual insulin usage were some of the reasons for non-adherent to insulin usage.

Keywords: Adherence, diabetes, burden, insulin injection, omission.

DOI: https://dx.doi.org/10.4314/ahs.v18i4.3

Cite as: Olamoyegun MA, Akinlade AT, Ala OA. Audit of insulin prescription patterns and associated burden among diabetics in a tertiary health institution in Nigeria. Afri Health Sci. 2018;18(4): 852-864. https://dx.doi.org/10.4314/ahs.v18i4.3