A review of the incidence and determinants of catastrophic health expenditure in Nigeria: Implications for universal health coverage

Ijeoma Nkem Okedo‐Alex, Ifeyinwa Chizoba Akamike, Obumneme Benaiah Ezeanosike and Chigozie Jesse Uneke

International Journal of Health Planning and Management, 2019, vol. 34, issue 4, e1387-e1404

Abstract: Background In the Nigerian context, preconditions for financial catastrophe are operational as there is high out‐of‐pocket spending (OOPS) on health with low capacity to pay, presence of user fees, and poor prepayment insurance coverage. We reviewed the incidence and determinants of catastrophic health expenditure (CHE) in Nigeria. Methods Databases including PubMed, OVID, EMBASE, CINAHL, and Web of Science were searched for primary research studies on the incidence and determinants of CHE in Nigeria published between 2003 and 2018. Search terms used include household, out‐of‐pocket expenditure, catastrophic health expenditure, and Nigeria. Results Twenty studies that met the inclusion criteria were included in the review. At 10% of total household and nonfood expenditure, the incidence of CHE was 8.2% to 50%, while 3.2% to 100% households incurred CHE at 40% of nonfood expenditure. The incidence of CHE was higher among inpatients and studies with lower threshold definitions. Outpatient CHE was highest for type 2 diabetes and tuberculosis while human immunodeficiency virus (HIV) care incurred the most CHE among inpatients. Determinants of CHE include wealth status, age, gender, place of residence/geographical location, household size/composition, educational status, health insurance status, illness, and health provider types. Conclusion There is a high incidence of CHE across various common health conditions in Nigeria. CHE was more among the poor, elderly, rural dwellers, private facility utilization, female gender, and noninsured among others. We recommend expansion of the National Health Insurance Scheme via informal social and financing networks platforms. Increased budgetary allocation to health and intersectoral collaboration will also play a significant role in CHE reduction.

Date: 2019
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