The effect of community-based health insurance schemes on utilization of healthcare services in low- and middle-income countries: a systematic review protocol of quantitative evidence.

REVIEW QUESTION/OBJECTIVE: The objective of this systematic review is to identify, appraise and synthesize evidence to establish the effectiveness of community-based health insurance (CBHI) schemes in enhancing the utilization of healthcare services among their members in low- and middle-income countries (LMICs).Specifically, the review objective is to determine if individuals or households enrolled in CBHI schemes in LMICs utilize healthcare services (outpatient visits, hospital admissions, emergency visits, maternal and child healthcare services, or any other services involving the schemes) more frequently than those not included in CBHI schemes.