Examining contraceptive knowledge and usage patterns among married women in Bihar: A secondary analysis based on NFHS-5 (2019–2021)

INTRODUCTIONThis cross-sectional secondary analysis of NFHS-5 (2019-2021) data examines the factors influencing contraceptive use among currently married women aged 15-49 years in Bihar, India.METHODS The dependent variable, contraceptive use, was defined as current use of any modern or traditional contraceptive method (1=yes, 0=no), based on self-reported data, while independent variables included age, education level, religion, wealth index, area of residence, media exposure, and occupation; binary logistic regression was employed to identify determinants of contraceptive use.RESULTS Of the women, 44.23% were non-users of contraception.In comparison, female sterilization dominated among users (34.76%), with very low use of modern reversible methods such as condoms (3.97%), pills (2.03%), IUDs (0.76%), and injectables (1.12%).Adjusted