Fig. 1

Factor structure model of the MFKI based on CFA. (All factor loadings are significant at p < 0.001). MFKI: Male Fertility Knowledge Inventories, ERH: Environment and reproductive health, LSF: Lifestyle factors, SQ: Sperm quality
Factor structure model of the MFKI based on CFA. (All factor loadings are significant at p < 0.001). MFKI: Male Fertility Knowledge Inventories, ERH: Environment and reproductive health, LSF: Lifestyle factors, SQ: Sperm quality