Fig. 4From: School-based sexual health education interventions to prevent STI/HIV in sub-Saharan Africa: a systematic review and meta-analysisForest plots for meta-analysis. a HSV-2 infections. b Condom use for less than six months follow-up period (RCTs). c Condom use for less than six months follow-up period (non-RCTs). d Condom use for six to ten months follow-up period (RCTs). e Condom use for six to ten months follow-up period (non-RCTs). f Condom use for more than 10Â months follow-up period (RCTs). g Condom use for more than 10Â months follow up period (non-RCTs)Back to article page