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Table 4 Frequencies of occurrence of features associated with effectiveness

From: School-based sexual health education interventions to prevent STI/HIV in sub-Saharan Africa: a systematic review and meta-analysis

Intervention Characteristic Interventions with benefit (N = 15) Interventions without benefit (N = 16)
Need assessment of target participants and involvement of stakeholders (parents, teachers or students) in designing the intervention 9 (60 %) 8 (50 %)
Adapting from other programs or curriculum that are found to be efficacious. 7 (47 %) 2 (13 %)
Theory-based 9 (60 %) 5 (29 %)
Skilled-based 10 (67 %) 9 (56 %)
Provision of adolescents health services 3 (20 %) 1 (6 %)
Distribution of condoms 2 (13 %) 1 (6 %)
Activities outside school environment 6 (40 %) 2 (12 %)
Training of facilitators 10(67 %) 11 (65 %)
Implementation of intervention with fidelity 2 (13 %) 0 (0.00)
  1. N number of studies