What do systematic reviews say?

Educational intervention vs no intervention

Educational interventions showed no clear difference in HIV prevalence compared with no intervention (low certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 1.03 [0.8, 1.32]
  3 studies · 14163 participants
  Low

Educational intervention vs no intervention

Educational interventions showed no clear difference in HSV2 prevalence compared with no intervention (moderate certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 1.04 [0.94, 1.15]
  3 studies · 17445 participants
  Moderate

Educational intervention vs no intervention

Educational interventions showed no clear difference in syphillis prevalence compared with no intervention (low certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 0.81 [0.47, 1.39]
  1 study · 6977 participants
  Low

Educational intervention vs no intervention

Educational interventions showed no clear difference in pregnant at end of trial compared with no intervention (moderate certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 0.99 [0.85, 1.16]
  3 studies · 8280 participants
  Moderate

Combined incentive‐based and educational interventions vs no intervention

Combined incentive‐based and educational interventions may leads to lower HSV2 prevalence compared with no intervention (low certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 0.82 [0.68, 0.99]
  1 study · 5899 participants
  Low

Combined incentive‐based and educational interventions vs no intervention

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Combined incentive‐based and educational interventions vs no intervention

Combined incentive‐based and educational interventions showed no clear difference in pregnant at end of trial compared with no intervention (low certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 0.9 [0.67, 1.19]
  1 study · 2782 participants
  Low

Combined incentive‐based and educational interventions vs no intervention

Combined incentive‐based and educational interventions showed no clear difference in HIV prevalence compared with no intervention (low certainty).

• School‐based interventions for preventing HIV, sexually transmitted infections, and pregnancy in adolescents 2016 · Cochrane Headline outcomes only
  RR 1.53 [0.45, 5.13]
  1 study · 2506 participants
  Low