It is very uncertain whether comparison 7: Other mixed interventions changes repetition of SH at 12 months compared with treatment (very low certainty).
Comparison 7: Other mixed interventions showed no clear difference in repetition of SH at 6 months compared with treatment (low certainty).
Comparison 7: Other mixed interventions showed no clear difference in repetition of SH at 24 months compared with treatment (low certainty).
Comparison 6: Remote contact interventions showed no clear difference in repetition of SH at 12 months compared with treatment (moderate certainty).
Comparison 6: Remote contact interventions showed no clear difference in repetition of SH at 6 months' compared with treatment (low certainty).
Comparison 5: Mixed multimodal interventions showed no clear difference in repetition of SH at 12 months compared with treatment (low certainty).
Comparison 6: Remote contact interventions showed no clear difference in repetition of SH at 24 months' compared with treatment (low certainty).
Comparison 2: Interventions for multiple repetition of SH/probable… showed no clear difference in repetition of SH at 12 months' compared with treatment (low certainty).
Comparison 2: Interventions for multiple repetition of SH/probable… showed no clear difference in repetition of SH at 6 months' compared with treatment (low certainty).
Comparison 1: CBT‐based psychotherapy probably leads to lower repetition of SH at 6 months compared with treatment (moderate certainty).
Comparison 1: CBT‐based psychotherapy probably leads to lower repetition of SH at 12 months compared with treatment (moderate certainty).
Comparison 1: CBT‐based psychotherapy probably leads to lower repetition of SH at 24 months compared with treatment (moderate certainty).
Comparison 4: Adherence enhancement approaches showed no clear difference in repetition of SH at 12 months' compared with treatment (low certainty).