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 6: Remote contact interventions showed no clear difference in repetition of SH at 24 months' compared with treatment (low certainty).
It is very uncertain whether comparison 9: remote contact interventions changes repetition of SH at 12 months compared with treatment (very low certainty).
Comparison 5: Mixed multimodal interventions showed no clear difference in repetition of SH at 12 months compared with treatment (low certainty).
Comparison 8: home‐based family intervention showed no clear difference in repetition of SH at six 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 4: Adherence enhancement approaches showed no clear difference in repetition of SH at 12 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).
Mood stabilisers showed no clear difference in repetition of SH at 12 months compared with placebo (low certainty).
It is very uncertain whether comparison 1: individual CBT‐based psychotherapy changes repetition of SH at six months compared with treatment (very low certainty).
Comparison 5: group‐based psychotherapy showed no clear difference in repetition of SH at six months compared with treatment (low certainty).
Comparison 5: group‐based psychotherapy showed no clear difference in repetition of SH at 12 months compared with treatment (low certainty).
Comparison 6: therapeutic assessment showed no clear difference in repetition of SH at 12 months compared with treatment (low certainty).