Comparison 1: CBT‐based psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with treatment (low certainty).
Comparison 5: Psychodynamic psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 9.7: Telephone‐based psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).
Comparison 4: Emotion‐regulation psychotherapy probably leads to lower repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 1: Individual CBT‐based psychotherapy showed no clear difference in repetition of SH by post‐intervention compared with TAU or other comparator (low certainty).
Comparison 1.2: Group‐based CBT‐based psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 1.1: Individual‐based CBT‐based psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).