Comparison 9.1: Emergency cards showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).
Comparison 9.2: Coping cards showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
It is very uncertain whether comparison 9.4: Postcards changes repetition of SH at post‐intervention compared with TAU or another comparator (very low certainty).
Comparison 9.5: Telephone contact showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).
Comparison 9.6: Telephone contact, emergency cards, and letters showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate 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 9.7: Telephone‐based psychotherapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).
It is very uncertain whether comparison 10: Provision of information and support changes repetition of SH at post‐intervention compared with TAU or another comparator (very low certainty).
Comparison 12.5: General hospital management showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 12.8: Long‐term therapy showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (low certainty).
It is very uncertain whether comparison 2.1: DBT changes repetition of SH by post‐intervention compared with TAU or another comparator (very low certainty).
Comparison 2.2: DBT group‐based skills training showed no clear difference in repetition of attempted suicide at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 2.2: DBT group‐based skills training showed no clear difference in repetition of NSSI at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 2.3: DBT individual therapy showed no clear difference in repetition of attempted suicide at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 2.3: DBT individual therapy showed no clear difference in repetition of NSSI at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 2.4: DBT prolonged exposure protocol showed no clear difference in repetition of SH at post‐intervention compared with TAU or another comparator (moderate certainty).
Comparison 3: MBT leads to lower repetition of SH at post‐intervention compared with TAU or another comparator (high certainty).
It is very uncertain whether newer generation antidepressants (NGAs) changes repetition of SH by post‐intervention (NGA class)№ of participants:… compared with placebo (very low certainty).
Antipsychotics may leads to lower repetition of SH by post‐intervention№ of participants: 30(1 RCT) compared with placebo (low certainty).
Antipsychotics showed no clear difference in repetition of SH by post‐intervention№ of participants: 53(1 RCT) compared with another comparator drug or dose (low certainty).