Table 1 Primary and secondary outcomes of specific interventions of the cluster-randomised controlled trial

Intervention 1: suicide prevention in schools through the Youth Aware of Mental Health (YAM) intervention

Reduction in suicidal ideation at 3-month and 12-month follow-up among adolescents in intervention schools

▪ Proportion of schools that agreed to implement the YAM intervention of the total number of schools approached for implementation

▪ Of those schools that agreed to implement the YAM intervention, the proportion of schools that implemented the programme

▪ Proportion of adolescents in intervention schools who received the YAM programme out of total number of adolescents in the selected grade

Intervention 2: community storage facilities (CSF) for pesticides

Reduction in the number of suicides and attempted suicides in intervention villages at 12-month follow-up

▪ Proportion of villages of those that were approached that agreed to have the CSF

▪ Proportion of villages that agreed to have the CSF or provided for or arranged space to build the storage facility

▪ Proportion of households reached with promotion activities linked to community storage of pesticides; proportion of households that requested a community storage box; proportion of households that received a community storage box

▪ Proportion of households in the villages that used the boxes regularly

Intervention 3: community health worker (CHW) training for identification, support and management of people at risk of suicide or self-harm

Number of persons with suicidal ideation detected by trained CHWs and number of persons referred by CHWs to mental health professionals for care for suicidal ideation

▪ Proportion of health workers trained in intervention villages

▪ Improvement in knowledge, skills, attitudes and practice of CHW who received training

▪ Number of CHWs applying knowledge and skills obtained through the training programme in their day-to-day practice at 6-month and 12-month follow-up