ISRCTN49881357.

Study name	Cluster‐randomized trial of community‐based trauma healing on sexual and physical violence victimization of women and perpetration by men in the Democratic Republic of Congo
Methods	Study design: cluster‐RCT Country: Democratic Republic of Congo
Participants	Adults residents of selected villages Inclusion criteria:  a. all residents from selected villages Exclusion criteria: a. residents outside randomly selected 80 villages Stated purpose: to evaluate the impact of a Community‐Based Trauma Healing (CBTH) implemented in Eastern Democratic Republic of the Congo (DRC) by Search for Common Ground (SFGC) as part of a wider programme, that aims to reduce gender‐based violence
Interventions	Intervention: Community‐Based Trauma Healing (CBTH) Community‐Based Trauma Healing (CBTH), a programme implemented in Eastern DRC, as a core strategy to help strengthen community capacity to support the trauma healing process and increase individual mental health, and reduce GBV in a (post)‐conflict context CBTH‐facilitated sessions: trauma healing (TH) sessions about each month for a total of 12 sessions. Each TH session brought together 20‐25 interested persons from the community, each session spanning across three days, meeting for about 2‐3 hours each day. Separate sessions were organized for men and women. Using the facilitation guide, THCs facilitate each session to enable participants to identify incidents that affect their personality and cause them trauma. In addition, people were invited to participate in village celebrations to share experiences. Control: No CBTH intervention
Outcomes	Participants'outcomes of interest for this review Mental health symptoms/depression – Depression and Anxiety Scale Mental health symptoms/anxiety – Depression and Anxiety Scale Mental health symptoms/distress/PTSD – 16‐item Harvard Trauma Questionnaire (HTQ‐16) Economic outcomes Service uptake (bespoke questionnaire) Time points: baseline, post‐intervention (time not specified)
Starting date	12 September 2018 (1 January 2019 recruitment start date) Completed trial
Contact information	Dr Maarten Voors, maarten.voors@wur.nl
Notes	Source of funding: United States Agency for International Development Prospective trial registration number: ISRCTN49881357