Table 10.

Characteristics of studies evaluating group counselling.

Author (Year), Location	Population (Sample size)	Trauma Exposure	Study design	Outcome(s) assessed (Measures used) (Assessment time-points)	Group counselling intervention a. Group or individual b. Mandatory or voluntary c. No. of sessions d. Timeframe between exposure and intervention e. Delivered by f. Components of intervention	Main findings
Kang et al. (2017, South Korea	Industrial workers-textile (21)	Witnessed the death of a co-worker	Cohort (1 group pre and post)	Effectiveness (Impact of Events Scale-Revised, Primary Care PTSD screen, Patient Health Questionnaire – 9, Suicidal Ideation Questionnaire, Cutdown Annoyed Guilty Eyeopener Questionnaire) (Pre-intervention, 1 month post intervention).	a. Group b. Mandatory c. 4 sessions d. Psychologist invited approximately 4 days after the accident e. Psychologist f. Psychoeducation, affection control group therapy, counselling	Participants had significantly lower PTSD symptoms and depression (PHQ-9) scores one-month post intervention compared to their own baseline measurements which were taken prior to participating in the intervention.