Bunn 1979.

Methods	Randomisation: 'Randomly assigned' Allocation concealment ‐ unclear (B) Exclusion after randomisation ‐ unclear ITT; yes, but no follow up
Participants	Parents or relatives of primary victims of trauma admitted to a general hospital. Exclusions: frequent attenders
Interventions	Comparison: 20 minutes counselling versus nil Time between assessment and intervention: unclear, but probably hours or a few days
Outcomes	Gottschalk & Gleiser content analysis of anxiety (six categories) Viney and Westbrook cognitive anxiety
Notes	Assessment took place within minutes of end of intervention Assessments based on interpretation of five minute verbal samples. Interventions standardised: no Subjects were not primary victims
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	High risk	C ‐ Inadequate