Early risk factors for depression, anxiety and post-traumatic distress after hospital admission for unintentional injury: Multicentre cohort study.

•Caseness for depression and anxiety were 15% each in UK adults 1 month after injury.•Caseness for moderate-severe post-traumatic distress was 24% in UK adults 1 month after injury.•Caseness reduced to 7%, 11% and 17% respectively at 12 months.•Similar factors were associated with symptoms of depression and anxiety after injury.•Different factors were associated with symptoms of post-traumatic distress after injury.