DSM-IV criteria (61% v. 47%, P = 0.050) and regular smoking (72% v. 52%, P = 0.006). Finally, those at moderate or severe risk of problem gambling were significantly less impaired during their worst episode of mood elevation than those not at risk (GAS score 45 v. 33, P = 0.004). The levels of impairment during the worst episode of depression were similar in both risk groups.
