1(a) Audit and feedback versus no intervention - dichotomous outcomes
1(b) Audit and feedback + educational meetings versus no intervention -dichotomous outcomes
2(a) Audit and feedback alone versus no intervention - continuous outcomes
2(b) Audit and feedback plus educational meetings versus no intervention - continuous outcomes
2(c) Multifaceted interventions that include audit and feedback versus no intervention
3 Short term effects of audit and feedback compared to longer term effects
4 Audit and feedback plus complimentary interventions versus audit and feedback alone
5 Audit and feedback versus other interventions
6 Different ways of audit and feedback