Table 3.

Evidence Project risk of bias tool for non-randomised studies (all controlled cohort studies)

Citation	Study design includes pre/post intervention data	Study design includes control or comparison group	Study design includes cohort	Comparison groups equivalent at baseline on sociodemographics	Comparison groups equivalent at baseline on outcome measures	Participants randomly selected for assessment	Participants randomly allocated to the intervention	Control for potential confounders	Follow-up rate ≥75%
Cameron et al, 2011	No	Yes	Yes	Yes	NA	No	No*	No	No
Cover et al 15	No	Yes	Yes	No	NA	No	No*	Yes	Yes
Cover et al 14	No	Yes	Yes	No	NA	No	No*	Yes	Yes

*Women self-selected into intervention and control groups.

NA, not available.