Comparison 1. Patient versus staff interviewers.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Satisfaction with care (Clark: 0 = low, 4 = high; Polowczyk: 1 = low, 4 = high)	2	650	Mean Difference (IV, Fixed, 95% CI)	‐0.14 [‐0.23, ‐0.06]