Table 3.

 Comparison of meta-analyses with and without data from studies judged to have inadequate concealment of allocation

Comparison	Effect size all data (95% CI)	Effect size without inadequate studies (95% CI)
Intervention v control:
Question asking	0.27 (0.19 to 0.36)	0.26 (0.17 to 0.35)
Patient satisfaction	0.09 (0.03 to 0.16)	0.10 (0.03 to 0.17)
Consultation length	0.10 (−0.05 to 0.25)	0.12 (−0.03 to 0.28)
Written materials v coaching:
Written materials: question asking	0.42 (0.26 to 0.59)	0.37 (0.18 to 0.55)
Written materials: satisfaction	0.08 (0.00 to 0.16)	0.09 (0.00 to 0.17)
Coaching: satisfaction	0.23 (0.08 to 0.38)	0.18 (−0.03 to 0.39)
Written materials: consultation length	0.13 (0.05 to 0.21)	0.16 (0.08 to 0.24)
Clinician training:
Not trained: satisfaction	0.13 (0.05 to 0.21)	0.12 (0.04 to 0.21)
Not trained: consultation length	0.17 (0.10 to 0.24)	0.17 (0.09 to 0.24)