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Table 4 Intervention effects calculated from meta-analysis and network meta-analysis, ordered by effect size (intervention v control)

From: How effective are social norms interventions in changing the clinical behaviours of healthcare workers? A systematic review and meta-analysis

Type of social norms intervention Number of comparisons for meta-analysis (network meta-analysis) SMD meta-analysis (95%CI)
n = 100
SMD network meta-analysis (95%CI)
n = 102
Probability of being the best intervention (%)
Social comparison + social reward 2 0.39(0.15 to 0.64) 0.39 (0.15 to 0.64) 59.2
Social comparison + prompts/cues 5 0.33(0.22 to 0.24) 0.33 (0.22 to 0.44) 22.2
Credible sourcea 7 0.30(0.13 to 0.47) 0.30 (0.13 to 0.47) 18.6
Social comparison + credible sourcea 8(10) 0.16(0.12 to 0.19) 0.16(0.12 to 0.20) 0.0
Social comparison + social support (unspecified) 7 0.10(0.04 to 0.16) 0.10 (0.04 to 0.16) 0.0
Other multiple social norms BCTs 4 0.07(0.03 to 0.12) 0.07(0.03 to 0.12) 0.0
Social comparison 33(35) 0.05(0.03 to 0.08) 0.05(0.03 to 0.08) 0.0
Social comparison + other BCTs 23 0.04(0.00 to 0.08) 0.04(0.00 to 0.08) 0.0
Social reward 2 0.03(− 0.08 to 0.13) 0.03(− 0.08 to 0.13) 0.0
Social comparison + instructions on how to perform the behaviour + prompts/cues 5 0.01(− 0.10 to 0.11) 0.01(− 0.10 to 0.11) 0.0
Social comparison + info on health consequences 4 − 0.14(− 0.33 to 0.05) − 0.14(− 0.33 to 0.05) 0.0
  1. aWith/without other BCTs