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Table 1 Means, standard deviations, and effect sizes of Safety Climate (SC) subscale and total scores calculated for control and intervention practices

From: Safety in primary care (SAP-C): a randomised, controlled feasibility study in two different healthcare systems

  Safety Climate scores: Control practices Safety Climate scores: Intervention practices
Managerial Non-managerial Managerial Non-managerial
T1 Mean (SD) T2 Mean (SD) da T1 Mean (SD) T2 Mean (SD) da T1 Mean (SD) T2 Mean (SD) da T1 Mean (SD) T2 Mean (SD) da
Workload 3.48 (0.93) 3.77 (1.34) − 0.25 4.16 (1.37) 4.20 (1.63) −0.02 4.70 (1.22) 4.88 (0.93) −0.16 4.64 (1.09) 5.12 (1.06) −0.45
Communication 5.78 (0.89) 5.07 (1.48) 0.58 5.03 (1.46) 5.05 (1.49) −0.01 5.73 (0.97) 6.00 (0.77) −0.31 5.47 (1.19) 5.78 (1.14) −0.27
Leadership 6.24 (0.86) 6.13 (0.78) 0.13 5.90 (1.05) 5.68 (1.48) 0.17 6.29 (0.43) 6.51 (0.55) −0.45 6.07 (0.86) 6.17 (1.16) −0.10
Teamwork 5.62 (0.93) 5.66 (1.13) −0.0 5.81 (0.96) 5.59 (1.04) 0.21 6.16 (0.61) 6.52 (0.56) −0.61 6.09 (0.90) 6.16 (0.81) −0.08
Safety systems 5.79 (0.65) 5.44 (0.95) 0.43 5.28 (1.13) 5.33 (1.27) −0.04 5.87 (0.73) 6.40 (0.52) −0.84 6.01 (0.89) 6.11 (0.83) −0.12
Total SC 5.52 (0.63) 5.34 (0.91) 0.22 5.36 (0.91) 5.21 (1.09) 0.14 5.78 (0.57) 6.15 (0.55) −0.66 5.70 (0.70) 5.94 (0.74) −0.33
  1. T1 = pre-test (baseline), T2 = post-test (end of study), d = Cohen’s d
  2. ad represents the effect size of the difference between the scores at T1 and T2