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Table 6 Average MBI subscale scores in the low and high SOC groups and Pearson correlation coefficients with working hours

From: Effect of stress coping ability and working hours on burnout among residents

   Third month Fifteenth month
      t-test Pearson correlation with working hours     t-test Pearson correlation with working hours
MBI Group n Mean SD p (d) 1-β r p 1-β n Mean SD p (d) 1-β r p 1-β
-EX Low SOC 32 17.7 6.8 0.048* (0.51) 0.51 0.47 0.007** 0.79 16 15.9 6.8 0.083 (0.61) 0.41 0.17 0.525 0.15
  High SOC 30 14.2 6.9 0.28 0.134 0.32 19 11.7 6.8 0.17 0.479 0.15
-CY Low SOC 32 9.9 7.2 0.001** (0.89) 0.93 0.39 0.029* 0.61 16 12.9 8.6 0.000** (1.31) 0.96 0.14 0.602 0.12
  High SOC 30 4.6 4.4 0.14 0.466 0.11 19 4.4 3.1 0.09 0.708 0.08
-PE Low SOC 32 14.3 7.1 0.008** (0.70) 0.78 −0.44 0.012* 0.73 16 12.9 6.4 0.049* (0.70) 0.51 −0.19 0.474 0.18
  High SOC 30 19.7 8.1 0.36 0.049* 0.51 19 17.5 6.8 0.24 0.315 0.25
  1. MBI-EX Maslach Burnout Inventory-emotional exhaustion
  2. MBI-CY Maslach Burnout Inventory-cynicism
  3. MBI-PE Maslach Burnout Inventory-professional efficacy
  4. Low SOC: Respondents whose score on the 10-item Sense of Coherence Scale was ≤45
  5. High SOC: Respondents whose score on the 10-item Sense of Coherence Scale was > 45
  6. n: number of respondents. SD standard deviation
  7. *p < 0.05; **p < 0.01: Significant difference in average MBI subscale scores between the low and high SOC groups based on a t-test, and in Pearson correlation analysis of MBI subscale scores and working hours
  8. d:Cohen’s d effect size
  9. 1-β: Power of analysis
  10. r: Pearson correlation coefficient