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Table 2 Outcomes of 146 senior medical students between intervention and control group

From: Improvement of the management of mental well-being and empathy in Chinese medical students: a randomized controlled study

Variables Total Control group(n = 72) Intervention group (n = 74) Statistics P value a
SE, mean (SD) 25.0 (5.6) 24.3 (6.3) 25.6 (4.8) -1.40 0.16
QOL, median (IQR) 31.0 (26.0,35.0) 29.5 (26.0, 34.0) 32.0 (28.0, 35.0) 3089 0.04
Depression (PHQ-9), mean (SD) 6.7 (4.1) 7.6 (4.4) 6.0 (3.7) -2.453 0.02
Depression (PHQ-9), N (%)     5.347 0.02
 No 115 (78.8 %) 51 (70.8 %) 64 (86.5 %)   
 Yes 31 (21.2 %) 21 (29.2 %) 10 (13.5 %)   
Burnout (MBI), mean (SD) 47.2 (13.6) 49.6 (13.1) 45.1 (13.6) -2.087 0.04
Burnout (MBI), N (%)     1.014 0.31
 No 101 (69.2 %) 47 (65.3 %) 54 (73.0 %)   
 Yes 45 (30.8 %) 25 (34.7 %) 20 (27.0 %)   
Empathy (JSE-HPS), median (IQR) 108.5 (99.0, 115.0) 106.0 (93.0, 111.5) 111.0 (102.0, 118.0) 3195 0.01
  1. Note: Continuous variables are presented as mean (standard deviation, SD) and median (inter-quartile range, IQR). If the variable follows a normal distribution, it is described with the mean (SD) and if it does not follow a normal distribution, the median (IQR) is used. Categorical variables are presented as n (%) according to different levels
  2.  Abbreviations: SD standard deviation, IQR inter-quartile range, SE self-efficacy, QOL quality of life, MBI Maslach Burnout Inventory, PHQ-9 the Patient Health Questionnaire-9, JSE-HPS the Jefferson Scale of Empathy-Health care Provider Student version
  3. at-test results for continuous variables with normal distribution, Wilcoxon test results for continuous variables with abnormal distribution, and Chi-square test results for categorical variables