Table 1. Demographics and survey scores for all interns and distributed by academic year
Characteristic Total (n=229) 2015 (n=83) 2016 (n=72) 2017 (n=74) p-value
Age, years median (IQR) 27.0 (26.0-28.0) 27.0 (26.0-28.0) 26.0 (26.0-28.0) 27.0 (26.0-29.0) 0.3094‡
Age (categorical)          
≤21 0 0 0 0 **
22-24 11 (4.8) 3 (3.6) 4 (5.6) 4 (5.4)  
25-27 133 (58.1) 52 (62.7) 43 (59.7) 38 (51.4)  
28-30 54 (23.6) 18 (21.7) 17 (23.6) 19 (25.7)  
31-33 18 (7.9) 7 (8.4) 6 (8.3) 5 (6.8)  
34-36 6 (2.6) 2 (2.4) 0 4 (5.4)  
≥37 7 (3.1) 1 (1.2) 2 (2.8) 4 (5.4)  
Sex         0.9429*
Male 108 (47.2) 39 (47.0) 33 (45.8) 36 (48.7)  
Female 121 (52.8) 44 (53.0) 39 (54.2) 38 (51.4)  
Degree          
Bachelor of Arts 46 (20.1) 19 (22.9) 11 (15.3) 16 (21.6) 0.4601*
Bachelor of Science 122 (53.3) 44 (53.0) 37 (51.4) 41 (55.4) 0.8869*
Master of Arts 2 (0.9) 0 1 (1.4) 1 (1.4) 0.5358†
Master of Science 20 (8.7) 6 (7.2) 4 (5.6) 10 (13.5) 0.1950*
MBA 2 (0.9) 1 (1.2) 1 (1.4) 0 0.7647†
MPH 2 (0.9) 1 (1.2) 0 1 (1.4) 1.0000†
PhD 1 (0.4) 0 1 (1.4) 0 0.3144†
MD 106 (46.3) 35 (42.2) 35 (48.6) 36 (48.7) 0.6413*
DO 94 (41.1) 37 (44.6) 29 (40.3) 28 (37.8) 0.6838*
DDS 7 (3.1) 1 (1.2) 4 (5.6) 2 (2.7) 0.2648†
DMD 13 (5.7) 6 (7.2) 2 (2.8) 5 (6.8) 0.4277†
Other 6 (2.6) 2 (2.4) 3 (4.2) 1 (1.4) 0.6020†
Marital Status         0.3420†
Single 130 (56.8) 46 (55.4) 45 (62.5) 39 (52.7)  
Married or with Significant Other 97 (42.4) 37 (44.6) 27 (37.5) 33 (44.6)  
Separated/Divorced 2 (0.9) 0 0 2 (2.7)  
Widowed 0 - - -  
Do you have children?         0.0126*
Yes 23 (10.0) 12 (14.5) 1 (1.4) 10 (13.5)  
No 206 (90.0) 71 (85.5) 71 (98.6) 64 (86.5)  
Primary Specialty         0.9990*
Family Med/General Prac 19 (8.3) 8 (9.6) 5 (6.9) 6 (8.1)  
Pediatrics 17 (7.4) 6 (7.2) 5 (6.9) 6 (8.1)  
Internal Med 53 (23.1) 18 (21.7) 19 (26.4) 16 (21.6)  
Obstetrics/Gynecology 18 (7.9) 6 (7.2) 6 (8.3) 6 (8.1)  
Surgery 22 (9.6) 7 (8.4) 7 (9.7) 8 (10.8)  
Emergency Medicine 42 (18.3) 17 (20.5) 13 (18.1) 12 (16.2)  
Dental 21 (9.2) 7 (8.4) 7 (9.7) 7 (9.5)  
Transitional 30 (13.1) 11 (13.3) 7 (9.7) 12 (16.2)  
Other 7 (3.1) 3 (3.6) 3 (4.2) 1 (1.4)  
JSE score median (IQR) 119.0 (109.0-128.0) 120.0 (111.0-130.0) 120.0 (108.0-128.0) 116.0 (105.0-126.0) 0.1553‡
Exhibit at least one manifestation of burnout (high EE or high DP)         0.0158*
Yes 70 (30.6) 20 (24.1) 18 (25.0) 32 (43.2)  
No 159 (69.4) 63 (75.9) 54 (75.0) 42 (56.8)  
MBI Emotional Exhaustion subscale score median (IQR) 16.0 (9.0-23.0) 15.0 (8.0-21.0) 15.5 (9.0-23.5) 16.5 (10.0-25.0) 0.4781‡
MBI Emotional Exhaustion subscale category         0.7885*
Low 145 (63.3) 56 (67.5) 46 (63.9) 43 (58.1)  
Moderate 42 (18.3) 13 (15.7) 14 (19.4) 15 (20.3)  
High 42 (18.3) 14 (16.9) 12 (16.7) 16 (21.6)  
MBI Depersonalization subscale score median (IQR) 5.0 (2.0-9.0) 4.0 (1.0-7.0) 5.0 (3.0-9.5) 7.0 (3.0-11.0) 0.0159‡
MBI Depersonalization subscale category         0.0935*
Low 121 (52.8) 52 (62.7) 38 (52.8) 31 (41.9)  
Moderate 51 (22.3) 17 (20.5) 16 (22.2) 18 (24.3)  
High 57 (24.9) 14 (16.9) 18 (25.0) 25 (33.8)  
MBI Personal Accomplishment subscale score median (IQR) 40.0 (36.0-45.0) 40.0 (37.0-44.0) 41.0 (36.0-46.0) 40.0 (33.0-44.0) 0.4853‡
MBI Personal Accomplishment subscale category         0.2245*
Low 127 (55.5) 46 (55.4) 41 (56.9) 40 (54.1)  
Moderate 61 (26.6) 26 (31.3) 20 (27.8) 15 (20.3)  
High 41 (17.9) 11 (13.3) 11 (15.3) 19 (25.7)  
Excluded from ESCI Analysis?         --
Yes 3 (1.3) 2 (2.4) 0 1 (1.4)  
No 226 (98.7) 81 (97.6) 72 (100) 73 (98.7)  
ESCI Achievement Orientation competency score (n=226) median (IQR) 4.5 (4.2-4.8) 4.5 (4.3-4.8) 4.7 (4.3-5.0) 4.5 (4.2-4.8) 0.1916‡
ESCI Adaptability competency score (n=226) median (IQR) 4.0 (3.8-4.5) 4.2 (3.8-4.5) 4.2 (3.8-4.6) 3.8 (3.5-4.3) 0.0123‡
ESCI Conflict Management competency score (n=226) mean ± SD 3.9 ± 0.6 4.0 ± 0.6 4.0 ± 0.6 3.8 ± 0.5 0.2066
ESCI Coach and Mentor competency score (n=226) median (IQR) 4.0 (3.7-4.3) 4.0 (3.7-4.3) 4.2 (3.7-4.5) 3.8 (3.3-4.3) 0.0407‡
ESCI Empathy competency score (n=226) median (IQR) 4.2 (3.8-4.5) 4.2 (4.0-4.5) 4.2 (3.8-4.8) 4.0 (3.7-4.3) 0.0081‡
ESCI Emotional Self-Awareness competency score (n=226) median (IQR) 4.0 (3.7-4.5) 4.2 (3.7-4.5) 4.2 (3.9-4.6) 3.8 (3.3-4.3) 0.0035‡
ESCI Emotional Self-Control competency score (n=226) median (IQR) 4.2 (3.8-4.7) 4.2 (4.0-4.7) 4.2 (3.8-4.7) 4.2 (3.7-4.5) 0.1453‡
ESCI Inspirational Leadership competency score (n=226) mean ± SD 3.7 ± 0.5 3.6 ± 0.5 3.7 ± 0.5 3.6 ± 0.6 0.2046
ESCI Influence competency score (n=226) median (IQR) 3.8 (3.5-4.3) 4.0 (3.5-4.2) 4.0 (3.8-4.5) 3.8 (3.3-4.2) 0.0015‡
ESCI Organizational Awareness competency score (n=226) median (IQR) 4.2 (3.8-4.5) 4.2 (3.8-4.5) 4.2 (4.0-4.7) 4.0 (3.7-4.3) 0.0346‡
ESCI Positive Outlook competency score (n=226) median (IQR) 4.0 (3.8-4.8) 4.3 (4.0-4.8) 4.1 (4.0-4.8) 4.0 (3.5-4.7) 0.0060‡
ESCI Teamwork competency score (n=226) median (IQR) 3.0 (2.8-3.2) 3.0 (2.8-3.2) 3.0 (2.9-3.2) 3.0 (2.8-3.2) 0.6238‡

Data presented are n(%) unless otherwise stated. Percentages might not add to 100% due to rounding. IQR=interquartile range; JSE=Jefferson Scale of Empathy; MBI=Maslach Burnout Inventory; EE=Emotional Exhaustion; DP=Depersonalization; ESCI=Emotional and Social Competency Inventory; SD=Standard Deviation *Chi-Square test was used to calculate p-value; †Fisher’s Exact test was used to calculate p-value; ‡Kruskal-Wallis test was used to calculate p-value; ¶ANOVA was used to calculate p-value; **Unable to compute p-value due to insufficient memory in computer

Int J Med Educ. 2022; 13:198-204; doi: 10.5116/ijme.62cb.f308