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Table 1 Overall and group-level sample characteristics

From: Examining the measurement equivalence of the Maslach Burnout Inventory across age, gender, and specialty groups in US physicians

Characteristic

Overall Sample,

n (%) a

Emotional exhaustion subscale (n = 6264), mean total score (SD)

Depersonalization subscale (n = 6403), mean total score (SD)

Personal accomplishment subscale (n = 6201), mean total score (SD)

Overall

6577 (100)

25.74 (13.45)

8.07 (6.55)

40.03 (6.67)

Age group

 < 35 years

319 (5.0)

26.60 (12.77)

10.28 (7.06)

38.83 (6.35)

 35–44 years

1201 (18.8)

27.98 (12.34)

9.90 (6.67)

38.54 (6.65)

 45–54 years

1379 (21.6)

28.58 (12.93)

9.07 (6.78)

39.60 (6.57)

 55–64 years

2129 (33.4)

27.15 (12.93)

7.90 (6.36)

40.35 (6.55)

65 years

1349 (21.2)

17.97 (13.09)

5.23 (5.27)

41.86 (6.23)

Missing

200 (3.1)

--

--

--

Gender

Male

4287 (67.2)

24.66 (13.55)

7.99 (6.60)

40.36 (6.64)

 Female

2090 (32.8)

27.79 (12.98)

8.28 (6.45)

39.49 (6.47)

 Missing

200 (3.1)

--

--

--

Specialty

 Anesthesiology

227 (3.5)

25.14 (12.63)

7.75 (5.97)

38.75 (7.78)

 Dermatology

160 (2.5)

26.18 (12.95)

7.12 (5.75)

42.06 (5.41)

 Emergency Medicine

342 (5.2)

29.09 (12.89)

12.86 (7.65)

37.95 (7.38)

 Family Medicine

516 (7.9)

28.73 (13.72)

9.20 (6.66)

40.66 (5.93)

General Internal Medicine

444 (6.8)

28.06 (13.87)

8.63 (6.86)

39.89 (6.74)

 General Pediatrics

354 (5.4)

23.81 (13.41)

6.49 (5.61)

40.18 (6.59)

 General Surgery

244 (3.7)

24.17 (12.90)

8.26 (6.40)

40.11 (5.97)

 General surgery subspecialty

363 (5.6)

23.87 (13.27)

7.49 (5.92)

40.34 (6.46)

 Internal Medicine-subspecialty

750 (11.5)

26.08 (12.93)

7.40 (6.18)

40.40 (6.15)

 Neurology

235 (3.6)

27.90 (13.63)

8.67 (6.60)

39.93 (6.44)

 Neurosurgery

55 (0.8)

27.08 (12.36)

8.17 (5.59)

38.59 (7.68)

 Obstetrics and gynecology (OBGYN)

281 (4.3)

25.18 (13.59)

8.06 (6.07)

40.64 (6.20)

 Ophthalmology

230 (3.5)

24.27 (13.88)

7.70 (6.81)

40.92 (6.29)

 Orthopedic surgery

232 (3.6)

25.95 (13.23)

9.47 (6.95)

41.21 (6.17)

 Other

223 (3.4)

22.54 (14.09)

7.14 (6.86)

40.03 (6.62)

 Otolaryngology

160 (2.5)

25.58 (13.18)

7.92 (5.71)

41.04 (5.60)

 Pathology

155 (2.4)

24.71 (14.21)

6.82 (6.34)

35.02 (9.19)

 Pediatric subspecialty

309 (4.7)

24.39 (12.49)

6.40 (5.49)

39.91 (6.45)

 Physical medicine and rehabilitation/Preventive medicine, occupational medicine, or environmental medicine

272 (4.2)

24.15 (13.86)

8.03 (6.89)

39.40 (7.42)

 Psychiatry

545 (8.4)

23.46 (13.27)

7.52 (6.32)

40.90 (6.47)

 Radiation Oncology

63 (1.0)

23.57 (12.69)

5.84 (5.02)

42.23 (5.32)

 Radiology

246 (3.8)

27.92 (12.86)

7.31 (6.29)

37.93 (7.41)

 Urology

115 (1.8)

29.08 (14.23)

9.72 (7.41)

39.79 (7.06)

 Missing

56 (0.9)

--

--

--

  1. a Percentages may not add to 100 due to rounding; bolded group is reference group in DIF analyses. “--” = not applicable