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Table 4 DIF detection and magnitude results by item and demographic variable – Personal Accomplishment subscale

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

  

Item-Level sDRF Estimate (95% CI) [absolute item-level sDRF estimate expressed in item SD units] a

Demographic Variable (Reference group)

Focal group

PA1 (easily understand patients)

PA2 (deal effectively with patient problems)

PA3 (positively influencing others)

PA4 (feel energetic)

PA5 (can create relaxed atmosphere)

PA6 (exhilarated)

PA7 (accomplished many things)

PA8 (deal with problems calmly)

Gender (Male)

Female

−0.21 (− 0.26, − 0.16) [0.20] §

--

--

0.13 (0.06, 0.20) [0.09] §

--

− 0.10 (− 0.17, − 0.02) [0.06]

--

--

Age Category (≥ 65 years)

< 35 years

− 0.14 (− 0.24, − 0.02) [0.13] §

− 0.11 (− 0.18, − 0.03) [0.11] §

0.05 (− 0.05, 0.16) [0.04] ¥

0.16 (0.02, 0.31) [0.11] §

--

--

0.25 (0.14, 0.38) [0.19]

--

35–44 years

− 0.21 (− 0.30, − 0.12) [0.20] §

−0.20 (− 0.29, − 0.13) [0.19] §

--

0.20 (0.08, 0.31) [0.13] §

--

0.05 (− 0.07, 0.16) [0.03] ¥

0.23 (0.14, 0.32) [0.17] §

--

45–54 years

−0.27 (− 0.35, − 0.18) [0.24] §

−0.26 (− 0.34, − 0.18) [0.25] §

--

0.15 (0.03, 0.26) [0.10] §

−0.12 (− 0.21, − 0.02) [0.09] §

--

--

--

55–64 years

−0.22 (− 0.31, − 0.13) [0.20] §

−0.17 (− 0.25, − 0.10) [0.17]

--

0.29 (0.20, 0.39) [0.19] §

-- 

0.19 (0.09, 0.28) [0.12] §

--

--

Specialty (General Internal Medicine)

Anesthesiology

        

Emergency medicine

--

--

--

− 0.30 (− 0.46, − 0.14) [0.20] §

--

--

--

--

Family medicine

--

--

--

--

--

--

--

--

General pediatrics

--

--

--

--

--

--

--

--

General surgery

--

--

--

--

--

--

--

--

General surgery subspecialty

0.23 (0.10, 0.36) [0.21]

--

--

--

--

--

--

0.30 (0.14, 0.46) [0.26] §

Internal medicine subspecialty

--

--

--

--

--

--

--

--

Neurology

--

--

− 0.19 (− 0.33, − 0.05) [0.19]

--

--

--

--

--

Obstetrics and gynecology

--

--

--

--

--

--

 --

--

Ophthalmology

--

--

--

--

--

--

− 0.33 (− 0.47, − 0.17) [0.25] §

0.25 (0.09, 0.41) [0.21] §

Orthopedic surgery

--

--

--

--

--

--

--

--

Pediatric subspecialty

--

--

--

--

--

--

--

--

Physical medicine and rehabilitation/preventive medicine/occupational medicine

--

--

--

--

--

--

--

--

Psychiatry

--

--

--

--

--

--

--

− 0.24 (− 0.33, − 0.14) [0.21] §

Radiology

--

--

--

--

--

--

--

--

  1. a “--” = no DIF detected. § DIF significant (Benjamini-Hochberg adjusted p < 0.05) in both the Likelihood Ratio Test (LRT) and item-level signed Differential Response Functioning (sDRF) statistic detection method; ¥ DIF significant (Benjamini-Hochberg adjusted p < 0.05) in the Likelihood Ratio Test (LRT) detection method only; DIF significant (Benjamini-Hochberg adjusted p < 0.05) in the item-level sDRF statistic detection method only. Mean (raw) item scores from the PA calibration sample (n = 6201) in Brady et al. [11] were: PA1 = 5.41 (SD = 1.10), PA2 = 5.51 (SD = 1.03), PA3 = 5.22 (SD = 1.20), PA4 = 4.30 (SD = 1.50), PA5 = 5.26 (SD = 1.29), PA6 = 4.24 (SD = 1.62), PA7 = 4.91 (SD = 1.33), PA8 = 5.17 (SD = 1.17)