Table 2:

Results for dark triad traits in 248 health care professionals, by subgroup

SubgroupNo. of participantsTrait; mean score (95% confidence interval)
Narcissism*MachiavellianismPsychopathyPrimary psychopathySecondary psychopathy
Surgeons6015.0 (13.6–16.4)53.5 (51.4–55.6)45.7 (43.2–48.0)27.8 (26.1–29.6)17.8 (16.8–18.8)
Hospital physicians5010.8 (9.3–12.3)53.6 (50.8–56.4)44.3 (41.5–47.1)26.0 (24.1–27.9)18.2 (17.0–19.4)
General practitioners249.1 (7.7–10.5)49.1 (45.8–52.4)40.3 (36.7–43.9)24.1 (21.6–26.6)16.2 (14.7–17.2)
Acute medical physicians4912.2 (10.6–13.8)52.9 (50.3–55.5)44.0 (41.1–46.9)25.9 (23.8–28.1)18.1 (17.0–19.2)
Limited patient contact1610.7 (7.9–13.5)53.9 (51.0–56.8)43.9 (40.2–47.6)25.0 (22.4–27.6)18.9 (17.5–20.5)
Nurses4911.1 (9.6–12.7)53.5 (51.1–55.9)47.3 (44.8–49.8)25.7 (24.0–27.4)20.3 (19.1–21.6)
  • * Narcissistic Personality Inventory: (7) scored 0–40. The higher the score, the higher the level of narcissism.

  • MACH-IV: (12) scored 20–100. The higher the score, the higher the level of Machiavellianism.

  • Levenson Self-Report Psychopathy Scale: (13) scored 26–104. The higher the score, the higher the level of psychopathy.