Table 1.

Demographic data and psychiatric tests of healthy volunteers, Airline pilots, and MDD patients.

Group	n	Age: mean (SEM)	Gender: female/male	HDRS: mean (SEM)	BDI: mean (SEM)
Healthy V (HV)	11	29.82 (1.39)	3/8	0.72 (0.42)	1.54 (0.83)
A. Pilots (AP)	79	37.32 (1.31)	2/77	1.92 (0.10)	0.87 (0.17)
Patients (MDD)	39	35.08 (1.75)	31/8	23.87 (1.06)***	29.97 (1.50)***

^***p < 0.001: MDD vs. HV and MDD vs. AP.