Table 1. General characteristics of airline pilots categorized according to the intensity of depressive symptoms.

BMI: body mass index; BDI-II: Beck Depression Inventory II; ns: not significant

	Pilots with mild depression (n = 12)	Pilots with minimal depressive symptoms (n = 88)	P
Age, years	40 ± 5	39 ± 4	ns
Male sex, n (%)	12 (100)	88 (100)	ns
BMI, kg/m2	24 ± 2	23 ± 3	ns
Education, years	17 ± 2	17 ± 3	ns
BDI-II score	16 ± 2	5 ± 3	<0.001