TABLE 1.

Characteristics of the Commercial Pilots in the Study

Variable	M	SD
Demographics
Age (years)	20.80	1.90
Education (years)	13.80	1.00
Flight time (total hours)	146.60	38.60
Instrument time (total hours)	45.50	39.50
Health status
Body mass index (BMI)	24.80	3.50
Sleep index (scores)	92.18	4.26
Activity levels (score)	269.61	176.16
Anxiety (Zung’s Self-Rating Anxiety Scale)
Anxiety (score)	36.64	6.71
Environmental factors
Cockpit noise (decimeter level)	75.40	4.30
Cockpit temperature (degrees Fahrenheit)	74.67	1.64

Note. N = 45.