Table 1.

Values represent means and standard deviations (SD) of demographic variables.

	Caffeine Consumers (n = 30)	Non-Caffeine Consumers (n = 29)
Age (years)	24.1 (4.8)	24.8 (3.4)
Sex (% males)	43.3%	51.7%
Weight (kg)	72.7 (15.1)	70.1(12.2)
Education (%)
Undergraduate	50.0%	13.33%
Graduate	43.3%	86.67%
Employed	6.67%	0%
Caffeine Intake (mg)
Weekly	2110.2(1194.8)	74.7 (64.4)
Daily	301.5 (170.7)	10.7 (9.8)
Time of Last Caffeine Consumption (h)	10.33 (9.3)
Years of Caffeine Consumption	6.7 (4.1)
Preferred Type of Caffeine Administration	Coffee
Physical Activity (minutes of MVPA/week)	1213 (752.8)	1324.19 (1044.3)

h = hours, mg = milligrams, h = hours, MVPA = moderate-to-vigorous physical activity.