Table 2.

Demographics of all randomized subjects.

	Test group (n = 171)	Control group (n = 171)	Total (n = 342)
Age (years)
Mean (SD)	29.5 (5.44)	30.0 (5.63)	29.7 (5.53)
Median	30.0	30.0	30.0
Range	18.0–39.0	18.0–39.0	18.0–39.0
Sex, n (%)
Female	117 (68.4%)	117 (68.4%)	234 (68.4%)
Male	54 (31.6 %)	54 (31.6 %)	108 (31.6 %)
Race, n (%)
White	141 (82.5%)	145 (84.8%)	286 (83.6%)
Black or African American	15 (8.8%)	15 (8.8%)	30 (8.8%)
Asian	12 (7.0%)	8 (4.7%)	20 (5.8%)
Native Hawaiian or Other Pacific Islander	3 (1.8%)	1 (0.6%)	4 (1.2%)
Multiple	0 (0.0%)	2 (1.2%)	2 (0.6%)
Habitual lens replacement, n (%)
Daily Disposable	118 (69.0%)	116 (67.8%)	234 (68.4%)
Daily Reusable	53 (31.0%)	55 (32.2%)	108 (31.6%)
Iris category, n (%)
Dark Iris	112 (65.5%)	95 (55.6%)	207 (60.5%)
Light Iris	59 (34.5%)	76 (44.4%)	135 (39.5%)