Table 2.

Distribution of Baseline Characteristics

	N	%
Total Participants	652	100%
Sex
Female	388	60%
Male	264	40%
Age (years)
3 to <5	241	37%
5 to <7	216	33%
7 to <9	115	18%
9 to <11	80	12%
Mean (SD)	6.1 (2.0)
Range	3.0 to 10.9
Race/Ethnicity
White	396	61%
Black/African American	90	14%
Hispanic	110	17%
Asian	22	3%
Native Hawaiian/Other Pacific Islander	2	<1%
American Indian/Alaskan Native	2	<1%
More than one race	18	3%
Unknown/not reported	12	2%
Treatment Prior to Enrollment
Yes	253	39%
No	399	61%
Anisometropia
Yes	88	13%
No	564	87%