Table 1.
Characteristics of Emmetropic and Became-Myopic Subjects
| Emmetropes n (%) | Became Myopes n (%) | |
|---|---|---|
| Sex | ||
| Female | 270 (46.0) | 409 (56.0) |
| Male | 317 (54.0) | 322 (44.0) |
| Ethnicity | ||
| African American | 108 (18.4) | 101 (13.8) |
| Asian | 51 (8.7) | 169 (23.1) |
| Hispanic | 105 (17.9) | 214 (29.3) |
| Native American | 103 (17.6) | 67 (9.2) |
| White | 220 (37.5) | 180 (24.6) |
| Study visits with activity data, n | ||
| 1 | 171 (29.1) | 21 (2.9) |
| 2 | 117 (19.9) | 55 (7.5) |
| 3 | 127 (21.6) | 81 (11.1) |
| 4 | 45 (7.7) | 101 (13.8) |
| 5 | 52 (8.9) | 148 (20.3) |
| 6 | 42 (7.2) | 122 (16.7) |
| 7 | 16 (2.7) | 100 (13.7) |
| 8 | 17 (2.9) | 102 (14.0) |
| 9 | 0 (0.0) | 1 (0.1) |