Table 1. Baseline Demographic and Clinical Characteristics (Intention-to-Treat Set).
| Characteristic | Placebo (n = 165) | Atropine, 0.01% (n = 164) | Atropine, 0.02% (n = 247) |
|---|---|---|---|
| Age, mean (SD), y | 8.8 (1.8) | 9.0 (2.1) | 9.0 (2.1) |
| < 9 y, No. (%) | 63 (38.2) | 64 (39.0) | 94 (38.1) |
| ≥ 9 y, No. (%) | 102 (61.8) | 100 (61.0) | 153 (61.9) |
| Sex, No. (%) | |||
| Female | 94 (57.0) | 85 (51.8) | 136 (55.1) |
| Male | 71 (43.0) | 79 (48.2) | 111 (44.9) |
| Ethnicity, No. (%) | |||
| Hispanic or Latino | 47 (28.5) | 44 (26.8) | 64 (25.9) |
| Not Hispanic | 112 (67.9) | 114 (69.5) | 171 (69.2) |
| Race, No. (%) | |||
| American Indian or Alaskan Native | 1 (0.6) | 3 (1.8) | 3 (1.2) |
| Asian | 26 (15.8) | 29 (17.7) | 54 (21.9) |
| Black or African American | 27 (16.4) | 23 (14.0) | 31 (12.6) |
| Native Hawaiian or Other Pacific Islander | 3 (1.8) | 1 (0.6) | 0 |
| White | 93 (56.4) | 84 (51.2) | 132 (53.4) |
| Other (including missing)a | 15 (9.1) | 24 (14.6) | 27 (10.9) |
| Refractive error range, No. (%) | |||
| Less myopic (SER: −0.50 to −3.00 D) | 111 (67.3) | 110 (67.1) | 164 (66.4) |
| More myopic (SER: −3.01 to −6.00 D) | 54 (32.7) | 54 (32.9) | 83 (33.6) |
Abbreviations: D, diopter; SER, spherical equivalent refractive error.
a
Other includes races other than those listed in the table and missing race and ethnicity.