Multivariate Model 1: without including spherical equivalent * | Multivariate Model 2: including spherical equivalent§ | |||
---|---|---|---|---|
Characteristics | Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value |
Grade | 0.04 | 0.17 | ||
Kindergarten | Reference | Reference | ||
Grade 1 | 3.15 (0.83, 12.0) | 3.11 (0.80, 11.9) | ||
Grade 2 | 1.79 (0.42, 7.53) | 1.61 (0.37, 6.97) | ||
Grade 3 | 1.41 (0.31, 6.33) | 1.13 (0.24, 5.29) | ||
Grade 4 | 2.55 (0.65, 9.95) | 2.04 (0.49, 8.47) | ||
Grade 5 | 1.45 (0.32, 6.63) | 0.78 (0.16, 3.78) | ||
Grade 6 | 4.33 (1.21, 15.5) | 2.03 (0.52, 7.80) | ||
Grade 7 | 2.11 (0.52, 8.47) | 0.86 (0.19, 3.83) | ||
Grade 8 | 2.56 (0.66, 9.97) | 0.86 (0.20, 3.72) | ||
Grade 9 | 4.69 (1.31, 16.8) | 1.47 (0.36, 5.91) | ||
Grade 10 | 2.05 (0.51, 8.32) | 0.48 (0.11, 2.19) | ||
Grade 11 | 5.23 (1.48, 18.4) | 1.22 (0.30, 4.87) | ||
Grade 12 | 4.71 (1.34, 3.12) | 1.05 (0.26, 4.18) | ||
Gender | 0.001 | 0.0004 | ||
Male | 2.03 (1.32, 3.12) | 2.21 (1.43, 3.42) | ||
Female | Reference | Reference | ||
School location | 0.63 | 0.69 | ||
Urban | 1.11 (0.73, 1.68) | 1.09 (0.71, 1.66) | ||
Rural | Reference | Reference | ||
Spherical equivalent of more astigmatic eye (Diopters) | < 0.0001 | |||
≤ −6 | 29.6 (10.7, 82.2) | |||
> −6, ≤ −5 | 13.3 (4.39, 40.2) | |||
> −5, ≤ −4 | 6.37 (2.59, 24.7) | |||
> −4, ≤ −3 | 5.19 (1.72, 15.7) | |||
> −3, ≤ −2 | 2.83 (0.89, 9.01) | |||
> −2, ≤ −1 | 4.14 (1.52, 11.2) | |||
> −1, ≤ −0.5 | 1.03 (0.25, 4.17) | |||
> −0.5, < 0.5 | Reference | |||
≥ 0.5 | 5.44 (1.86, 15.9) | |||
AUC = 0.66 (0.61, 0.72) | AUC = 0.79 (0.74, 0.83) |