Table 3 The Association Between refractive errors and Iris Color in Multiple Logistic Regression Models.
From: The association between iris color and refractive errors in children
Independent variables | Myopia | Hyperopia | |||
|---|---|---|---|---|---|
(Odds ratio (95% CI)) | P value | (Odds ratio (95% CI)) | P value | ||
Iris color | Dark Brown | Reference group | – | Reference group | – |
Light Brown | 1.02 (0.69–1.51) | 0.936 | 1.29 (0.85–1.96) | 0.230 | |
Amber | 4.79 (1.23–18.70) | 0.024 | 0.87 (0.11–6.85) | 0.898 | |
Light Blue | 0.81 (0.11–5.76) | 0.833 | 2.36 (0.54–10.30) | 0.251 | |
Green | 0.36 (0.05–2.73) | 0.321 | 1.47 (0.41–5.29) | 0.554 | |
Hazel | 0.62 (0.21–1.82) | 0.385 | 0.81 (0.26–2.53) | 0.720 | |
Age (year) | 1.21 (1.08–1.35) | 0.001 | 0.80 (0.73–0.88) | < 0.001 | |
Female gender | 0.16 (0.03–1.08) | 0.060 | 1.42 (0.99–2.02) | 0.055 | |
Age * Sex (Girl) | 1.21 (1.02–1.44) | 0.031 | – | – | |
Urban residence | 1.75 (1.15–2.65) | 0.009 | 0.94 (0.62–1.43) | 0.786 | |
Outdoor activity time (hour/day) | 0.999 (0.997–1.001) | 0.314 | 0.999 (0.996–1.001) | 0.339 | |
Time spent for watching TV and digital games (hour/day) | 1.001 (0.999–1.003) | 0.228 | 1.002 (1.000–1.004) | 0.052 | |