Table 2.
Association with risk factors for the pediatric myopia and high myopia
| Non-myopia (−0.50 < SE) | Myopia (SE ≤ -0.5) | OR (95% CI) | P-value | High myopia (SE ≤ -6.0) | OR (95% CI) | P-value | |
|---|---|---|---|---|---|---|---|
| Number | 340 | 643 | 68 | ||||
| Age (years) | 1.27 (1.18, 1.37) | <.001 | 1.44 (1.26, 1.64) | <.001 | |||
| Mean (SD) | 9.39 (0.31) | 13.31 (0.16) | 15.40 (0.30) | ||||
| Median (IQR) | 7.71 (5.65, 11.30) | 13.45 (10.39, 15.66) | 15.36 (13.31, 16.65) | ||||
| BMI (kg/m2) | 1.04 (0.97, 1.12) | 0.239 | 1.19 (1.04, 1.36) | 0.009 | |||
| Mean (SD) | 17.76 (0.28) | 20.33 (0.21) | 22.58 (0.61) | ||||
| Median (IQR) | 16.83 (15.17, 19.53) | 19.77 (17.37, 22.63) | 21.80 (19.56, 24.72) | ||||
| Parental myopia, n (%) | 210 (61.76) | 477 (74.18) | 1.84 (1.27, 2.68) | 0.002 | 56 (82.35) | 3.48 (1.28, 9.46) | 0.015 |
| Near work, n (%) | |||||||
| ≤ 1 h/D | 60 (51.25) | 54 (48.75) | Reference | 4 (5.88) | Reference | ||
| 1–2 h/D | 139 (38.56) | 181 (61.44) | 1.05 (0.6, 1.85) | 0.856 | 17 (25.00) | 0.98 (0.31, 3.09) | 0.970 |
| 3 h/D | 68 (24.64) | 145 (75.36) | 1.53 (0.86, 2.7) | 0.144 | 12 (17.65) | 0.77 (0.18, 3.22) | 0.717 |
| 4 h/D ≤ | 73 (18.85) | 263 (81.15) | 1.38 (0.77, 2.49) | 0.282 | 35 (51.47) | 1.12 (0.35, 3.56) | 0.852 |
| Accompanying disease, n (%) | |||||||
| Atopic dermatitis | 56 (16.47) | 100 (15.55) | 1.04 (0.72, 1.5) | 0.838 | 156 (15.87) | 0.62 (0.21, 1.9) | 0.403 |
| Sinusitis | 20 (5.88) | 41 (6.38) | 0.70 (0.28, 1.75) | 0.441 | 61 (6.21) | 0.63 (0.11, 3.44) | 0.588 |
All data are expressed as n (%) for categorical variables or mean (SD), median (IQR) for continuous variables
SE spherical equivalent; OR odds ratio; CI confidence interval; SD standard deviation; IQR interquartile range; BMI body max index;
P-values are calculated using the multivariavle logistic regression