Table 2.
Associations (univariate analysis) between the significant myopic shift (defined as of right eye spherical equivalent refraction (SER)≤-0. 50D change between follow-up and baseline within one year) and associated factors in primary school children
| SER≤-0.50D Change | SER>-0.50D Change | P value | |
|---|---|---|---|
| Age (Years) | 8.65±1.51 | 8.29±1.56 | <0.001 |
| Sex n (%) | |||
| Male | 1025(49.7) | 1038(50.3) | 0.049 |
| Female | 1057(52.8) | 946(47.2) | |
| Region of Habitation n(%) | |||
| Rural | 1193(47.6) | 1312(52.4) | <0.001 |
| Urban | 977(56.4) | 754(43.6) | |
| Parental Myopia n(%) | |||
| Both Not Myopic | 1041(45.5) | 1249(54.5) | <0.001 |
| Father Myopic or Mother Myopic | 707(53.9) | 604(46.1) | |
| Both Myopic | 352 (67.3) | 171(32.7) | |
| Refractive Error of Right Eye at Baseline (Diopters) | -0.88±1.48 | -0.33±1.00 | <0.001 |
| Time Outdoors for Leisure (Hours/Day) | 1.03±0.65 | 1.40±0.70 | <0.001 |
| Time Outdoors for Sports (Hours/ Day) | 0.89±0.61 | 0.86±0.66 | 0.154 |
| Time Spent for Near-Work (Hours/Day) |
7.74±2.93 | 7.68±3.02 | 0.400 |
| Distance from Near-Work n (%) | |||
| Adequate | 379(43.3) | 497(56.7) | <0.001 |
| Close | 1616(53.4) | 1412(46.6) | |
| Active Rest During Study | |||
| Often | 900(49.2) | 931(50.8) | 0.061 |
| Common | 622(53.0) | 552(47.0) | |
| Occasionally | 648(52.6) | 583(47.4) |