Table 4 Smartphone usage and myopic progression group comparison
Variable | Myopia Progression Group (≥ 0.50D/year) | Non-Progression Group (< 0.50D/year) | p-value |
|---|---|---|---|
Daily Smartphone Usage (hrs) | 5.1 ± 1.2 | 3.4 ± 1.0 | < 0.001 |
Outdoor Activity (hrs/day) | 1.2 ± 0.6 | 2.1 ± 0.8 | < 0.001 |
Screen Distance (cm) | 25.8 ± 5.4 | 31.4 ± 6.2 | < 0.001 |
Parental Myopia (Yes/No) | 186 (65.5%) / 98 (34.5%) | 116 (44.4%) / 145 (55.6%) | < 0.001 |