Table 2.
Comparison of myopia spectacles wearing and full correction among primary school, junior high school, and high school students in Chengdu n (%).
| Participant | Characteristics | Myopia n | Myopia spectacle wear n (%) | Myopia full-correction n (%) | Correct utilization of myopia spectacles n (%) |
|---|---|---|---|---|---|
| Gender | all | 203152 | 133469 (65.7) | 67389 (50.5) | 67389 (33.2) |
| male | 101239 | 64222 (63.4) | 32918 (51.3) | 32918 (32.5) | |
| Female | 101913 | 69247 (68.0) | 34471 (49.8) | 34471 (33.8) | |
| P values | <0.001a | <0.001a | <0.001a | ||
| Age(year) | 6 | 3791 | 670 (17.7) a | 281 (41.9) a | 281 (7.4) a |
| 7 | 5364 | 1537 (28.7) b | 706 (45.9) a, b, c, d, e, f | 706 (13.2) b | |
| 8 | 8797 | 3690 (42.0) c | 1666 (45.2) a, f | 1666 (18.9) c | |
| 9 | 13637 | 6804 (49.9) d | 3261 (47.9) b, c, d, e, g | 3261 (23.9) d | |
| 10 | 16519 | 9161 (55.5) e | 4273 (46.6) d, e, f | 4273 (25.9) e | |
| 11 | 18696 | 10936 (58.5) f | 5116 (46.8) c, e, f | 5116 (27.4) f | |
| 12 | 22253 | 14393 (64.7) g | 7005 (48.7) g | 7005 (31.5) g | |
| 13 | 23322 | 16494 (70.7) h | 7931 (48.1) b, g | 7931 (34.0) h | |
| 14 | 23806 | 17507 (73.5) i | 8241 (47.1) b, c, d, e | 8241 (34.6) h | |
| 15 | 24311 | 18672 (76.8) j | 10092 (54.1) h | 10092 (41.5) i | |
| 16 | 19258 | 15068 (78.2) k | 8518 (56.5) i | 8518 (44.2) j | |
| 17 | 16865 | 13343 (79.1) l | 7527 (56.4) i | 7527 (44.6) j | |
| 18 | 6533 | 5194 (79.5) l | 2772 (53.4) h | 2772 (42.4) i | |
| P values | <0.001a | <0.001a | <0.001a | ||
| Education level | elementary school | 75472 | 38231 (50.7) a | 17773 (46.5) a | 17773 (23.6) a |
| middle school | 72733 | 52089 (71.6) b | 24867 (47.7) b | 24867 (34.2) b | |
| high school | 54947 | 43149 (78.5) c | 24749 (57.4) c | 24749 (45.0) c | |
| P values | <0.001a | <0.001a | <0.001a |
a
Indicates that there is statistical significance in the differences between different groups. The same letters a-l indicate that there was no statistically significant difference between the two groups.