Research Article
[Retracted] Refractive Errors and Risk Factors for Myopia in Primary School Students in Urumqi
Table 1
General characteristics of study the subjects.
| | Age | Ethnic group | Gender | Total | | Ethnic Han | Ethnic minorities | Males | Females |
| | >7 | 68 (36.96) | 116 (63.04) | 104 (56.52) | 80 (43.48) | 184 (18.93) | | >8 | 66 (28.33) | 167 (71.67) | 115 (49.36) | 118 (50.64) | 233 (23.97) | | >9 | 67 (31.60) | 145 (78.80) | 89 (48.37) | 123 (66.85) | 212 (21.81) | | >10 | 67 (41.88) | 93 (58.13) | 69 (43.13) | 91 (56.88) | 160 (16.46) | | >11 | 71 (38.80) | 112 (61.20) | 96 (52.46) | 87 (47.54) | 183 (18.83) | | Total | 339 (34.88) | 633 (65.12) | 473 (48.66) | 499 (51.34) | 972 (100.00) |
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