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Table 2 Prevalence rate and categories of myopia

From: Prevalence of myopia and associated risk factors among primary students in Chongqing: multilevel modeling

VariablesMyopia (%; 95% CI)Myopia categories n (%)
LowModerateHigh
Total33.9; 31.0–36.8258 (76.3)73 (21.6)7 (2.1)
School region
 Rural30.1; 27.2–33.1104 (80.6)23 (17.8)2 (1.6)
 Urban36.7; 33.8–39.7154 (73.7)50 (23.9)5 (2.4)
Gender
 Male30.0; 27.1–33.0120 (76.4)35 (22.3)2 (1.3)
 Female38.2; 35.2–41.1138 (76.2)38 (21.0)5 (2.8)
Age (years)
 79.9; 5.0–14.914 (100)0 (0)0 (0)
 89.6; 4.7–14.612 (92.3)1 (7.7)0 (0)
 924.8; 18.0–31.730 (78.9)6 (15.8)2 (5.3)
 1040.2; 33.0–47.458 (80.6)13 (18.1)1 (1.3)
 1152.8; 45.8–59.870 (68.0)31 (30.1)2 (1.9)
 1248.8; 41.4–56.362 (73.8)20 (23.8)2 (2.4)
 1363.6; 43.5–83.712 (85.7)2 (14.3)0 (0)
  1. CI confidence interval