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Table 3 Characteristics of 2006 visually impaired participants wearing and not wearing glasses

From: Prevalence and causes of visual impairment and rate of wearing spectacles in schools for children of migrant workers in Shanghai, China

  

Wearing glasses

Not wearing glasses

P value

OR (95% CI)

N (%)

N (%)

Sex

Male

167 (53.7)

949 (55.99)

 

1

Female

144 (46.30)

746 (44.01)

0.4959

1.10 (0.86,1.40)

Grade

1

27 (8.68)

211 (12.45)

 

1

2

32 (10.29)

273 (16.11)

0.7514

0.92 (0.53,1.58)

3

51 (16.40)

342 (20.18)

0.5462

1.17 (0.71,1.92)

4

82 (26.37)

417 (24.60)

0.0703

1.54 (0.97,2.45)

5

119 (38.26)

452 (26.67)

0.0016

2.06 (1.31,3.22)

Age (y)

7–8

37 (11.90)

316 (18.64)

 

1

9–10

108 (34.73)

588 (34.69)

0.0265

1.57 (1.05,2.34)

11–12

166 (53.38)

791 (46.67)

0.0026

1.79 (1.23,2.62)

All

 

311 (100.00)

1695 (100.00)

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