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Table 7 Multivariable logistic regression analysis of factors associated with astigmatism type among individuals with astigmatism ≤-0.75 D (N = 25,945)

From: Prevalence and risk factors for astigmatism in 7 to 19-year-old students in Xinjiang, China: a cross-sectional study

Characteristics

With-the-Rule Astigmatism

Against-the-Rule Astigmatism

Oblique Astigmatism

OR (95%CI)

P-Value

OR (95%CI)

P-Value

OR (95%CI)

P-Value

Age (year)

      

7

Reference

 

Reference

 

Reference

 

8

1.155 (1.068–1.249)

< 0.001

1.025 (0.860–1.222)

0.779

0.990 (0.796–1.230)

0.925

9

1.089 (1.007–1.178)

0.032

0.989 (0.829–1.180)

0.902

1.176 (0.955–1.448)

0.127

10

1.067 (0.986–1.155)

0.106

1.046 (0.879–1.246)

0.61

1.169 (0.949–1.440)

0.143

11

1.090 (1.009–1.178)

0.029

1.099 (0.927–1.303)

0.276

1.095 (0.889–1.349)

0.392

12

1.220 (1.128–1.320)

< 0.001

1.310 (1.107–1.551)

0.002

1.510 (1.234–1.847)

< 0.001

13

1.384 (1.272–1.505)

< 0.001

1.410 (1.182–1.681)

< 0.001

1.928 (1.569–2.370)

< 0.001

14

1.425 (1.307–1.553)

< 0.001

1.484 (1.242–1.773)

< 0.001

2.017 (1.636–2.486)

< 0.001

15

1.667 (1.524–1.823)

< 0.001

1.553 (1.290–1.869)

< 0.001

2.374 (1.919–2.936)

< 0.001

16

1.635 (1.478–1.809)

< 0.001

1.959 (1.624–2.363)

< 0.001

3.267 (2.633–4.054)

< 0.001

17

1.633 (1.477–1.807)

< 0.001

1.761 (1.453–2.136)

< 0.001

3.251 (2.619–4.035)

< 0.001

18

1.644 (1.468–1.842)

< 0.001

1.945 (1.592–2.377)

< 0.001

2.685 (2.105–3.424)

< 0.001

19

1.194 (0.989–1.441)

0.065

1.602 (1.205–2.130)

0.001

2.495 (1.773–3.511)

< 0.001

Gender

      

Female

Reference

 

Reference

 

Reference

 

Male

1.211 (1.171–1.253)

< 0.001

1.030 (0.960–1.106)

0.411

1.131 (1.044–1.225)

0.003

Nationality

      

Han

2.406 (2.275–2.545)

< 0.001

0.581 (0.529–0.638)

< 0.001

1.185 (1.056–1.330)

0.004

Uyghur

Reference

 

Reference

 

Reference

 

Kazakhs

1.766 (1.550–2.012)

< 0.001

0.919 (0.728–1.160)

0.478

1.052 (0.782–1.415)

0.738

Hui

1.923 (1.774–2.084)

< 0.001

0.512 (0.431–0.607)

< 0.001

0.913 (0.753–1.106)

0.352

Kyrgyz

1.134 (1.038–1.240)

0.005

1.593 (1.422–1.784)

< 0.001

1.172 (0.995–1.381)

0.057

Others

2.159 (1.931–2.413)

< 0.001

0.669 (0.529–0.847)

0.001

1.216 (0.944–1.564)

0.13

Spherical equivalent (right eye)

      

SE<-0.50 D

1.516 (1.458–1.576)

< 0.001

1.714 (1.580–1.859)

< 0.001

1.733 (1.577–1.904)

< 0.001

-0.50 D ≤ SE ≤ + 0.50 D

Reference

 

Reference

 

Reference

 

SE > + 0.50 D

3.206 (2.944–3.493)

< 0.001

4.076 (3.528–4.709)

< 0.001

5.430 (4.621–6.379)

< 0.001

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BMC Ophthalmology

ISSN: 1471-2415

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