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Table 3 Subgroup analysis for the association between WWI and myopia or high myopia

From: Association between weight-adjusted waist index and myopia in adolescents and young adults: results from NHANES 1999–2008

Subgroup

OR (95% CI)

P for interaction

For myopia

  

Sex

 

0.108

 Male

1.026 (0.916, 1.149)

 

 Female

0.907 (0.824, 0.988)

 

Age

 

0.080

 < 20 years

0.970 (0.969, 0.972)

 

 ≥ 20 years

0.868 (0.866, 0.869)

 

For high myopia

  

Sex

 

0.009

 Male

1.220 (0.821, 1.812)

 

 Female

0.636 (0.466, 0.867)

 

Age

 

< 0.001

 < 20 years

0.940 (0.936, 0.945)

 

 ≥ 20 years

0.501 (0.498, 0.503)

 
  1. Sex, age, race, education level, body mass index, serum vitamin D level, poverty income ratio, and TV and computer use time were adjusted
  2. In the subgroup analyses, the model was not adjusted for the stratification variable itself
  3. OR: odds ratio; 95% CI: 95% confidence interval
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BMC Ophthalmology

ISSN: 1471-2415

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