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Table 2 Association with risk factors for the pediatric myopia and high myopia

From: Factors associated with myopia in Korean children: Korea National Health and nutrition examination survey 2016–2017 (KNHANES VII)

 

Non-myopia (−0.50 < SE)

Myopia (SE ≤ -0.5)

OR (95% CI)

P-value

High myopia (SE ≤ -6.0)

OR (95% CI)

P-value

Number

340

643

  

68

  

Age (years)

  

1.27 (1.18, 1.37)

<.001

 

1.44 (1.26, 1.64)

<.001

 Mean (SD)

9.39 (0.31)

13.31 (0.16)

  

15.40 (0.30)

  

 Median (IQR)

7.71 (5.65, 11.30)

13.45 (10.39, 15.66)

  

15.36 (13.31, 16.65)

  

BMI (kg/m2)

  

1.04 (0.97, 1.12)

0.239

 

1.19 (1.04, 1.36)

0.009

 Mean (SD)

17.76 (0.28)

20.33 (0.21)

  

22.58 (0.61)

  

 Median (IQR)

16.83 (15.17, 19.53)

19.77 (17.37, 22.63)

  

21.80 (19.56, 24.72)

  

Parental myopia, n (%)

210 (61.76)

477 (74.18)

1.84 (1.27, 2.68)

0.002

56 (82.35)

3.48 (1.28, 9.46)

0.015

Near work, n (%)

  ≤ 1 h/D

60 (51.25)

54 (48.75)

Reference

 

4 (5.88)

Reference

 

 1–2 h/D

139 (38.56)

181 (61.44)

1.05 (0.6, 1.85)

0.856

17 (25.00)

0.98 (0.31, 3.09)

0.970

 3 h/D

68 (24.64)

145 (75.36)

1.53 (0.86, 2.7)

0.144

12 (17.65)

0.77 (0.18, 3.22)

0.717

 4 h/D ≤

73 (18.85)

263 (81.15)

1.38 (0.77, 2.49)

0.282

35 (51.47)

1.12 (0.35, 3.56)

0.852

Accompanying disease, n (%)

 Atopic dermatitis

56 (16.47)

100 (15.55)

1.04 (0.72, 1.5)

0.838

156 (15.87)

0.62 (0.21, 1.9)

0.403

 Sinusitis

20 (5.88)

41 (6.38)

0.70 (0.28, 1.75)

0.441

61 (6.21)

0.63 (0.11, 3.44)

0.588

  1. All data are expressed as n (%) for categorical variables or mean (SD), median (IQR) for continuous variables
  2. SE spherical equivalent; OR odds ratio; CI confidence interval; SD standard deviation; IQR interquartile range; BMI body max index;
  3. P-values are calculated using the multivariavle logistic regression