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. 2020 May 19;10:8249. doi: 10.1038/s41598-020-65078-x

Table 4.

Multivariable regression of myopia and high myopia in Han and Yugur adults aged 40–80 in Gansu, China, 2016.

Myopia High myopia
Odds Ratio 95% CI lower 95% CI upper P Odds Ratio 95% CI lower 95% CI upper P
Race
   Han 1.00 NA NA NA 1.00 NA NA NA
   Yugur 0.56 0.45 0.69 <0.001 0.33 0.15 0.73 0.006
Age range
   40–49 1.00 NA NA NA 1.00 NA NA NA
   50–59 0.71 0.60 0.86 <0.001 0.65 0.43 1.00 0.049
   60–69 0.84 0.65 1.09 0.185 0.49 0.25 0.97 0.039
   70–80 1.64 1.02 2.63 0.041 0.27 0.06 1.20 0.085
Sex
   Male 1.00 NA NA NA 1.00 NA NA NA
   Female 0.83 0.63 1.08 0.168 1.06 0.59 1.91 0.838
Birthplace
   Urban 1.00 NA NA NA 1.00 NA NA NA
   Rural 0.69 0.56 0.85 <0.001 0.61 0.40 0.94 0.025
Education
   Primary school or below 1.00 NA NA NA 1.00 NA NA NA
   Middle/high school 1.48 1.18 1.85 0.001 0.59 0.31 1.15 0.125
   Undergraduate/graduate 3.62 2.73 4.82 <0.001 0.62 0.30 1.30 0.205
Occupation
   Indoor 1.00 NA NA NA 1.00 NA NA NA
   Outdoor 0.64 0.51 0.80 <0.001 0.57 0.28 1.15 0.117
   Activity level 0.88 0.74 1.04 0.137 0.95 0.64 1.41 0.800
Smoking status
   Never-smoke 1.00 NA NA NA 1.00 NA NA NA
   Ever-smoke 0.69 0.52 0.90 0.007 0.61 0.32 1.16 0.132
Hypertension
   Without 1,00 NA NA NA 1.00 NA NA NA
   With 1.17 0.97 1.40 0.092 1.01 0.66 1.56 0.954
Diabetes
   Without 1.00 NA NA NA 1.00 NA NA NA
   With 1.01 0.74 1.37 0.948 1.71 0.91 3.23 0.098
Myopia family history
   0 1.00 NA NA NA 1.00 NA NA NA
   1 2.83 1.22 6.51 0.015 4.32 1.74 10.7 0.002
   2 4.67 0.52 42.3 0.170 22.3 2.41 206.1 0.006

Note: CI, confidence interval. High Myopia was defined as SE < −6.0D. Myopia was defined as SE < −0.5D. Myopia family history: 0: no parent was myopic; 1: only one parent was myopic; 2: both parents were myopic. Activity level was defaulted to be continuous variables for statistics.