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Table 2 Characteristics of the Kazakh participants (CDK vs. Normal group)

From: Prevalence and associated factors for climatic droplet keratopathy in Kazakhs adults: a cross-sectional study in Tacheng, Xinjiang, China

  CDK group Normal group P value
Number 66 964  
Sex    =0.003
 Male 43 440  
 Female 23 524  
Age(range) 55–93 40–86  
Age(year), Mean ± SD 69.50 ± 7.12 53.57 ± 8.85 < 0.001
Height(cm), Mean ± SD 165.26 ± 9.35 162.37 ± 9.45 < 0.001
Weight(kg), Mean ± SD 69.47 ± 11.88 71.48 ± 12.40 < 0.001
BMI, Mean ± SD 25.40 ± 3.54 27.15 ± 4.59 < 0.001
Occupation    0.010
 Indoor 12 324  
 Outdoor 54 640  
Exposure time 2.67 ± 0.69 2.08 ± 0.65 < 0.001
 Light(0-4 h/d) 6 160  
 Moderate(4-8 h/d) 8 548  
 Heavy(> 8 h/d) 50 256  
 Exposure protect    < 0.001
Glasses 2 68  
 Hat 11 392  
 Other 1 28  
 None 52 476  
Vegetable intake 1.26 ± 0.51 1.74 ± 0.54 < 0.001
Light(< 300 g/d) 51 300  
 Moderate(300-500 g/d) 13 619  
 Heavy(> 500 g/d) 2 45  
 Vegetable species 3.43 ± 1.62 5.85 ± 2.62 < 0.001
Fruit intake 1.09 ± 0.34 1.22 < 0.001
Light(< 200 g/d) 59 756  
 Moderate(200-350 g/d) 4 204  
 Heavy(> 350 g/d) 1 4  
Meat intake 2.18 ± 0.90 1.98 ± 0.50 < 0.001
Light(0-120 g/d) 18 128  
 Moderate(120-200 g/d) 14 728  
 Heavy(> 200 g/d) 32 108  
 Smoking    
Number of people 18 356 0.115
 Intake, Mean ± SD 0.64 ± 1.00 0.63 ± 1.00 0.989
 Alcohol    
Number of people 19 280 0.964
 Intake, Mean ± SD 9.88 ± 28.77 22.383 ± 48.08 0.121
 Tea milk intake 2.30 ± 0.86 2.31 ± 0.91 0.864
None(0bowl/d) 3 56  
 Light(1-3bowl/d) 8 128  
 Moderate(4-6bowl/d) 21 240  
Heavy(>6bowl/d) 34 540  
Hypertension, n% 43 508 0.050
Diabetes, n% 3 88 0.204
Hyperlipidemia 9 232 0.053
Emphysema 1 68 0.082
Arthritis 34 388 0.072
Cholecystitis 0 40 0.091
Pterygium 24 (36.4%) 244 (25.3%) 0.048
Cataract 41 (62.1%) 340 (35.3%) < 0.001