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Table 4 Multivariate logistic regression for hairdressers of age ≤ 45 year-old

From: Varicose veins in hairdressers and associated risk factors: a cross-sectional study

  N Odds ratio 95% confidence interval
Monthly standing work hours    
6-120 11 1.0  
121-168 7 2.4 (0.1-55.6)
169-208 16 2.0 (0.2-24.2)
209-260 13 0.5 (0.0-11.3)
261-360 10 5.2 (0.4-75.8)
Number of years as a hairdresser    
0-9 20 1.0  
10-22 19 0.6 (0.1-5.3)
23-33 18 2.7 (0.3-27.4)
Doing housework in standing position    
No 24 1.0  
Yes 33 1.5 (0.2-10.2)
Family history of varicose veins    
No 52   
Yes 5 11.9 (1.1-133.5)*
  1. *p < 0.05.