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Table 3 Results of multivariate logistic regression analysis of risk factors and Enterobius vermicularis infection, by age groups

From: Risk factors for Enterobius vermicularis infection in children in Gaozhou, Guangdong, China

Age group Variables No. of examined No. of positive (%) OR (95 %CI) a
2–6 years Father’s education    
  Middle school and above 216 109 (50.46) 1.00
  Primary school and below 292 186 (63.70) 1.73 (1.20–2.50)*
  Biting pencils (or toys)   
  No 405 227 (56.05) 1.00
  Yes 102 68 (66.67) 1.61 (1.01–2.58)*
7–12 years Washing hands before dinner  
  Yes 212 96 (45.28) 1.00
  No 82 49 (59.76) 1.97 (1.16–3.35)*
  Playing on the ground  
  No 126 55 (43.65) 1.00
  Yes 168 90 (53.57) 1.65 (1.02–2.66)*
  1. OR odds ratio, 95 %CI 95 % confidence interval
  2. *p < 0.05
  3. a Result in multivariate logistic regression analysis