4268
The odds of atopy ( defined as a positive test for at least one of the antigens ) were 5 times higher ( odds ratio = 7 . 0 ; 95 % confidence interval = 1 . 6 - 31 . 1 % ; p = 0 . 01 ) in the uninfected group , after taking into account the potential influence of gender and age .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None