916
Subjects with a short postexposure time and a dioxin burden > 0 . 6 pg / m3 had a significantly higher risk of hypoergy than unexposed subjects ( hypoergy I : OR = 9 . 51 , 95 % CI = 1 . 96 - 42 . 02 ; hypoergy II : OR = 2 . 92 , 95 % CI = 1 . 14 - 7 . 5 ) .
 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