5000
The combined result of reported relative risk from the 6 included studies revealed that overweight children conferred increased risks of incident asthma as compared with non - overweight children ( relative risk , 1 . 19 ; 95 % confidence interval [ CI ] , 1 . 03 - 1 . 37 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None