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Long - term use of any analgesic was associated with an overall odds ratio of 1 . 22 ( 95 % CI , 0 . 89 - 1 . 66 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None