8701
Cox regression analysis showed leanness ( defined as the lowest quartile of entire BMI ; mean , 19 . 5 kg / m ( 2 ) ) , but not obesity ( BMI >= 25 kg / m ( 2 ) ) , and diabetes were independently associated with an increased risk of all - cause death ( hazard ratio [ HR ] 1 . 70 and 1 . 65 , respectively ; both P < 0 . 01 . ) .
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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:
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