1315
Total body BMD ( r = 0 . 30 ; P = 0 . 02 ) and femoral neck BMD ( r = 0 . 39 ; P = 0 . 002 ) were positively correlated with weight - bearing activity but not with non - weight - bearing activity .
 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