passages.id: 680
passages.type: sentence
passages.text: Subjects who were > or =50 % adherent to exercise were less likely to lose BMD at the total hip ( chi-square [ 1 ] = 4.66 , p = 0.03 ) and femoral neck ( chi-square [ 1 ] = 4.63 , p = 0.03 ) .
entities.id: 681
entities.type: intervention
entities.text: exercise
entities.id: 682
entities.type: outcome
entities.text: BMD