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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Bone Miner Res. 2015 Jul;30(7):1301–1308. doi: 10.1002/jbmr.2450

Table 3.

The association of BMI with FE-derived measures stratified by obesity status in men of the MrOS study

BMI < 30 (n=582) BMI>=30 (n=90) P for Interaction*
SD increase per unit of BMI P SD increase per unit of BMI P
Strength 0.056 ± 0.014 0.0002 −0.03 ± 0.064 0.69 0.36
Load-to-strength ratio 0.094 ± 0.015 <0.0001 0.14 ± 0.07 0.06 0.99

P-value was adjusted for age, site, race and physical activity.

*

The interaction was to test the difference of point estimates between the non-obese and the obese.