Table 3

Multiple linear regression analysis on variables associated with bone mineral density

Coefficient
 Standard error
 t
 P*
Age (year)
 -0.002
 0.000
 -5.522
 <0.001
Education level (<12 years vs. ≥ 12 years)
 0.001
 0.004
 0.301
 0.763
Physical activity (≤ 2/week vs. ≥ 3/week)
 0.017
 0.003
 4.895
 <0.001
WHR
 -0.796
 0.093
 -8.569
 <0.001
BMI (kg/m2)
 0.023
 0.001
 17.033
 <0.001
Drinking status (never vs. ever)
 -0.002
 0.006
 -0.259
 0.795
Smoking status (never vs. ever)
 -0.018
 0.004
 -4.317
 <0.001

*P < 0.05 by multiple linear regression analysis, R2 = 0.21

Seo et al. BMC Public Health 2008 8:253   doi:10.1186/1471-2458-8-253