Table 2 Regression analysis with Femoral Neck BMD as dependent variable
From: Low bone mineral density following gastric bypass is not explained by lifestyle and lack of exercise
Variable | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
Coefficient | Standard error | p-value | Coefficient | Standard error | p-value | |
Age at present | − 0.005 | 0.001 | < 0.001 | − 0.003 | 0.002 | 0.094 |
Years since surgery | − 0.008 | 0.000 | < 0.001 | − 0.005 | 0.000 | 0.062 |
BMI | − 0.002 | 0.002 | 0.118 | |||
BMI at 20 years of age | 0.000 | 0.002 | 0.773 | |||
Calcium intake | − 0.000 | 0.000 | 0.765 | |||
Activity at present (min/week) | − 0.000 | 0.000 | 0.705 | |||
Activity 5 years ago (min/week) | 0.000 | 0.000 | 0.555 | |||