Variable | Model 1^{b} | Model 2^{b} | Model 3^{b} | ||||||
---|---|---|---|---|---|---|---|---|---|
β (nmol/liter) | P | β (nmol/liter) | P | β (nmol/liter) | P | ||||
Visit age, per yr | 0.3103 | 0.011 | 0.3775 | 0.0011 | 0.4364 | 0.0002 | |||
Black race | −0.0864 | 0.90 | 0.8727 | 0.19 | −0.1655 | 0.81 | |||
Year 2 BMI, per 1 kg/m^{2} | −0.9082 | <0.0001 | −0.1452 | 0.41 | |||||
Δ BMI, per 1 kg/m^{2} | −1.4084 | <0.0001 | −1.1407 | <0.0001 | |||||
Year 2 waist circumference, per 1 cm | −0.3567 | <0.0001 | |||||||
Δ Waist circumference, per 1 cm | −0.1091 | 0.17 |
^{a} Mean change in SHBG corresponding to the indicated difference in the independent variable.
^{b} Each of the models also included terms for secular changes in hormone levels between the Years 2 and 7, and the Years 2 and 10 examinations.