Predictor	Coefficient (95% C.I)	t-statistic
Visit 2 Femoral Neck BMD	0.951 (0.927 to 0.974)	79.06
Visit 2 Spine BMD	0.037 (0.022 to 0.053)	4.76
Weight gain between visits 2 and 3 (per 5 kg increase)	0.0065 (0.0035 to 0.0095)	4.03
Current smoking	−0.0072 (−0.1517 to 0.0007)	−1.78
Number of years between visits 2 and 3*	0.0046 (−0.0023 to 0.0114)	1.30
Glucocorticoid use	−0.0034 (−0.0147 to 0.0078)	−0.59
Estrogen Use	0.0034 (−0.0024 to 0.0092)	1.14

^*Mean time between visits 2 and 3: 1.48 years (sd 0.33)