Table 3.

Generalized Estimating Equation (GEE) Parameter Estimates for Bone Mineral Density (BMD) Testing among All Eligible Participants (n = 9,659)

	Estimated Beta	Standard Error	p value
Mailed Reminder (vs. Usual Care)	−1.7592	0.9636	0.07
Mailed Reminder + Physician Prompt (vs. Usual Care)	−2.1222	0.8957	0.02
Age	−0.0604	0.0108	< 0.01
Age × Mailed Reminder	0.0329	0.0130	0.01
Age × Mailed Reminder + Physician Prompt	0.0442	0.0122	< 0.01
Black	−0.0179	0.0767	0.82
Currently Married	0.1896	0.0562	< 0.01
Primary Care Visits*	0.0576	0.0075	< 0.01
Hospital Admits**	−0.2952	0.0469	< 0.01
Mammography Use	0.7734	0.0489	< 0.01
Fracture History	0.0476	0.1431	0.74
Health Plan Enrollment	0.6144	0.0647	< 0.01
Intercept	1.4175	0.7916	0.07

*Beta reflects visit change of 3.

**Beta reflects each additional admission.