Table 3.

12 Month Systolic BP Change - Regression Coefficient Estimates

		Copay Exempt n = 335
Group	Parameter	BP Change (95% CI)
Unadjusted Model
Intercept	No Intervention	−10.0 (−13.5, −6.5)
Study Arm	Copay Intervention	−3.7 (−9.0, 1.6)
Adjusted for Stratification Variables Only
Intercept	No Intervention Site = Philadelphia VA SBP at baseline <160 Income >300% Poverty Line	−7.1 (−14.3, 0.0)
Study Arm	Copay Intervention	−2.5 (−7.6, 2.7)
Site	Pinnacle	1.3 (−6.0, 8.5)
	Pittsburgh	−0.7 (−6.7, 5.3)
SBP at baseline	SBP >=160	−14.7 (−20.2, −9.3)
Income	<100% Poverty line (%)	3.2 (−4.1, 10.4)
	100-200% Poverty line (%)	−0.3 (−7.9, 7.4)
	200-300% Poverty line (%)	−0.3 (−9.6, 9.1)