Table 3.

Interrupted time series random effects regression models of changes across 16 quarters in medical outcomes post-implementation, controlling for pre-implementation trends, clinic site, and number of observations among patients

Medical Outcomes	Estimate	SE	p	95% CI
A1C
Intercept	7.01	0.16	<.001	6.70, 7.31
Sitea	−0.20	0.18	.267	−0.55, 0.15
Pre-Intervention Secular Trend	−0.03	0.02	.117	−0.07, 0.01
Post-Intervention Level Change	−0.75	0.35	.032	−1.43, −0.06
Number of observations	0.07	0.04	.092	−0.12, 0.16
LDL
Intercept	97.61	3.71	<.001	90.32, 104.91
Sitea	−1.09	4.09	.791	−9.17, 7.00
Pre-Intervention Secular Trend	−0.51	0.49	.306	−1.48, 0.47
Post-Intervention Level Change	−19.75	8.07	.015	−35.62, −3.89
Number of observations	1.03	1.32	.433	−1.55, 3.62
Triglycerides
Intercept	130.34	9.82	<.001	110.98, 149.69
Sitea	14.30	9.62	.140	−4.77, 33.37
Pre-Intervention Secular Trend	−0.97	1.55	.534	−4.05, 2.11
Post-Intervention Level Change	−47.88	22.75	.037	−92.83, −2.93
Number of observations	3.60	4.49	.422	−5.23, 12.44
Blood Pressureb
Intercept	−0.87	0.24	<.001	−1.34, −0.41
Sitea	−0.74	0.24	.002	−1.22, −0.27
Pre-Intervention Secular Trend	−0.12	0.04	.001	−0.19, −0.05
Post-Intervention Level Change	−2.07	0.71	.004	−3.46, −0.68
Number of observations	0.02	0.08	.822	−0.13, 0.17

^aClinic site 1= North clinic, 0 = South clinic;

^bBlood Pressure, BP ≥ 130/80 = 1, < 130/80 = 0