Table 5.

Associations between patient characteristics and glycated hemoglobin.

Variable			Estimate	SEa	P value
Model A with categorical response rate variable
	Clinic
		Site 1	0.25	0.50	.62
		Site 2	Reference	Reference	Reference
	Age, in years
		18-44	Reference	Reference	Reference
		45-54	1.38	0.57	.02
		55-64	−0.45	0.49	.36
	Gender
		Female	Reference	Reference	Reference
		Male	−1.72	0.55	.002
	Primary language
		Spanish	Reference	Reference	Reference
		English	2.05	0.73	.005
	Race/ethnicity
		White	Reference	Reference	Reference
		Hispanic/Latino	−1.14	1.79	.52
		Other	−2.43	1.65	.14
	Engagement with program
		Low (response rate <64.5%)	Reference	Reference	Reference
		High (response rate ≥64.5%)	−2.23	0.56	<.001
	Constant		10.72	1.80	<.001
Model B with continuous, standardized response rate variable
	Clinic
		Site 1	0.22	0.51	.66
		Site 2	Reference	Reference	Reference
	Age, in years
		18-44	Reference	Reference	Reference
		45-54	1.21	0.64	.06
		55-64	−0.91	0.53	.09
	Gender
		Female	Reference	Reference	Reference
		Male	−1.27	0.47	.007
	Primary language
		Spanish	Reference	Reference	Reference
		English	1.72	0.62	.006
	Race/ethnicity
		White	Reference	Reference	Reference
		Hispanic/Latino	−1.64	1.74	.35
		Other	−2.68	1.63	.10
	Engagement with program
		Standardized response rate	−0.93	0.28	.001
	Constant		10.14	1.75	<.001

^aCluster-robust standard errors.