. 2014 Oct 30;50(3):730–749. doi: 10.1111/1475-6773.12253

Table 2.

Demographic Characteristics of Participants in Propensity Score Matched Sample

	All		Comparison Group		Intervention Group		p-value
	%	(n)	%	(n)	%	(n)	p-value
Overall	100.0	(616)	100.0	(308)	100.0	(308)
Row %			50.0		50.0
Clinic
Bellingham	14.9	92	14.9	46	14.9	46	1.000^*
Marysville	18.2	112	18.2	56	17.0	56
Mount Vernon	18.8	116	18.8	58	20.1	66
Puyallup	8.8	54	8.8	27	7.3	24
Seattle	20.5	126	20.5	63	24.6	81
Tacoma	18.8	116	18.8	58	14.6	48
Age (years)
18–39	14.3	88	14.3	44	14.3	44	.882^*
40–49	25.2	155	24.7	76	25.6	79
50–59	34.3	211	35.7	110	32.8	101
60–69	26.3	162	25.3	78	27.3	84
Mean ± SD	52.4 ± 11.1		52.5 ± 11.2		52.3 ± 11.0		.868^†
Gender
Female	49.5	305	48.7	150	50.3	155	.747^*
Male	50.5	311	51.3	158	49.7	153	.747^*
Race/ethnicity
Non-Hispanic white	33.4	206	34.7	107	32.1	99	.789^*
Hispanic	54.9	338	53.9	166	55.8	172
Other	11.7	72	11.4	35	12.0	37
Health insurance
Private	51.9	320	53.2	164	50.6	156	.648^*
Public	32.5	200	32.5	100	32.5	100
No insurance	15.6	96	14.3	44	16.9	52
Language
English	55.0	339	56.8	175	53.2	164	.671^*
Spanish	44.6	275	42.9	132	46.4	143
Both	0.4	2	0.3	1	0.4	1
Tobacco use
Never	77.1	475	76	234	78.2	241	.472^*
Past	5.7	35	6.8	21	4.5	14
Current	17.2	106	17.2	53	17.2	53
No. of PCP visits
1–2	30	185	26.6	82	33.4	103	.274^*
3–4	30.2	186	32.8	101	27.6	85
5–6	18.3	113	18.5	57	18.2	56
≥7	21.4	132	22.1	68	20.8	64
Mean ± SD	4.6 ± 3.4		4.7 ± 3.4		4.5 ± 3.3		.581^†
Diagnosed with depression
No	90.6	558	89.9	277	91.2	281	.679^*
Yes	9.4	58	10.1	31	8.8	27	.679^*
Diabetes complications severity index (DCSI)
0	85.9	529	86.7	267	85.1	262	.784^*
1	9.3	57	8.4	26	10.1	31
≥2	4.9	30	4.9	15	4.9	15
Mean ± SD	0.2 ± 0.6		0.2 ± 0.6		0.2 ± 0.5		.834^†
Diabetes medications
Oral only	54.1	333	54.5	168	53.6	165	.405^*
None	1.6	10	2.3	7	1	3
Insulin (any combination)	44.3	273	43.2	133	45.5	140
Hemoglobin A1C (%) baseline value
Mean ± SD	8.4 ± 2.1		8.3 ± 2.2		8.4 ± 2.1		.437^†
HbA1C no. of measurements
No	51.6	318	53.6	165	49.7	153	.375^*
Yes	48.4	298	46.4	143	50.3	155	.375^*
HbA1C <7.0%
No	69.6	429	67.2	207	72.1	222	.220^*
Yes	30.4	187	32.8	101	27.9	86	.220^*
Endocrinology referral (within 12 months)
No	99.2	611	99.4	306	99	305	1.000^*
Yes	0.8	5	0.6	2	1	3	1.000^*
Ophthalmology referral (within 12 months)
No	91.6	564	92.5	285	90.6	279	.469^*
Yes	8.4	52	7.5	23	9.4	29	.469^*
Microalbuminuria screen (within 12 months)
No	33.9	209	35.1	108	32.8	101	.610^*
Yes	66.1	407	64.9	200	67.2	207	.610^*
Retinal exam (within 12 months)
No	73.2	451	74	228	72.4	223	.716^*
Yes	26.8	165	26	80	27.6	85	.716^*
Foot exam (within 12 months)
No	58.4	360	58.8	181	58.1	179	.935^*
Yes	41.6	256	41.2	127	41.9	129	.935^*
Blood pressure (<130/80)
No	51.1	315	50	154	52.3	161	.629^*
Yes	48.9	301	50	154	47.7	147	.629^*
LDL cholesterol (<100)
No	29.2	180	26.9	83	31.5	97	.408^*
Yes	20.8	128	21.4	66	20.1	62	.408^*
PCP visits
Mean ± SD	4.5 ± 3.4		4.6 ± 3.4		4.5 ± 3.3		.738^†

Chi-square test of homogeneity.

^†

Two-sample t-test for difference in means.