Table 3.

Ordinal logit models of the associations between social network index and the inflammation burden index

		Model 1			Model 1
	SNI	OR	(95% CI)	p value	OR	(95% CI)	p value
All	4	1.00			1.00
(N = 1,075)	3	1.49	(1.08, 2.06)		1.32	(0.95, 1.83)
	2	1.69	(1.21, 2.36)	<.001	1.43	(1.01, 2.03)	.030
	0-1	2.35	(1.62, 3.40)		1.81	(1.22, 2.68)
Race
	White	1.00		<.001	1.00		.013
	Black or Other	1.83	(1.32, 2.54)		1.54	(1.10, 2.17)
Education
	<12 years	1.00		.872	1.00		.085
	12+ years	1.02	(0.80, 1.30)		1.25	(0.97, 1.61)
Income
	Lower quartiles	1.00		.076	1.00		.482
	Top quartile	0.79	(0.61, 1.02)		0.91	(0.70, 1.18)
Race	SNI
White	4	1.00			1.00
(N = 918)	3	1.41	(1.00, 1.99)		1.27	(0.89, 1.80)
	2	1.63	(1.14, 2.34)	.001	1.43	(0.98, 2.07)	.091
	0-1	2.21	(1.49, 3.28)		1.69	(1.11, 2.58)
Black or Other	4	1.00			1.00
(N = 157)	3	1.71	(0.65, 4.47)		2.08	(0.73, 5.88)
	2	1.64	(0.62, 4.32)	.248	1.91	(0.65, 5.60)	.390
	0-1	3.02	(1.01, 9.03)		2.75	(0.86, 8.84)
Education	SNI
<12 years	4	1.00			1.00
(N = 442)	3	2.25	(1.15, 4.41)		2.22	(1.12, 4.40)
	2	2.47	(1.27, 4.78)	.017	2.25	(1.14, 4.42)	.049
	0-1	3.01	(1.52, 5.96)		2.61	(1.30, 5.28)
12+ years	4	1.00			1.00
(N = 633)	3	1.30	(0.89, 1.89)		1.13	(0.77, 1.66)
	2	1.45	(0.96, 2.20)	.007	1.25	(0.81, 1.92)	.216
	0-1	2.41	(1.46, 3.98)		1.73	(1.02, 2.93)
Income
Lower quartiles	4	1.00			1.00
(N = 842)	3	1.49	(1.04, 2.15)		1.28	(0.88, 1.87)
	2	1.79	(1.23, 2.60)	<.001	1.46	(0.98, 2.18)	.041
	0-1	2.49	(1.65, 3.76)		1.87	(1.20, 2.89)
Top quartile	4	1.00			1.00
(N = 233)	3	1.49	(0.76, 2.93)		1.33	(0.66, 2.68)
	2	1.37	(0.670, 2.80)	.580	1.20	(0.57, 2.52)	.835
	0-1	1.74	(0.75, 4.03)		1.45	(0.59, 3.60)

Notes: Model 1 adjusted for age and sex; Model 2 adjusted for all covariates; p values from χ² test for the group difference across SNI scores of 0–4; inflammation burden index is the sum of the positive indicators of three inflammation markers and ranges from 0 to 3, as shown in Table 1.