TABLE 3.

Multi-variable adjusted mean values of C-reactive protein, hemoglobin A1C, and high-density lipoprotein according to level of education within quintiles of neighborhood SES score

Quintiles of neighborhood SES
	1 (lowest)	2	3	4	5 (highest)	Mean difference between Q1 and Q5	P for ordinal trend
Immune
C-reactive Protein (mg/L)a
<16 years of education	2.91 (2.26–3.74)	2.11 (1.64–2.72)	2.41 (1.76–3.30)	1.85 (1.26–2.71)	1.75 (0.96–3.18)	1.16	0.06
≥16 years of education	2.21 (1.47–3.33)	2.07 (1.64–2.62)	2.45 (1.95–3.07)	1.77 (1.30–2.41)	1.43 (0.92–2.21)	0.78	0.08
P for interaction							0.74
Metabolic
Hemoglobin A1C (% of total hemoglobin)
<16 years of education	6.08 (5.91–6.27)	6.06 (5.92–6.20)	5.96 (5.79–6.14)	6.06 (5.79–6.33)	5.88 (5.48–6.31)	0.20	0.47
≥16 years of education	6.15 (5.90–6.40)	5.83 (5.70–5.96)	5.99 (5.86–6.13)	6.05 (5.89–6.22)	5.68 (5.53–5.83)	0.47	0.07
P for interaction							0.37
Cardiovascular
High-density lipoprotein (mg/dL)
<16 years of education	58.6 (54.8–62.6)	59.4 (55.8–63.2)	60.1 (55.7–64.9)	57.9 (54.4–61.7)	63.7 (55.5–73.2)	5.1	0.60
≥16 years of education	61.0 (56.4–66.0)	63.5 (60.4–66.8)	62.3 (59.1–65.7)	62.6 (58.9–66.5)	69.2 (63.4–75.5)	8.2	0.07
P for interaction							0.95

<16 years of education, n = 201; ≥16 years of education, n = 217. All values adjusted for age, menopausal status, alcohol consumption, vigorous physical activity, moderate physical activity, walking for exercise, sitting/television viewing, insurance status, cigarette smoking, history of diabetes, female hormone use, household income, number of people in the household, history of hypertension, body mass index, western dietary pattern (red meat/fried foods), and prudent dietary pattern (fruits and vegetables)

^aValues are back-transformed means from log-transformed CRP values