Table I.

Bivariate associations with dichotomous elevated CRP variables

		CRP > 1	CRP > 2	CRP > 3
N = 3664	N (weighted %)		Main predictor variables
Asthma	674 (19.0)	1.33, 0.96–1.84	1.71, 1.20–2.44	1.55, 0.98–2.44
Depression	89 (2.3)	1.46, 0.64–3.33	1.79, 0.66–4.90	2.55, 0.86–7.55
			Categorical covariates
Other atopic disease	182 (6.0)	0.64, 0.37–1.10	0.68, 0.34–1.32	0.56, 0.23–1.34
Infection	368 (8.1)	1.23, 0.86–1.77	1.42, 0.88–2.31	1.63, 0.99–2.70
Injury	628 (16.5)	1.11, 0.80–1.55	1.39, 0.91–2.14	1.89, 1.18–3.01
Other chronic disease	79 (1.9)	1.36, 0.65–2.85	1.12, 0.42–2.94	0.73, 0.36–1.46
American Indian*	1049 (4.38)	2.67, 2.10–3.47	2.41, 1.81–3.21	2.22, 1.61–3.07
African American*	189 (5.79)	0.68, 0.37–1.25	0.91, 0.46–1.79	1.03, 0.50–2.13
Sex (1 = male)	2009 (52.2)	1.32, 0.94–1.86	1.16, 0.79–1.71	1.25, 0.80–1.94
Nicotine use	489 (9.1)	1.59, 1.11–2.30	1.50, 1.00–2.26	1.95, 1.23–3.11
Medication use	1138 (30.7)	1.77, 1.30–2.41	1.57, 1.09–2.27	1.60, 1.04–2.44
Illicit drug use	231 (4.7)	0.97, 0.62–1.53	1.02, 0.56–1.86	1.28, 0.64–2.56
Alcohol use	284 (6.9)	0.91, 0.58–1.44	1.14, 0.59–2.21	1.52, 0.72–3.19
Current SES	867 (15.2)	1.14, 0.84–1.55	1.12, 0.73–1.72	0.86, 0.51–1.42
	Mean (SD)		Continuous covariates
Age (of cohort)	13.52 (1.9)	1.08, 1.00–1.15	1.10, 1.00–1.21	1.12, 1.00–1.26
BMI	22.99 (5.3)	1.17, 1.14–1.20	1.14, 1.10–1.18	1.13, 1.09–1.17

SES, socioeconomic status.

ORs and 95% CIs were derived from separate weighted logistic regression models for each predictor and each elevated CRP variable. Bolded ORs are significant at P < .05. Bolded and italicized ORs approached significance at P < .10.

^*Reference group = White.