Table 4.

Coefficient Estimates and 95% Credible Intervals (CI) for Bayesian Models to Explain Variation in Cotinine Levels among Pregnant Mothers Using Tobacco Retail Outlet (TRO) Exposure, Neighborhood Deprivation, and Covariates for All Cotinine Levels and Stratified by Cotinine Level

	All cotinine levels			Cotinine < 3			Cotinine >= 3
Parameter	β	2.5% CI	97.5% CI	β	2.5% CI	97.5% CI	β	2.5% CI	97.5% CI
Intercept	0.711	−0.162	1.623	−1.051	−1.671	−0.439	2.069	0.689	3.319
NDI	0.143	0.030	0.267	0.008	−0.048	0.069	0.176	0.005	0.372
TRO	0.002	−0.004	0.009	0.005	0.001	0.009	−0.005	−0.016	0.005
Age	0.005	−0.019	0.029	−0.001	−0.018	0.017	0.052	0.015	0.092
Race/ethnicity
Black	−0.342	−0.706	0.012	−0.022	−0.255	0.201	−0.404	−0.951	0.107
Hispanic	−1.703	−2.219	−1.183	−0.245	−0.584	0.070	−1.666	−2.659	−0.667
Other	−0.720	−1.342	−0.097	−0.423	−0.814	−0.025	−1.288	−2.376	−0.173
Education
High school	−0.841	−1.279	−0.398	0.047	−0.263	0.360	−0.398	−0.919	0.092
Some college	−0.920	−1.372	−0.462	−0.015	−0.331	0.292	−0.397	−0.938	0.103
College	−1.857	−2.354	−1.361	−0.121	−0.446	0.188	−1.196	−2.050	−0.328
Missing	−1.006	−2.152	0.040	0.425	−0.294	1.239	−1.360	−2.676	−0.040
Marital status
Married	−0.445	−0.881	−0.002	−0.150	−0.434	0.112	−0.168	−0.812	0.434
Living with partner	0.386	−0.013	0.795	0.092	−0.174	0.375	0.180	−0.266	0.670
Divorced/separated	0.500	−0.222	1.294	0.210	−0.326	0.793	0.463	−0.365	1.374
Other	−0.054	−1.002	0.885	−0.148	−0.845	0.511	0.515	−0.607	1.747
Missing	0.397	−0.619	1.517	−0.064	−0.855	0.659	1.021	−0.198	2.281