Table 4.

Adjusted associations between factors and flame retardant chemical loadings in house dust samples.

	TCEP		TCIPP		TDCIPP		TPHP		BEH-TEBP		EH-TBB		∑OPFRs		∑RBFRs
	LR	95% CI	LR	95% CI	LR	95% CI	LR	95% CI	LR	95% CI	LR	95% CI	LR	95% CI	LR	95% CI
Household size	1.13	0.93–1.38	1.17	0.99–1.40	1.18	1.01–1.39	1.17	1.00–1.38	1.23	1.06–1.43	1.17	0.98–1.39	1.16	1.00–1.35	1.24	1.06–1.43
Race
White	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Non-white	0.77	0.42–1.40	0.61	0.37–1.03	0.95	0.59–1.52	1.23	0.76–1.97	0.88	0.56–1.39	1.04	0.62–1.75	0.84	0.53–1.32	1.09	0.70–1.71
Education
High school or less	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Some college	0.95	0.46–1.94	0.90	0.48–1.67	1.03	0.59–1.81	1.19	0.67–2.10	1.51	0.88–2.58	0.85	0.45–1.61	1.01	0.59–1.75	1.31	0.77–2.24
Bachelor’s Degree	2.15	0.91–5.06	1.35	0.64–2.84	0.96	0.49–1.88	1.09	0.55–2.15	1.45	0.76–2.78	0.80	0.37–1.74	1.29	0.68–2.46	1.15	0.60–2.20
Some graduate school	1.89	0.76–4.67	1.16	0.53–2.55	1.25	0.62–2.55	1.34	0.66–2.71	1.42	0.72–2.80	0.89	0.39–2.00	1.13	0.57–2.24	1.27	0.64–2.50
Year
2003	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
2004	0.60	0.23–1.56	0.58	0.26–1.34	1.00	0.47–2.11	0.85	0.41–1.77	1.17	0.56–2.48	1.00	0.39–2.60	0.71	0.34–1.48	1.23	0.57–2.65
2005	0.30	0.11–0.80	0.43	0.19–1.01	0.61	0.28–1.31	0.77	0.36–1.61	1.00	0.46–2.16	0.95	0.36–2.50	0.50	0.24–1.06	0.97	0.45–2.12
2006	0.31	0.11–0.88	0.38	0.15–0.96	0.74	0.32–1.69	0.63	0.28–1.42	1.45	0.64–3.28	1.62	0.59–4.47	0.49	0.22–1.08	1.63	0.71–3.73
Floor type
Carpet	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Hard floor	0.62	0.28–1.36	0.40	0.20–0.80	0.72	0.39–1.32	0.79	0.43–1.46	0.34	0.19–0.60	0.46	0.24–0.89	0.76	0.42–1.36	0.36	0.20–0.64
Visible Cleanliness
Clean	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Not clean	1.04	0.62–1.74	1.18	0.75–1.86	1.25	0.83–1.87	1.37	0.90–2.07	1.18	0.81–1.72	1.42	0.92–2.19	1.15	0.78–1.71	1.18	0.81–1.72

Abbreviations: LR = loading ratio; CI = confidence interval.

Models also adjusted for age, income, and smoking.

Bolded terms are statistically significant at p<0.05.