Table 4.

Estimated relative risk (RR) and 95% confidence interval (CI) from multivariate negative binomial regression models for new d₁₂mfs and new d₂mfs in primary dentition among low-income African American children, Detroit, Michigan, 2002–2007

	New d12mfsa			New d2mfsa
	RR	95% CI		RR	95% CI
Baseline NCCL	1.10	0.92	1.31	1.44	1.28	1.62
Baseline CCL	1.15	1.02	1.30	1.12	1.01	1.24
Child’s age	0.57	0.43	0.75	0.68	0.57	0.82
Child’s sex (female vs. male)	1.18	0.59	2.38	1.32	0.80	2.18
Caregiver’s age	1.04	0.99	1.10	1.01	0.97	1.05
Caregiver’s education (high school degree vs. < high school)	1.13	0.44	2.89	1.14	0.61	2.15
Caregiver’s education (> high school vs. < high school)	1.11	0.29	4.28	1.08	0.45	2.57
Annual household income ($10K+ vs. <$10K)	1.03	0.38	2.75	0.94	0.49	1.82
Caregiver’s full-time employment (yes vs. no)	0.73	0.33	1.62	0.68	0.41	1.14
Household size (3–4 vs. 2)	0.85	0.30	2.46	0.76	0.33	1.74
Household size (5 or more vs. 2)	1.13	0.37	3.47	1.00	0.40	2.55
Dental insurance (yes vs. no)	1.27	0.53	3.07	0.91	0.50	1.68
Child’s soda consumption (yes vs. no)	2.42	1.15	5.08	1.61	0.85	3.06
Oral health fatalistic belief (yes vs. no)	2.12	0.90	5.03	1.56	0.91	2.67
Caregiver’s smoking status (yes vs. no)	1.04	0.49	2.21	1.06	0.62	1.79
Crack in wall (Yes vs. no)	2.03	0.93	4.46	1.63	0.89	2.99
Social support in 5 areas (Yes vs. no)	0.74	0.30	1.78	0.90	0.52	1.56

Notes: Numbers in bold indicate statistical significance at p<0.05 level.

^aNew d₁₂mfs = number of new non-cavitated lesions + number of new cavitated lesions + number of new fillings + number of new missing teeth due to caries; New d₂mfs = number of new cavitated lesions + number of new fillings + number of new missing teeth due to caries.