. 2021 Aug 15;18(16):8613. doi: 10.3390/ijerph18168613

Table 3.

Logistic regression results for the prediction of early childhood caries.

Variables		Simple				Multiple				Multiple (Final Model) *
Variables		Crude OR	95% CI		p-Value	Adjusted OR	95% CI		p-Value	Adjusted OR	95% CI		p-Value
Age of the children	1	1.00				1.00				1.00
	2	5.25	3.02	9.12	<0.001	5.44	3.12	9.51	<0.001	5.48	3.14	9.58	<0.001
	3	11.38	6.69	19.38	<0.001	12.33	7.16	21.23	<0.001	12.43	7.22	21.40	<0.001
	4	22.87	13.55	38.59	<0.001	25.23	14.74	43.20	<0.001	25.48	14.90	43.59	<0.001
	5	31.40	18.64	52.92	<0.001	33.96	19.81	58.19	<0.001	34.13	19.93	58.46	<0.001
Sex	Boy	1.00				1.00				-
Sex	Girl	0.82	0.69	0.97	0.018	0.88	0.74	1.06	0.182	-
Children with siblings	Only child	1.00				1.00				-
	1	0.89	0.75	1.06	0.180	0.95	0.78	1.15	0.607
	≥2	0.92	0.53	1.61	0.766	1.06	0.56	2.00	0.860
Household income	Low	1.00				1.00				1.00
	Low-medium	0.74	0.50	1.08	0.517	0.70	0.46	1.09	0.114	0.70	0.45	1.07	0.101
	High-medium	0.65	0.45	0.96	0.024	0.54	0.35	0.84	0.006	0.54	0.35	0.83	0.005
	High	0.74	0.50	1.10	0.622	0.63	0.40	0.98	0.041	0.63	0.41	0.98	0.039
Tooth brushing frequency	≤1	1.00				1.00				1.00
	2	1.81	1.42	2.30	<0.001	0.99	0.60	1.65	0.973	0.97	0.73	1.27	0.804
	≥3	1.88	1.49	2.37	<0.001	1.06	0.63	1.76	0.836	0.77	0.58	0.98	0.032
Education level of the mother	Middle school	1.00				1.00				-
	High school	0.66	0.33	1.32	0.234	0.83	0.38	1.78	0.625
	≥College	0.66	0.34	1.31	0.234	0.86	0.41	1.82	0.696
Age of the mother at the time of giving birth	<35	1.00				1.00				1.00
Age of the mother at the time of giving birth	≥35	1.60	1.36	1.89	<0.001	1.12	0.93	1.35	0.236	1.14	0.94	1.36	0.177
Use of dental floss or interdental toothbrush of mother	No	1.00				1.00				-
Use of dental floss or interdental toothbrush of mother	Yes	1.04	0.88	1.22	0.682	1.05	0.87	1.27	0.585	-
Tooth brushing frequency of the mother	≤1	1.00				1.00				-
	2	1.06	0.68	1.67	0.788	0.99	0.60	1.65	0.809
	≥3	1.14	0.73	1.77	0.576	1.06	0.63	1.76	0.695
DMFT of the mother	≤1	1.00				1.00				1.00
	2–4	1.19	0.95	1.50	0.134	1.21	0.94	1.55	0.132	1.21	0.95	1.55	0.129
	5–6	1.29	0.99	1.68	0.058	1.33	0.99	1.77	0.055	1.34	1.00	1.78	0.048
	≥7	1.40	1.10	1.77	0.006	1.43	1.10	1.86	0.008	1.44	1.11	1.87	0.006
AUROC		-				0.775				0.777

Analyses were performed with the training dataset (n = 2936). * Variables were selected by backward elimination. DMFT, decayed, missing, or filled permanent teeth; AUROC, area under the receiver operating characteristic.