Table 2.

Risk indicators for early childhood caries in multivariate analysis

Variable	B	SE	Wald χ2	P-value	OR	95% CI
						Lower	Upper
Constant	2.269	0.551	16.946	<0.001	9.671
Region (reference, Kashgar)	1.011	0.154	43.230	<0.001	2.747	2.033	3.713
Age (years)			30.310	<0.001
Age 1	0.737	0.167	19.428	<0.001	2.090	1.506	2.901
Age 2	0.981	0.185	28.045	<0.001	2.666	1.855	3.833
Caretaker with cavities (reference, no)	0.577	0.183	9.975	0.002	1.780	1.245	2.547
Mother’s education level (reference, none or primary)	−0.202	0.103	3.848	0.050	0.817	0.668	1.000
Father’s education level (reference, none or primary)	0.024	0.104	0.053	0.819	1.024	0.836	1.255
Annual family income	−0.404	0.070	33.713	<0.001	0.667	0.582	0.765
Frequency of sweets consumption (reference, more than once)	−0.416	0.074	31.236	<0.001	0.660	0.570	0.763
Eating before sleep (reference, often)	−0.584	0.125	21.960	<0.001	0.557	0.437	0.712
Start tooth brushing (reference, ≤3 years old)	0.31	0.078	15.985	<0.001	1.363	1.171	1.587
Daily brushing frequency (reference, less than once)	0.036	0.136	0.071	0.789	1.037	0.795	1.353
Parental supervision of tooth brushing (reference, no)	−0.271	0.147	3.404	0.065	0.762	0.571	1.017
Dental visit in the past (reference, no)	0.705	0.177	15.759	<0.001	2.023	1.429	2.865
Parents having received oral health instruction (reference, no)	0.775	0.209	13.717	<0.001	2.171	1.440	3.272

Age code: age of 3 (0,0); age of 4 (1,0); age of 5 (0,1)

Abbreviations: CI confidence interval, OR odds ratio, SE standard error