Table 2:

Adjusted effects of dietary habits according to ZIGP regression model

Variables†	Generalized Poisson part		P-value	Zero-inflation part		P-value
	Ratio of means	95% CI for the ratio		OR (susceptible to caries)	95% CI for OR
Gender
Boy(ref)	1	-	-	1	-	-
Girl	1.22	1.03–1.42	0.035*	1.23	1.08–1.51	0.041*
Sweet biscuits
1(ref)	1	-	-	1	-	-
2	0.99	0.88–1.11	0.93	1.44	0.54–3.8	0.57
3	1.16	1.05–1.25	0.042*	1.77	0.8–2.9	0.43
4	1.27	1.18–1.37	0.031*	1.56	1.13–1.98	0.046*
Fizzy soft beverages
1(ref)	1	-	-	1	-	-
2	0.96	0.8–1.13	0.35	1.29	0.83–1.93	0.36
3	1.41	1.19–1.63	0.039*	1.35	1.06–1.75	0.042*
4	1.63	1.49–1.78	0.028*	1.39	1.17–1.55	0.028*

^*P-value≤ 0.05

^†-Scores were used as following: 4- more than once daily ; 3- once daily ; 2–3 or 4 times a week ; 1- less than 3 times a week or never