Table 5.

Association between demographic and dental care behaviors with number of filling teeth

Variables	Levels	Model 1 CR(95%CI)	Model 2 CR(95%CI)	Model 3 CR(95%CI)	Model 4 CR(95%CI)
Age	15–25 25–35 35–45	1 1.40(0.89;2.21) 2.12(1.14;3.92)	1 1.35(0.84;2.15) 2.09 (1.13;3.88)	1 1.13(0.71;1.79) 2.03(1.09;3.79)	1 1.06(0.62;1.81) 1.69(0.92;3.12)
Trimester	Second Third		1 1.14(0.75;1.72)	1 1.26(0.82;1.93)	1 1.02(0.65;1.61)
Education	Less than 12 years 12 years More than 12 years			1 1.25(0.81;1.92) 1.44(0.77;2.70)	1 1.27(0.82;1.97) 1.43(0.79;2.59)
Brushing Habit	Once a day Less than Once a day				1 0.75(0.47;1.19)
Flossing Habit	Less than Once a day Once a day or more				1 1.34(0.78;2.32)
Dental Visit	Yes No				1 0.81(0.54;1.22)
Sweet Consumption	Once More than once				1 0.60(0.37;0.99)

Zero inflated negative binomial regression

CR, count ratio; CI, 95% confidence interval

Bold: relationship significant at the 5% level

Model 1: adjusted for age group

Model 2: adjusted for age group, trimester of pregnancy

Model 3: adjusted for age group, trimester of pregnancy, education

Model 4 adjusted for age group, trimester of pregnancy, education, dental care behaviors