Relationship between Body Mass Index and Tooth Decay in a Population of 3–6-Year-Old Children in Iran

Table 3

Multiple Poisson regression analysis for effective factors on dmft index.

Variables		Adjusted rate ratio^1	95% CI^2	value
Gender	Boy; Girl	1.321; Reference	1.202–1.452; —	0.0001
BMI	Normal; Overweight	1.449; Reference	1.270–1.653; —	0.0001
Father’s education	Diploma and under diploma; University	1.381; Reference	1.257–1.517	0.0001
Age		1.324	1.260–1.392	0.0001
Mother’s job	Employee; self-employment	1.347; Reference	1.117–1.624	0.0001

The dmft ratio of each group versus reference group for each variable adjusted for other variables.
²Confidence interval.