Influence of First-Time Mothers' Early Employment on Severe Early Childhood Caries in Their Child

Table 5

Effect of various factors on the prevalence of severe early childhood caries at 20 ± 2.5 months of age in univariable and multivariable logistic regression analyses*.

Variable	Univariable analysis		Multivariable analysis*
	OR	95% CI**	OR	95% CI**
Child’s gender
Male	reference		reference
Female	0.45	0.19–1.11	0.48	0.19–1.18
Age at dental exam (months)	1.18	1.03–1.36 ^†	1.20	1.02–1.37 ^†
Family structure
One parent	reference		reference
Two parents	0.37	0.16–0.88 ^†	0.37	0.14–0.93 ^†
Mother’s age at childbirth in years
Under 25	reference		reference
25 to 29	0.84	0.32–2.24	0.84	0.27–2.65
30 to 45	0.59	0.19–1.84	0.55	0.17–1.75
Mother’s highest level of education
Primary	reference		reference
Secondary	0.66	0.22–2.04	0.47	0.12–1.81
Tertiary	0.89	0.33–2.48	0.87	0.29–2.57
Mother’s’ employment
Employed	reference		reference
Unemployed	1.09	0.47–2.48	0.97	0.41–2.30

*Variables entered in the multivariable analyses were age at examination in months, age at first tooth eruption in months, child’s gender, mother’s age, level of education and employment status.
**OR: odds ratio; 95% CI: 95% confidence interval.
^†P < 0.01.