Periodontal Health Status and Associated Factors: Findings of a Prenatal Oral Health Program in South Brazil

Table 4

Crude and adjusted analysis [prevalence ratio (PR)] for the association between independent variables and CPITN scores in pregnant women.

Variables	CPITN
	Crude PR (95% CI)	value	Adjusted PR (95% CI)	value
Skin color
White	1.00	<0.001	1.00	0.171
Non-white	1.25 (1.10–1.41)		1.10 (0.95–1.27)
Age (years)
15–19	1.00
20–34	1.04 (0.86–1.25)	0.663
35–44	1.02 (0.81–1.27)	0.855
Education level
>8 years	1.00	0.035	1.00	0.986
≤8 years	1.13 (1.00–1.27)		0.99 (0.87–1.14)
Family income
≥US$1051	1.00		1.00
US$351–US$1050	1.22 (1.04–1.44)	<0.001	1.06 (0.89–1.25)	0.472
≤US$350	1.36 (1.16–1.60)	0.013	1.13 (0.94–1.36)	0.162
Stage of pregnancy
First trimester	1.00		1.00
Second trimester	0.81 (0.67–0.97)	0.026	0.86 (0.69–1.06)	0.176
Third trimester	0.79 (0.65–0.96)	0.022	0.80 (0.63–1.00)	0.056
Prenatal care
Yes	1.00	0.778
No	1.04 (0.76–1.41)
Frequency of tooth brushing
≥3 times per day	1.00	0.202	1.00	0.640
≤2 times per day	1.09 (0.95–1.24)		1.03 (0.88–1.21)
Frequency of flossing
≥1 time per day	1.00	0.810
<1 time per day	1.01 (0.89–1.14)
Visible plaque
No	1.00	<0.001	1.00	<0.001
Yes	2.10 (1.57–2.80)		1.88 (1.37–2.59)
Caries activity
No	1.00	<0.001	1.00	0.594
Yes	1.36 (1.17–1.59)		1.05 (0.71–1.46)