Determinants of Oral Health: Does Oral Health Literacy Matter?

Table 2

Determinants for poor self-assessed oral health based on multiple logistic regression analysis among adults in Tehran, Iran (𝑛=1014).

	OR (95% CI)*	𝑃	OR (95% CI)**	𝑃
Age (years)	1.02 (1.01–1.03)	<0.001	1.01 (1.00–1.03)	0.02
Gender
Male	1.00 (ref.)		1.00 (ref.)
Female	0.79 (0.56–1.11)	0.17	0.96 (0.65–1.40)	0.83
Years of education
≥12	1.00 (ref.)		1.00 (ref.)
<12	2.76 (1.94–3.94)	<0.001	1.88 (1.23–2.87)	0.004
Living area (m^2/p)
≥40	1.00 (ref.)		1.00 (ref.)
20–39	1.51 (0.86–2.65)	0.15	1.57 (0.87–2.83)	0.12
<20	2.24 (1.25–3.99)	0.006	1.85 (1.00–3.42)	0.04
Oral health literacy scores
12–17	1.00 (ref.)		1.00 (ref.)
10-11	1.41 (0.85–2.25)	0.13	1.08 (0.65–1.80)	0.75
0–9	2.08 (1.40–3.11)	<0.001	1.58 (1.02–2.45)	0.04
Tooth-brushing behaviour
Twice daily or more	1.00 (ref.)		1.00 (ref.)
Once daily	1.52 (0.99–2.34)	0.055	1.40 (0.88–2.22)	0.14
Less than once daily	3.99 (2.52–6.32)	<0.001	3.35 (2.02–5.57)	<0.001

^∗By simple regression analysis.
**Adjusted OR, goodness of fit by Hosmer and Lemeshow test (𝑃=0.997).