Table 2.

Logistic regression analyses for good versus moderate or poor self-reported oral health

	Good self-reported oral health versus moderate/poor
	All participants	20–29 years	30–59 years	≥ 60 years
	Adjusted OR (95% CI)	Adjusted OR (95% CI)	Adjusted OR (95% CI)	Adjusted OR (95% CI)
Gender
Male	Ref	Ref	Ref	Ref
Female	1.39 (1.12–1.73)	1.95 (1.12–3.37)	1.33 (0.99–1.76)	1.26 (0.81–1.96)
Municipality size
> 50,000	1.46 (1.12–1.91)	0.84 (0.43–1.63)	1.53 (1.07–2.20)	1.87 (1.12–3.13)
10,000–50,000	1.07 (0.81–1.42)	0.96 (0.45–2.04)	1.33 (0.91–1.95)	0.75 (0.44–1.28)
< 10,000	Ref	Ref	Ref	Ref
Education
Secondary school	Ref	Ref	Ref	Ref
High school	0.85 (0.61–1.19)	1.03 (0.32–3.37)	0.82 (0.49–1.37)	0.76 (0.45–1.28)
University/college	1.36 (0.97–1.93)	1.53 (0.45–5.21)	1.34 (0.81–2.23)	1.17 (0.65–2.10)
General health
Good	4.01 (3.11–5.17)	2.95 (1.38–6.50)	4.38 (3.11–6.17)	3.69 (2.33–5.85)
Moderate/poor	Ref	Ref	Ref	Ref
Tooth brushing
< 2/day	Ref	Ref	Ref	Ref
≥ 2/day	1.28 (0.99–1.64)	1.68 (0.92–3.08)	1.50 (1.07–2.09)	0.83 (0.51–1.35)
Dental visits
≥ every 2nd year	2.35 (1.86–2.97)	1.88 (1.11–3.21)	2.35 (1.73–3.19)	3.43 (1.92–6.12)
< every 2nd year	Ref	Ref	Ref	Ref
Postponed dental visits for financial reasons
No	2.81 (2.10–3.77)	2.89 (1.62–5.14)	3.07 (2.09–4.51)	4.69 (1.43–15.33)
Yes	Ref	Ref	Ref	Ref
Carious teeth
0	3.20 (2.07–4.94)	4.41 (1.84–10.53)	3.57 (1.93–6.59)	2.31 (0.89–5.96)
1–3	2.11 (1.35–3.26)	2.25 (0.95–5.33)	2.39 (1.29–4.43)	1.57 (0.59–4.17)
> 3	Ref	Ref	Ref	Ref
Number of teeth
≥ 20	2.58 (1.70–3.91)	a	a	2.20 (1.34–3.62)
< 20	Ref			Ref
Model summary
Nagelkerke R2	R2 = 0.312	R2 = 0.308	R2 = 0.321	R2 = 0.307
Omnibus test coefficient	P < 0.001	P < 0.001	P < 0.001	P < 0.001
Hosmer and Lemeshow	P = 0.266	P = 0.349	P = 0.141	P = 0.568

OR odds ratio, 95% CI 95% confidence interval. Numbers in bold indicates two-sided P value < 0.05

^aNumber of teeth excluded in regression analyses due to few respondents with < 20 teeth