Table 2 Logistic regression analyses for good versus moderate or poor self-reported oral health

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