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Table 6 Ethnicity-stratified Odds ratio for Periodontitis stage II and stage III/IV by demographic, socioeconomic and behavioral factors

From: Periodontal health in an indigenous Sámi population in Northern Norway: a cross-sectional study

Background characteristics

NSP vs. Stage II

(total n = 1661)

NSP vs. Stage III/IV

(total n = 1463)

Adjusted OR (95% CI)

Adjusted OR (95% CI)

 

Sámi

Non-Sámi

Sámi

Non-Sámi

 

n = 1078

n = 555

n = 956

n = 478

Sex

 Men

1.4 (1.1–2.0)

1.2 (0.8–1.9)

2.1 (1.4–3.0)

1.2 (0.7–2.1)

 Women

Ref.

Ref.

Ref.

Ref.

Age (years)

 65–75

8.5 (5.0–14.4)

11.9 (6.0–23.7)

10.9 (6.0–20.0)

15.7 (7.3–34.8)

 50–64

8.8 (6.1–12.9)

7.5 (4.5–12.2)

11.6 (7.3–18.3)

9.1 (4.9–17.0)

 35–49

Ref.

Ref.

Ref.

Ref.

 18–34

0.08 (0.4–0.2)

0.1 (0.06–0.4)

0.1 (0.04–0.3)

0.07 (0.01–0.5)

Education (years)

 1–9 years

0.8 (0.5–1.4)

1.1 (0.5–2.6)

2.0 (1.2–3.5)

2.5 (1.1–5.7)

 10–13 years

1.3 (0.9–1.8)

1.2 (0.8–1.9)

1.8 (1.2–2.9)

1.1 (0.6–1.9)

  > 14 years

Ref.

Ref.

Ref.

Ref.

Smoking

 Yes

2.3 (1.5–3.6)

4.0 (2.3–7.0)

4.7 (2.9–7.6)

4.5 (2.3–8.6)

 No

Ref.

Ref.

Ref.

Ref.

Dental attendance

 Seldom

1.9 (1.1–1.9)

0.9 (0.3–2.5)

1.4 (0.6–2.8)

2.9 (0.9–9.5)

 Every other year

Ref.

Ref.

Ref.

Ref.

 Yearly

1.4 (0.9–3.0)

0.8 (0.5–1.3)

2.1 (1.4–3.2)

1.9 (1.1–3.6)

  1. NSP = non-severe periodontitis. Ref. = Reference group. Adjusted for all variables in the model. In the adjusted model participants with missing values are excluded. Bold = significant differences compared to reference group