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Table 5 Periodontitis stage II and stage III/IV in relation to 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)

Unadjusted OR (95% CI)

Adjusted OR (95% CI) n = 1633

Unadjusted OR (95% CI)

Adjusted OR (95%CI) n = 1434

Ethnicity

 Sámi

1.0 (0.8–1.2)

1.3 (0.9–1.7)

1.1 (0.9–1.4)

1.6 (1.1–2.2)

 Non-Sámi

Ref.

Ref.

Ref.

Ref.

Sex

 Men

1.1 (0.9–1.4)

1.3 (1.1–1.7)

1.5 (1.2–1.9)

1.7 (1.2–2.4)

 Women

Ref.

Ref.

Ref.

Ref.

Age (years)

 65–75

6.9 (4.7–10.0)

9.7 (6.4–14.9)

10.2 (6.7–15.4)

12.2 (7.6–19.7)

 50–64

7.0 (5.3–9.1)

8.4 (6.2–11.2)

9.1 (6.7–12.5)

10.6 (7.3–15.1)

 35–49

Ref.

Ref.

Ref.

Ref.

 18–34

0.1 (0.05–0.2)

0.1 (0.06–0.2)

0.08 (0.04–0.2)

0.1 (0.04–0.2)

Education (years)

 1–9 years

2.1 (1.5–3.0)

0.9 (0.6–1.4)

4.2 (2.9–6.0)

2.0 (1.3–3.1)

 10–13 years

1.3 (1.1–1.6)

1.3 (0.9–1.7)

1.4 (1.1–1.8)

1.5 (1.1–2.1)

  > 14 years

Ref.

Ref.

Ref.

Ref.

Smoking

 Yes

1.7 (1.3–2.2)

2.9 (2.1-4.1)

2.8 (2.1–3.7)

4.4 (3.0–6.4)

 No

Ref.

Ref.

Ref.

Ref.

Dental attendance

 Seldom

1.1 (0.8–1.6)

1.4 (0.9–1.6)

1.3 (0.8–2.0)

1.6 (0.8–2.9)

 Every other year

Ref.

Ref.

Ref.

Ref.

 Yearly

1.4 (1.1–1.7)

1.2 (0.9–1.5)

2.3 (1.8–3.0)

2.0 (1.4–2.9)

  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