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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