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Table 1 Background and behavioral characteristics of individuals with psoriasis and controls

From: Association between moderate to severe psoriasis and periodontitis in a Scandinavian population

  All participants Propensity score matched participants
  Psoriasis individuals N = 50 Controls N = 121 Psoriasis individuals N = 50 Controls N = 50
Age (yr)     
Mean (SD) 44.4 (10.2) 48.6 (9.4)* 44.4 (10.2) 44.1 (8.1)
Female gender 24% 50%* 24% 32%
Education     
Lower secondary or less 16% 3% 16% 4%
Upper secondary 58% 28% 58% 54%
Higher education 26% 69%* 26% 42%
Tooth brushing twice a day or more 58% 85%* 58% 78%
Daily interdental cleaning 30% 41% 30% 32%
Regular dental visits 58% 89%* 58% 78%
Last dental visit ≤1 yr ago 62% 82%* 62% 72%
Smoking     
Never smoked 22% 47% 22% 52%
Former smoker 46% 40% 46% 30%
Current smoker 32% 13%* 32% 18%*
BMI ≥ 25 62% 51% 62% 60%
Immunosuppressive medicaments 68% 2%* 68% 2%*
  1. *differences statistically significant at p < 0.05 level.