Table 2

Smoking characteristics among psoriasis and PsA patients

Psoriasis (N=404)PsA (N=728)p Value
Smoking status
 Never smoked174 (43%)396 (54.4%)0.001
 Current108 (26.7%)162 (22.3%)
 Past122 (30.2%)170 (23.4%)
Cigarettes smoked, n (per day)*
 1–9 cigarettes79 (38.4%)68 (31.3%)0.23
 10–19 cigarettes61 (29.6%)52 (24%)
 More than 20 cigarettes66 (32%)97 (44.7%)
 Years smoked, n*19.4 (11.3)15.8 (11.4)0.002
  • * Psoriasis (N=177) and psoriatic arthritis (PsA) (N=217).