Table 2: Descriptive data, .

Range (mean) SD (%)

Age, years25420–80 (47) 12
Years with psoriasis2451–60 (24) 13
BMI25117–49 (28) 5
Pretreatment PASI score2530.4–26.1 (7.5) 4.1
Posttreatment PASI score2530–20.6 (1.6) 2.2
Sex, women254102 (40)
Educational level254
 Primary school 12 years153 (60)
 University < 4 years52 (20)
 University 4 years49 (19)
Employed, yes254174 (69)
Living alone, yes25070 (28)
Comorbidity, yes254111 (44)
PsA verified by doctor, yes25264 (25)
Previous climate therapy, yes252140 (55)
PKQ T12535–43 (24.4) 7.0
PKQ T22496–44 (29.7) 7.0
PKQ T32119–43 (29.3) 7.1

BMI: body mass index, PsA: psoriasis arthritis, PASI: psoriasis area severity index, PKQ: psoriasis knowledge questionnaire, T1: before climate therapy, T2: immediately after climate therapy, and T3: three months after climate therapy.