Table 2 Regression results

Constant

0.9437 ***

0.8893, 0.9982

1.1764 ***

1.0027, 1.3500

PASI

−0.0186 ***

0.0000, 0.0002

−0.0224 ***

−0.0267, −0.0181

PASI squared

0.0001 ***

−0.0017, −0.0003

0.0002 ***

0.0001, 0.0003

Age

−0.0010 ***

−0.0035, −0.0003

−0.0057 ***

−0.0087, −0.0026

BMI

−0.0019 **

0.0000, 0.0000

−0.0003

−0.0031, 0.0026

BMI squared

−2.2 × 10⁻⁰⁵ ***

−3.3 × 10⁻⁰⁵, −9.91 × 10⁻⁰⁶

1.99 × 10⁻⁰⁵ ***

−2.57 × 10⁻⁰⁵, −1.40 × 10⁻⁰⁵

Psoriatic arthritis

−0.0570 *

0.0000, 0.0002

−0.0767

−0.1920, 0.0385

PASI * Age

0.0001 **

−0.0055, 0.0001

0.0001***

0.0000, 0.0002

PASI * Psoriatic arthritis

−0.0027 *

−0.0013, 0.0010

−0.0021*

−0.0045, 0.0002

Age * Psoriatic arthritis

−0.0001

0.0527, 0.0849

0.0015

−0.0006, 0.0035

Male

0.0688 ***

0.8893, 0.9982