Table 7.

Generalized linear model, with distribution of probability type gamma and identity function for DLQI-BRA score (n=390)

Cofactors	β coefficient of regression (IC 95%)	p-value
Female gender	0.39 (-1.93-2.71)	0.30
Self-reported white skin color	1.82 (0.30-3.33)	<0.01
Other auto-inflammato- ry diseases	0.53 (-1.07-2.14)	<0.01
Hyperinsulinemia	1.14 (-1.17-3.44)	0.71
First degree relative affected	1.41 (-0.44-3.26)	0.04
Current smoking	1.88 (0.29-3.47)	0.02
Body mass index	-0.09 (-0.28-0.10)	0.12
Time with the disease (years)	0.00 (-0.12-0.11)	0.16
Number of body re- gions affected	0.84 (0.12-1.56)	<0.01
Severity (Hurley)		<0.01
I	0.00 (-)
II	1.40 (-0.73-3.52)
III	5.05 (2.78-7.31)

AIC=2618; p(model)<0.01; p(constant)<0.01