Table 3.

Factors associated with out-of-pocket expenses (US Dollars, 6-month period) related to medical care^a.

Variables in the model	Observed(crude)			Adjustedb
	Mean difference	95% CI	p-value	Mean difference	95% CI	p-value
PASI	6.25	(1.92–10.57)	0.005	2.14	(−2.62–6.91)	0.374
DLQI	6.95	(3.53–10.37)	0	5.42	(1.57–9.28)	0.006
Occupational status
Employee	0			0
Unemployed	−31.84	(−95.45–31.75)	0.323	−20.17	(−79.18–38.84)	0.499
Pensioner	−55.55	(−119.15–8.053)	0.086	−44.97	(−79.18–38.84)	0.133
Treatment
Topical	61.13	(−50.81–173.07)	0.281	33.37	(74.08–140.84)	0.539
Systemic	−7.86	(−39.42–23.68)	0.622	−14.53	(−44.59–15.52)	0.339
Phototherapy	33.38	(8.64–58.14)	0.009	33.88	(10.65–57.12)	0.005
Biological	−3.38	(−22.85–16.09)	0.731	−2.81	(−21.57–15.94)	0.766
Other	−7.75	(−32.29–16.78)	0.532	−4.61	(−70.98–159.10)	0.694
None	0			0

95% CI, Confidence Interval 95%.

^aData using a generalized linear models’ family gaussian, link identity.

^bAdjusted by: PASI, DLQI, occupational status, treatment.