. Author manuscript; available in PMC: 2014 Jan 8.

Published in final edited form as: Br J Dermatol. 2012 Apr;166(4):10.1111/j.1365-2133.2011.10774.x. doi: 10.1111/j.1365-2133.2011.10774.x

Table 1.

Characteristics of the study population by psoriasis status, Nurse’s Health Study II, 1991-2009 ^*

Characteristics	Psoriasis
	No	Yes
Age, median (IQR), year	44 (10.0)	45 (10.0)
Race (white, %)	95.3	96.4
Body mass index, kg/m², median (IQR)	24.7 (7.1)	25.8 (8.7)
Alcohol intake, g/d, median (IQR)	1.2 (4.8)	1.2 (4.9)
Physical activity, metabolic equivalent hours/wk, median (IQR)	12.4 (22.4)	10.5 (19.7)
Current smoking (%)	9.2	13.2
Family history of cardiovascular disease ^† (%)	47.6	51.9
Postmenopausal hormone (%)	14.1	16.4
Oral contraceptives use (%)	84.2	84.9
Hypertension (%)	14.4	19.0
Hypercholesterolemia ^‡ (%)	25.1	31.6
Aspirin use ^§ (%)	28.8	31.8
Multi-vitamin use (%)	47.0	46.5

Values are medians (interquartile range, IQR) or percentages.

^†

The parents’ or siblings’ lifetime diagnosis of MI or stroke.

^‡

Physician-diagnosed elevated cholesterol.

^§

Regularly use of aspirin or aspirin-containing products.