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. Author manuscript; available in PMC: 2014 Oct 3.
Published in final edited form as: JAMA Dermatol. 2014 Sep 1;150(9):957–963. doi: 10.1001/jamadermatol.2013.9957

Table 1.

Baseline characteristicsa of the study population by history of hypertension

No hypertension (n=47,897) Hypertension (n=29,831)b
Age, years, mean (SD) 60.1(6.8) 62.6(6.7)
White race, % 97.3 95.5
Body mass index, kg/m2, mean (SD) 25.5(4.5) 28.5(5.8)
Alcohol intake, g/d, mean (SD) 5.1(8.6) 4.8(9.2)
Physical activity, metabolic equivalent hrs/wk, mean (SD) 19.6(23.2) 16.4(21.0)
Current smoking, % 11.8 9.2
Cardiovascular disease, % 0.9 2.6
Type 2 diabetes, % 5.0 13.7
Hypercholesterolemia, % 45.9 63.9
Postmenopausal hormones use, % 43.0 43.6
NSAIDs use, % 52.8 59.7
Multi-vitamins supplement, % 52.8 51.5

Abbreviation: SD, standard deviation.

a

All variables other than age have been standardized to the age distribution of the study population.

b

Median hypertension duration time was 11 years.