Long-term vitamin E supplementation fails to reduce lipid peroxidation in people at cardiovascular risk: analysis of underlying factors

Table 3 Multiple regression analysis: variables associated with urinary excretion of 8-epi-PGF_2α

	all subjects (n = 144)		nonsmokers (n = 120)
VARIABLE	β	p	β	p
Smoking	0.46	<0.0001	–	–
Vitamin E treatment	-0.14	0.12	-0.10	0.32
Systolic blood pressure (mmHg)	0.13	0.19	0.26	0.02
Obesity	0.12	0.21	0.15	0.15
Sex (M)	0.11	0.22	0.13	0.21
Aspirin treatment	-0.10	0.24	-0.07	0.45
Blood glucose (mg/dL)	0.09	0.35	0.17	0.11
Diastolic blood pressure (mmHg)	-0.05	0.63	-0.07	0.50
Age (y)	0.04	0.67	0.09	0.38
Blood cholesterol (mg/dL)	0.03	0.74	0.11	0.30

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