Table 2.

Multiple regression analysis of log(8-oxodGuo) levels against lifestyle factors

VariableCoefficientSEP
All subjects
    Smoking status0.5910.1240.00001
    Coffee and tea consumption−0.4320.2070.041
    Age0.01690.0090.088
    Physical activity−0.2980.2110.162
Nonsmokers and ETS-exposed subjects
    ETS exposure0.5170.2510.045
    Coffee and tea consumption−0.7670.2620.0053
    Age0.02530.01280.049
    Physical activity−0.2070.2490.411