Table 3.

Multivariate regression coefficients (in nmole carbonyls/ml plasma) and their standard errors (S.E.) for oxidized protein^*

Characteristic	β**	S.E.	p-value
Intercept	13.290	1.635	<0.0001
Age (per 10-year increase)	0.59	0.23	0.010
Sex
Female vs. Male	0.260	0.266	0.328
Ethnicity
Hispanic vs. White	-0.583	0.456	0.217
Black vs. White	1.299	0.491	0.008
Asian vs. White	0.241	0.460	0.600
Educational Attainment
College vs High School Degree	-0.028	0.312	0.929
Graduate vs High School Degree	-0.751	0.321	0.020
p-trend for education			0.089
Smoking status (current vs former)	0.730	0.578	0.207
Years smoked (per 10 years)	0.052	0.11	0.637
Self-reported packs per day	-0.0971	0.196	0.621
Urine cotinine level	-0.00008	0.0001	0.488
Packyears	-0.001	0.005	0.767
Cotinine Creatinine Ratio (CCR)
14<CCR<40 vs 0<CCR<14	0.241	0.399	0.546
40<CCR<300 vs 0<CCR<14	1.174	0.395	0.003
300<CCR<1500 vs 0<CCR<14	-0.005	0.631	0.994
1500<CCR vs O<CCR<14	-0.581	0.672	0.388
BMI (kg/m2)
0<BMI<20 vs 20≤BMI<25	0.312	0.561	0.578
25≤BMI<30 vs 20≤BMI<25	0.257	0.297	0.388
30≤BMI vs 20≤BMI<25	0.557	0.3456	0.108
p-trend for BMI			0.155

^*Adjusted for variables in the table.

^**β is change in plasma carbonyl (nmole/ml plasma) per unit change in characteristic.