Table 2.

Means of DNA adducts ± standard error (SE) case-control status considering the number of DNA repair risk alleles plus the parameter estimates of the multivariate regression model.

	N a	Meansb ± S.E.	Odds Ratio	C.I.	P-value
0-1 risk alleles
Smoking habit
Nonsmokerc	6	1.7 ± 1.5	1
Former smoker	12	0.4 ± 0.1	0.08	0.00–9.76	.302
Smoker <40 years	2	0.3 ± 0.2	0.33	0.00–67.26	.686
Smoker ≥40 years	5	1.3 ± 1.1	0.16	0.00–27.05	.480
Status
Controlsc	13	1.3 ± 0.7	1
Benign lung disease	4	0.4 ± 0.1	1.23	0.08–19.30	.884
Lung cancer	8	0.5 ± 0.2	0.43	0.05–4.00	.458
2 risk alleles
Smoking habit
Nonsmokerc	7	0.4 ± 0.1	1
Former smoker	10	0.7 ± 0.4	2.46	0.12–50.98	.560
Smoker <40 years	5	0.8 ± 0.6	0.86	0.03–28.37	.933
Smoker ≥40 years	9	1.7 ± 0.6	20.91	0.62–709.04	.091
Status
Controlsc	12	0.5 ± 0.2	1
Benign lung disease	7	1.1 ± 0.6	1.11	0.12–10.00	.928
Lung cancer	12	1.3 ± 0.5	2.39	0.25–22.62	.447
3-4 risk alleles
Smoking habit
Nonsmokerc	5	0.4 ± 0.2	1
Former smoker	20	1.7 ± 0.7	9.47	0.52–173.16	.130
Smoker ≥40 years	9	2.9 ± 1.3	36.38	1.17–1132.84	.040
Status
Controlsc	12	1.5 ± 0.6	1
Benign lung disease	15	2.1 ± 0.9	0.45	0.06–3.69	.460
Lung cancer	11	2.3 ± 1.1	4.54	0.33–62.93	.259

^aSome figures do not add up to the total because of missing values.

^bLevels per 10⁸ normal nucleotides.

^cReference level.