Table 3.

Departure from multiplicativity between acetylation status and smoking status among patients with breast cancer

	Acetylation status		Crude statistic		Adjusted statistica
Smoking status	Slow	Fast	OR	95% CI	OR	95% CI
Active smoker	162	85	1.04	0.59 to 1.82	0.88	0.45 to 1.70
Passive smoker	114	73	0.85	0.48 to 1.52	0.75	0.39 to 1.45
Nonsmoker	44	24	1.0	-	1.0	-

^aControlling for age, alcohol consumption, body mass index, family history of breast cancer, family history of benign breast disease, parity, and geographical location. -, not calculated; CI, confidence interval; OR, odds ratio.