Table 2.

Association between breast cancer and coronary heart disease.

	Model 1 OR (95% CI)	Model 2 OR (95% CI)	Model 3 OR (95% CI)	Model 4 OR (95% CI)	Model 5 OR (95% CI)
Non-breast cancer	Reference	Reference	Reference	Reference	Reference
Breast cancer	2.30 (2.29–2.31)	1.17 (1.17–1.18)	1.18 (1.18–1.19)	1.11 (1.10–1.11)	1.11 (1.10–1.12)

Model 1: Non-adjusted.

Model 2: Adjusted for age, marital status, race/ethnicity, education level, and poverty to income ratio.

Model 3: Further adjusted for smoking, alcohol intake, physical activity, and BMI.

Model 4: Further adjusted for chronic disease including hypertension, hypercholesterolemia, and diabetes.

Model 5: Further adjusted for dietary factors including energy, carbohydrate, protein, total fat, fiber, folate, vitamin B12, sodium, and caffeine.