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Table 4 Hazard ratios (HRs) of combinations of cardiovascular risk factors in relation to breast cancer risk

From: Cardiovascular risk factors and breast cancer incidence in a large middle-aged cohort study

Number of cardiovascular

risk factors

Number of subjects

Model 1

HR (95% CI)a

Model 2

HR (95% CI)b

0–2

4877

Reference

Reference

≥ 3

2624

1.15 (0.97, 1.36)

1.27 (1.06, 1.53)*

  1. a Model 1 adjusted for no factor
  2. b Model 2 adjusted for race/ethnicity, menopausal status, education level, and income
  3. * P-value < 0.05