Table 2

Multivariate adjusteda ORs and 95% CIs for cyclin D1 status among women <45 years of age in New Jersey from 1990 to 1992

Cyclin D1+vs. controlsCyclin D1vs. controlsCyclin D1+vs. cyclin D1
OR (95% CI)OR (95% CI)OR (95% CI)
Ever use of OCs
 Never1.01.0
 Ever1.57 (1.0–2.49)1.04 (0.74–1.48)1.50 (0.92–2.47)
No. of years since first use of OC (yr)
 Never users1.01.0
  <151.44 (0.72–2.89)1.14 (0.66–1.98)1.26 (0.59–2.69)
  15–191.08 (0.59–1.96)0.92 (0.60–1.44)1.16 (0.61–2.12)
  ≥202.23 (1.24–4.01)1.10 (0.70–1.76)2.01 (1.08–3.74)
 Alcohol intake (drinks/week)
  None1.01.0
  <70.85 (0.54–1.32)1.05 (0.73–1.49)0.81 (0.50–1.32)
  ≥70.66 (0.28–1.55)1.31 (0.73–2.38)0.50 (0.21–1.21)
 Age at first birth (for each additional yr relative to mean)1.06 (1.00–1.11)1.03 (0.99–1.07)1.03 (0.98–1.08)
 Parous Ever1.01.0
  Never1.12 (0.66–1.91)1.11 (0.73–1.69)1.01 (0.57–1.80)
 Age at menarche (yr)
  8–121.01.0
  13+0.73 (0.48–1.10)0.74 (0.53–1.03)0.98 (0.62–1.53)
 Family history
  None1.01.0
  First-degree relatives1.60 (0.79–3.25)2.55 (1.52–4.28)0.63 (0.32–1.24)
 Prior breast biopsy
  No1.01.0
  Yes3.49 (1.68–7.27)2.52 (1.32–4.83)1.39 (0.68–2.82)
 Caloric intake (kcal, in quartiles)
  <11001.01.0
  1100–14501.36 (0.76–2.44)1.48 (0.91–2.39)0.92 (0.48–1.75)
  1450–18300.95 (0.50–1.78)1.34 (0.82–2.18)0.71 (0.36–1.42)
  ≥18301.49 (0.82–2.70)2.01 (1.24–3.23)0.74 (0.39–1.42)
  • a Adjusted for all other variables in the table.