Skip to main content

Table 1 Characteristics of patients with invasive breast cancer according to recent alcohol consumption in the NHS and the NHSII

From: Alcohol consumption and breast tumor gene expression

  Recent alcohol consumption, g/day
  0 > 0 to < 10 10+
  N = 206 N = 267 N = 126
  Mean SD Mean SD Mean SD
Age at diagnosis, years 61.6 9.6 59.9 9.0 62.3 9.8
BMI at diagnosis, kg/m2 27.3 5.7 25.7 4.6 24.5 4.3
Parity 2.6 1.7 2.7 1.7 2.5 1.9
Cumulative average alcohola, g/day 0.8 2.1 4.2 4.0 19.4 12.0
Recent alcohol, g/day 0 0 3.7 2.6 22.9 16.0
  N % N % N %
First-degree family history 38 18.4 45 16.9 13 10.3
Menopausal at diagnosis
 Premenopausal 32 15.5 56 21.0 15 11.9
 Postmenopausal 169 82.0 203 76.0 108 85.7
 Unknown 5 2.4 8 3.0 3 2.4
Current MHT useb 86 52.4 117 60.0 46 43.8
Year of diagnosis
 1990‒1999 122 59.2 157 58.8 66 52.4
 2000‒2004 66 32.0 90 33.7 52 41.3
 2005‒2009 18 8.7 20 7.5 8 6.3
  1. NHS Nurses’ Health Study, BMI body mass index, MHT menopausal hormone therapy
  2. aCalculated as average alcohol consumption over time prior to breast cancer diagnosis using all available exposure information
  3. bCurrent MHT use among postmenopausal women only