Table 1

Selected characteristics of cohort members by alcohol consumption frequency
Characteristic Alcohol consumption frequency
Non-drinkers A few times per year 1–4 times per month 2–7 times per week
Cases, n (%) 11 (5.9%) 27 (14.6%) 132 (71.4%) 15 (8.1%)
Participants, n (%) 582 (8.1%) 1239 (17.3%) 4930 (69.0%) 399 (5.6%)
Person-years 10,761 24,947 94,719 6,759
Age at baseline (years)a 53.5±5.6 53.1±5.7 52.3±5.8 53.1±5.7
Age at diagnosis (years)a 67.6±5.9 65.8±9.2 66.7±8.4 68.5±6.1
BMI (kg/m2)a 27.4±3.7 27.2±3.6 27.4±3.8 26.8±4.0
Current smoking (%)
Never 40.9 45.1 25.7 16.5
Former 33.8 26.6 22.5 18.5
Smoker:
≤10 cig/day 9.6 11.7 14.8 12.0
11–19 cig/day 4.3 4.5 9.9 8.8
≥20 cig/day 10.5 10.8 24.9 42.6
Unknown 0.9 1.2 2.2 1.5
Alcohol intake, g/weeka 0 2.5±1.1 56.7±22.1 432.5±195.1
Married (%) 93.5 95.8 95.1 93.5
Education (%)
Primary 24.0 15.5 23.5 34.3
Unfinished secondary 27.7 26.3 28.5 29.1
Secondary 26.5 26.7 25.8 26.3
Higher 20.8 30.2 21.1 8.0
Unknown 1.0 1.3 1.1 2.3

aData are presented as mean ± SD.

Everatt et al.

Everatt et al. BMC Cancer 2012 12:475   doi:10.1186/1471-2407-12-475

Open Data