Table 1

Characteristics of the study population nested within the Danish cohort Diet, Cancer and Health.


Cases
Sub-cohort

Totala
405 (100)
810 (100)
Gendera


Men
221 (55)
442 (54)
Women
184 (45)
368 (46)
Age at inclusionb
58 (51–64)
56 (50–63)
Age at diagnosisb
62 (54–70)
-
Alcohol intake, g/dayb


Total
13 (1–69)
12 (1–63)
Men
23 (2–88)
19 (1–77)
Women
8 (0–41)
8 (1–39)
Smoking status at inclusiona


Never
123 (30)
272 (33)
Former
122 (30)
252 (31)
Present
160 (40)
286 (36)
Smoking intensity, g tobacco/dayb


Total
15 (4–37)
15 (2–35)
Men
19 (4–41)
18 (2–40)
Women
12 (3–22)
12 (2–23)
Smoking duration, yearsb


Total
34 (8–47)
32 (6–46)
Men
34 (8–48)
32 (8–48)
Women
34 (7–45)
32 (4–44)

a) Number (%)

b) Median (5–95% percentiles)

Hansen et al. BMC Cancer 2008 8:54   doi:10.1186/1471-2407-8-54