Table 1

Demographic and life style characteristics of men in the study groups



Greenland n = 72
Warsaw n = 98
Sweden n = 100
Kharkiv n = 88
All n = 358



Age
median
30 (70)
30 (97)
47 (96)
25 (85)
31 (348)
years
min-max
18–46
24–46
24–68
16–45
16–68







BMI
median
26 (72)
25 (96)
26 (99)
24 (86)
25 (353)
Kg/m2
min-max
12–38
19–38
22–37
19–36
12–38







Alcohol
median
2.0 (36)
3.5 (86)
n.a
2.5 (66)
3.0 (188)
drink/week
min-max
0–21
0–30

0.2–15
0–30







Smoking ever
%
89 (71)
50 (97)
60 (98)
82 (87)
68 (353)







Seafood
median
1.5 (68)
1.0 (89)
n.a
4.0 (86)
2.0 (243)
days/week
min-max
0–9.0
0–9.0

1.0–9.0
0–9.0







Coffee
median
3.0 (62)
2.0 (83)
n.a
2.0 (37)
2.0 (182)
cups/day
min-max
0–20
0–6.0

0.5–7.0
0–20







Total testosterone
median
15 (36)
13 (76)
12 (99)
18 (88)
14 (299)
nmol/l
min-max
3.2–25
6.5–23
4.2–28
8.4–32
3.2–32







Estradiol
median
59 (35)
71 (76)
67 (99)
78 (88)
70 (298)
nmol/l
min-max
31–89
45–297
25–154
33–144
25–297

The values in the bracket are the numbers of individuals with data for the specific demographic and life style characteristics.

Bonefeld-Jorgensen et al. Environmental Health: A Global Access Science Source 2006 5:12   doi:10.1186/1476-069X-5-12