Volume 10, Number 8—August 2004
Dispatch
Swimming and Campylobacter Infections1
Table 1
Patient characteristics
Characteristic | Patients N = 100 (%) | Controls N = 137 (%) |
---|---|---|
Sex |
||
Male |
42 (42) |
56 (41) |
Female |
58 (58) |
81 (59) |
Age (y) |
||
1–4 |
4 (4) |
6 (4) |
5–9 |
1 (1) |
2 (2) |
10–19 |
3 (3) |
5 (4) |
20–29 |
13 (13) |
18 (13) |
30–39 |
9 (9) |
13 (10) |
40–49 |
15 (15) |
18 (13) |
50–59 |
26 (26) |
32 (23) |
>60 |
29 (29) |
43 (31) |
Median age (y) |
51 |
51 |
Municipality |
||
Helsinki |
35 (35) |
47 (34) |
Kuopio |
44 (44) |
62 (45) |
Joensuu | 21 (21) | 28 (20) |
1This study was in part presented at the 12th International Workshop on Campylobacter, Helicobacter and Related Organisms, Aarhus, Denmark, September 6–10, 2003.