Volume 10, Number 8—August 2004
Dispatch
Swimming and Campylobacter Infections1
Daniela Schönberg-Norio*, Johanna Takkinen*, Marja-Liisa Hänninen*, Marja-Leena Katila†, Suvi-Sirkku Kaukoranta‡, Leena Mattila§, and Hilpi Rautelin*§
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) |
