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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*§Comments to Author 
Author affiliations: *University of Helsinki, Helsinki, Finland; †Kuopio University Hospital, Kuopio, Finland; ‡North Karelia Central Hospital, Joensuu, Finland; §Helsinki University Central Hospital, Helsinki, Finland

Main Article

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)

Main Article

1This study was in part presented at the 12th International Workshop on Campylobacter, Helicobacter and Related Organisms, Aarhus, Denmark, September 6–10, 2003.

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