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Volume 9, Number 10—October 2003
Research

Hazards of Healthy Living: Bottled Water and Salad Vegetables as Risk Factors for Campylobacter Infection

Meirion R. Evans*Comments to Author , C. Donald Ribeiro†, and Roland L. Salmon‡
Author affiliations: *University of Wales College of Medicine, Cardiff, United Kingdom; †Cardiff Public Health Laboratory, Cardiff, United Kingdom; ‡Public Health Laboratory Service Communicable Disease Surveillance Centre (Wales), Cardiff, United Kingdom

Main Article

Table 1

Comparison of personal and household factors in campylobacter case-patients and non-case-patientsa

Variable Case-patients
(n=213)
 Non-case-patients
(n=1144)
 OR
(95% CI) p value
No. (%) No. (%)
Female
 99
 (46.5)
 504
 (44.1)
 1.10 (0.82 to 1.48)
 0.56
Age group
0–14 y
 26
 (12.2)
 328
 (28.7)
 Reference
15–44 y
 84
 (39.4)
 323
 (28.2)
 3.28 (2.06 to 5.23)
 <0.001
45–64 y
 72
 (33.8)
 231
 (20.2)
 3.93 (2.44 to 6.35)
 <0.001
>65 y
 30
 (14.1)
 255
 (22.3)
 1.48 (0.86 to 2.57)
 0.16
Employment status
Employed
 92
 (43.2)
 352
 (30.8)
 Reference
Full-time student
 27
 (12.7)
 82
 (7.2)
 1.26 (0.77 to 2.06)
 0.36
Caring for home and family
 15
 (7.0)
 84
 (7.3)
 0.68 (0.38 to 1.23)
 0.21
Other
 45
 (21.1)
 453
 (39.6)
 0.38 (0.26 to 0.56)
 <0.001
Unemployed
 10
 (4.7)
 31
 (2.7)
 1.23 (0.58 to 2.61)
 0.58
Long-term illness
 16
 (7.5)
 84
 (7.3)
 0.53 (0.24 to 1.14)
 0.29
Mean no. of other people in household (median, range)
 3.0
 (3)
(1-12)
 3.2
 (3)
(1-36)
0.98b
Child <5 y of age in the household
 28
 (13.1)
 326
 (28.5)
 0.38 (0.25 to 0.57)
 <0.0001
Mean no. of children <5 y of age in household (median, range)
 0.21
 (0)
(0-5)
 0.41
 (0)
(0-5)
<0.0001b
Other ill person in the household
 15
 (7.0)
 112
 (9.8)
 0.70 (0.39 to 1.20)
 0.26
Mean no. of other ill people in household (median, range)
 0.09
 (0)
(0-3)
 0.15
 (0)
(0-6)
0.20b
Child caregiver
 3
 (1.4)
 25
 (2.2)
 0.64 (0.15 to 1.94)
 0.61c
Food handler 8 (3.8) 61 (5.3) 0.69(0.31 to 1.41) 0.43

aOR, odds ratio; CI, confidence interval.
bMann-Whitney U test.
cFisher exact test.

Main Article

Page created: January 10, 2011
Page updated: January 10, 2011
Page reviewed: January 10, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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