Volume 15, Number 9—September 2009
Research
Chicken Consumption and Use of Acid-Suppressing Medications as Risk Factors for Campylobacter Enteritis, England
Table 1
Final multivariable model of both habitual risk factors and risk factors for Campylobacter enteritis in the previous 5 days, adjusted for participant age group and sex, study site, and month of year, England, 2005–2006
Exposure domain and variable | Odds ratio | 95% Confidence interval | p value |
---|---|---|---|
Health details | |||
Previous Campylobacter infection | 2.20 | 1.33–3.64 | 0.002 |
Use of acid-suppressing medication in previous 28 days |
3.39 |
2.49–4.62 |
<0.001 |
Pets | |||
Pet fish | 0.56 | 0.33–0.94 | 0.029 |
If last pet acquired was a dog, how long ago was it acquired? | |||
Dog was not last pet bought/no pets | 1.00 | – | – |
>6 months ago | 0.76 | 0.57–1.01 | 0.057 |
3–6 months ago | 1.30 | 0.53–3.16 | 0.566 |
1–3 months ago | 1.74 | 0.62–4.93 | 0.296 |
2–4 weeks ago | 14.40 | 3.69–56.14 | <0.001 |
<2 weeks ago |
1.08 |
0.12–9.90 |
0.946 |
Food | |||
No. times salads eaten per week | |||
0 | 1.00 | – | – |
1 | 0.89 | 0.63–1.26 | 0.503 |
2 | 0.58 | 0.40–0.82 | 0.002 |
3 | 0.72 | 0.49–1.05 | 0.086 |
4 | 0.93 | 0.62–1.40 | 0.739 |
>5 | 0.63 | 0.44–0.91 | 0.013 |
No. times legumes eaten per week | |||
0 | 1.00 | – | – |
1 | 0.65 | 0.51–0.84 | 0.001 |
2 | 0.57 | 0.44–0.75 | <0.001 |
3 | 0.47 | 0.33–0.68 | <0.001 |
4 | 0.65 | 0.40–1.05 | 0.078 |
>5 | 0.66 | 0.42–1.04 | 0.071 |
No. times fruit eaten per week | |||
0 | 1.00 | – | – |
1 | 0.95 | 0.53–1.69 | 0.860 |
2 | 1.57 | 0.96–2.55 | 0.071 |
3 | 1.19 | 0.71–1.98 | 0.518 |
4 | 1.77 | 1.05–2.98 | 0.032 |
>5 | 1.06 | 0.70–1.61 | 0.775 |
No. times chicken eaten per week | |||
0 | 1.00 | – | – |
1 | 1.62 | 0.98–2.68 | 0.058 |
2 | 1.96 | 1.16–3.32 | 0.012 |
3 | 1.70 | 0.98–2.95 | 0.061 |
4 | 2.10 | 1.16–3.79 | 0.014 |
>5 | 3.74 | 2.06–6.80 | <0.001 |
Regularly drinks raw milk | 1.00 | – | – |
Rarely/never | |||
Yes, regularly | 0.24 | 0.08–0.72 | 0.010 |
Yes, occasionally | 0.70 | 0.33–1.51 | 0.365 |
Location where chicken eaten in past 5 days was prepared | |||
No chicken eaten | 1.00 | – | – |
In the home/someone else's home only | 0.70 | 0.49–1.00 | 0.050 |
Outside the home only | 1.95 | 1.26–3.01 | 0.003 |
In the home and outside the home | 0.70 | 0.48–1.03 | 0.069 |
1The Campylobacter Case–Control Study Group comprises the following: Sarah J. O’Brien (Manchester University); Clarence C. Tam, Craig D. Higgins, Laura C. Rodrigues, and Brendan W. Wren (London School of Hygiene and Tropical Medicine); Keith R. Neal (University of Nottingham); Bob Owen and Judith Richardson (Health Protection Agency Centre for Infections); Bharat C. Patel (Health Protection Agency Collaborating Centre, North Middlesex Hospital); Peter Sheridan (North East and Central London HPU); John Curnow (Cheshire and Merseyside HPU); Ken Lamden (Cumbria and Lancashire HPU); and Sally Millership (Essex HPU).