Volume 17, Number 10—October 2011
Letter
Zoonotic Ascariasis, United Kingdom
Richard P. Bendall
, Maggie Barlow, Martha Betson, J. Russell Stothard, and Peter Nejsum
, Maggie Barlow, Martha Betson, J. Russell Stothard, and Peter Nejsum
Table
Risk factors for ascariasis versus enterobiasis in residents of Cornwall, United Kingdom, 1995–2010
| Risk factor | Ascariasis, no. with risk factor/total no. cases* | Enterobiasis, no. with risk factor/total no. cases† | Odds ratio (95% confidence interval) | p value‡ |
|---|---|---|---|---|
| Age <5 y | 22/62 | 3/38 | 6.42 (1.77–23.30) | 0.0037 |
| Female sex | 35/62 | 22/38 | 0.845 (0.372–1.920) | 0.83 |
| Pig holding within same postcode | 11/50 | 2/35 | 4.65 (0.962–22.500) | 0.036 |
*n = 63 patients. Postcode not available for 12 patients; 1 postcode was outside of Cornwall. Thus, only 50/63 patients were included in postcode analysis. Sex not indicated for 1 patient; age not indicated for 1 patient. Thus, only 62/63 patients were included in age and sex analyses.
†n = 38 patients. Postcode outside of Cornwall for 3 patients. Thus, only 35/38 patients were included in postcode analysis.
‡By Fisher exact test. Boldface indicates significance.
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