Volume 12, Number 12—December 2006
Research
Risk Factors for Human Infection with Avian Influenza A H5N1, Vietnam, 2004
Pham Ngoc Dinh*, Hoang Thuy Long*, Nguyen Thi Kim Tien†, Nguyen Tran Hien*, Le Thi Quynh Mai*, Le Hong Phong*
, Le Van Tuan†, Hoang Van Tan*, Nguyen Binh Nguyen*, Phan Van Tu†, Nguyen Thi Minh Phuong†, and the World Health Organization/Global Outbreak Alert and Response Network Avian Influenza Investigation Team in Vietnam
, Le Van Tuan†, Hoang Van Tan*, Nguyen Binh Nguyen*, Phan Van Tu†, Nguyen Thi Minh Phuong†, and the World Health Organization/Global Outbreak Alert and Response Network Avian Influenza Investigation Team in Vietnam
Table 2
Results of multivariate analysis of potential risk factors for human infection with avian influenza A H5N1, Vietnam, 2004*
| Exposure and characteristics | Odds ratio | 95% CI | p value |
|---|---|---|---|
| Prepare and cook sick or dead poultry | 8.99 | 0.98–81.99 | 0.052 |
| Sick or dead poultry in household | 4.94 | 1.21–20.20 | 0.026 |
| No indoor water source in household | 6.46 | 1.20–34.81 | 0.03
*Conditional logistic regression; final model with 3 variables entered; χ2 for likelihood ratio test = 28.35; p<0.001; no. observations = 134; CI, confidence interval. *Conditional logistic regression; final model with 3 variables entered; χ2 for likelihood ratio test = 28.35; p<0.001; no. observations = 134; CI, confidence interval. |
*Conditional logistic regression; final model with 3 variables entered; χ2 for likelihood ratio test = 28.35; p<0.001; no. observations = 134; CI, confidence interval.
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