Volume 16, Number 12—December 2010
Research
Freshwater Aquaculture Nurseries and Infection of Fish with Zoonotic Trematodes, Vietnam
Table 3
Logistic regression analyses of fishborne zoonotic trematode prevalence found in different fish species and nursery systems in Nam Dinh and Ninh Binh provinces, northern Vietnam*
| Variable | Estimate† | SE | OR (95% CI) | p value |
|---|---|---|---|---|
| Intercept |
−1.672 |
0.2877 |
||
| Province | 0.0123 | |||
| Nam Dinh | 1.026 | 0.3803 | 0.359 (0.164–0.785) | |
| Ninh Binh‡ |
0 |
1 |
||
| Fish | <0.0001 | |||
| Grass carp | 1.794 | 0.1668 | 6.013 (4.336–8.340) | |
| Silver carp | 0.284 | 0.1558 | 1.329 (0.979–1.804) | |
| Mrigal | 0.032 | 0.2260 | 1.033 (0.663–1.609) | |
| Rohu‡ |
0 |
1 |
||
| Culture system | <0.0001 | |||
| 1-week-old juveniles‡ | 0 | 1 | ||
| 4-week-old juveniles | 1.194 | 0.1485 | 3.299 (2.465–4.414) | |
| Overwintered juveniles | 2.552 | 0.1684 | 12.831 (9.222–17.852) |
*OR, odds ratio; CI, confidence interval.
†Parameter estimate of variables in the resulting model.
‡Referent.


