Research Article
Soil Contamination with Toxocara Eggs in Public Schools in Rural Areas of Southern Thailand
Table 1
Soil contamination by Toxocara eggs in the subdistricts and public schools in Nakhon Si Thammarat province in southern Thailand.
| Study site | No. of soil samples | No. of positive samples | Rate of contamination (%) | 95% CI | Fisher’s exact test |
| Krung Ching | | S1 | 10 | 2 | 20.0 | S2 | 10 | 4 | 40.0 | S3 | 10 | 2 | 20.0 | Total | 30 | 8 | 26.7 | 12.3, 45.9 | Nopphitam | S4 | 10 | 2 | 20.0 | S5 | 10 | 4 | 40.0 | S6 | 10 | 2 | 20.0 | S7 | 10 | 0 | 0.0 | Total | 40 | 8 | 20.0 | 9.1, 35.6 | Na Reng | S8 | 10 | 0 | 0.0 | S9 | 10 | 0 | 0.0 | S10 | 10 | 0 | 0.0 | Total | 10 | 0 | 0.0 | — | Karo | S11 | 10 | 4 | 40.0 | S12 | 10 | 2 | 20.0 | Total | 20 | 6 | 30.0 | 11.9, 54.3 |
| Overall | 120 | 22 | 18.3 | 11.9, 26.4 | |
|
|