Table 1. Infection rates of Schistosoma japonicum in wild rodents across intervention and control groups, 2022–2024.
| Year | Infection rate in intervention groups, % (n/N) | Infection rate in control groups, % (n/N) | |||||||||
|
Dongzhi
County |
Dangtu
County |
Total | χ 2 | P |
Dongzhi
County |
Dangtu
County |
Total | χ 2 | P | ||
| Note: “−” means reference. | |||||||||||
| Baseline | |||||||||||
| 2022 | 77.46 (268/346) |
17.86 (10/56) |
69.15 (278/402) |
− | − | 52.65 (119/226) |
17.14 (24/140) |
39.07 (143/366) |
− | − | |
| After intervention | |||||||||||
| 2023 | 36.76 (50/136) |
13.42 (20/149) |
24.56 (70/285) |
132.672 | <0.01 | 55.51 (141/254) |
25.55 (35/137) |
45.01 (176/391) |
2.737 | <0.01 | |
| 2024 | 24.83 (73/294) |
3.66 (3/82) |
20.21 (76/376) |
187.663 | <0.01 | 46.41 (84/181) |
46.99 (39/83) |
46.59 (123/264) |
3.555 | 0.06 | |
| Two-year pooled | 28.60 (123/430) |
9.96 (23/231) |
22.09 (146/661) |
230.950 | <0.01 | 51.72 (225/435) |
33.64 (74/220) |
45.65 (299/655) |
4.138 | 0.04 | |
| Total | 50.39 (391/776) |
11.50 (33/287) |
39.89 (424/1,063) |
232.228 | <0.01 | 52.04 (344/661) |
27.22 (98/360) |
43.29 (442/1,021) |
4.298 | 0.12 | |