Table 1 Changes of soil-transmitted helminth infections (hookworms, roundworms, and whipworms) in Jiangsu pilot sites during 1992–1994
Year | Xinghua County of Yangzhou City | Jintan District of Changzhou City | Rudong County of Nantong City | Wuxian County of Suzhou City | ||||
|---|---|---|---|---|---|---|---|---|
Sample (positive) | Infection (95% CI) | Sample (positive) | Infection (95% CI) | Sample (Positive) | Infection (95% CI) | Sample (positive) | Infection (95% CI) | |
1992 | 1329 (709) | 53.3 (50.7–56.0) | 967 (262) | 27.1 (24.3–29.9) | 1131 (486) | 43.0 (40.1–45.9) | 899 (196) | 21.8 (19.1–24.5) |
1993 | 500 (19) | 3.8 (2.1–5.5) | 338 (38) | 11.2 (7.9–14.6) | 409 (84) | 20.5 (16.6–24.5) | 184 (8) | 4.3 (1.4–7.3) |
1994 | 511 (14) | 2.7 (1.3–4.2) | 310 (19) | 6.1 (3.5–8.8) | – | – | – | – |