TABLE 2.
Prevalence of Schistosoma haematobium, Ascaris lumbricoides and Trichuris trichiura amongst pupils (aged 10–12 years) attending 18 rural KwaZulu-Natal primary schools.
| Pupils count per school | Prevalence (%) of S. haematobium (n = 1035) | 95% CI | Prevalence (%) of A. lumbricoides (n = 853) | 95% CI | Prevalence (%) of T. trichiura (n = 853) | 95% CI | |
|---|---|---|---|---|---|---|---|
| School | n | ||||||
| A | 100 | 43 | 33–56 | 35 | 25–45 | 42 | 32–52 |
| B | 71 | 40 | 25–56 | 32 | 14–33 | 28 | 1–30 |
| C | 37 | 50 | 27–73 | 40 | 22–61 | 25 | 6–28 |
| D | 114 | 38 | 26–52 | 26 | 17–38 | 48 | 36–61 |
| E | 11 | 20 | 3.6–62 | 11 | 2–43 | 22 | 6–55 |
| F | 50 | 20 | 11–35 | 25 | 15–39 | 27 | 17–41 |
| G | 37 | 36 | 20–55 | 19 | 9–35 | 19 | 9–39 |
| H | 101 | 47 | 36–57 | 24 | 16–35 | 37 | 27–47 |
| I | 44 | 48 | 33–62 | 37 | 24–52 | 29 | 18–44 |
| J | 46 | 54 | 39–68 | 38 | 25–52 | 47 | 33–61 |
| K | 172 | 11 | 7–16 | 19 | 14–26 | 16 | 12–23 |
| L | 77 | 17 | 9–29 | 19 | 11–30 | 21 | 13–32 |
| M | 63 | 8 | 2.6–20 | 27 | 17–40 | 14 | 7–24 |
| N† | 34 | 13 | 5–29 | 20 | 10–37 | 17 | 14–44 |
| O† | 22 | 10 | 3–30 | 15 | 5–37 | 5 | 1–24 |
| P† | 7 | 25 | 5–70 | 16 | 3–56 | 0 | 0–4 |
| Q† | 42 | 9 | 3–23 | 0 | 0–10 | 0 | 0–10 |
| R† | 7 | 67 | 36–92 | 14 | 3–51 | 0 | 0–35 |
CI, confidence interval.
†
, The last five schools had few pupils as these schools were affected by the teachers’ strike (2010) and were visited during the time teachers were trying to catch up the lost time and preparing for final exams.