Table 2. Number (%) of schoolchildren infected with three parasite species in Kwale, Kenya.
| Parasite | Overall n = 368 Prevalence (95% CI) |
School | P | |||||
|---|---|---|---|---|---|---|---|---|
| Burani | Vyogato | Bahakanda | Dumbule | Amani | Yapha | |||
| (n = 60) | (n = 39) | (n = 71) | (n = 45) | (n = 58) | (n = 95) | |||
| Schistosomes | ||||||||
| S. haematobium1 | 33.2 (28.3–38.0) | 37 (61.7%) | 13 (33.3%) | 24 (33.8%) | 16 (35.6%) | 21 (36.2%) | 11 (11.6%) | <0.001 |
| Light | 19.8 (15.8–23.9) | 19 (31.7%) | 5 (12.8%) | 14 (19.7%) | 14 (31.1%) | 13 (22.4%) | 8 (8.4%) | |
| Heavy | 13.3 (9.8–16.8) | 18 (30.0%) | 8 (20.5%) | 10 (14.1%) | 2 (4.4%) | 8 (13.8%) | 3 (3.2%) | |
| Mean intensity (Eggs/10 ml) 2 | 3.1 | 9.2 | 3.4 | 3.0 | 2.3 | 3.7 | 1.4 | |
| S. mansoni | 0 | |||||||
| STHs | ||||||||
| Hookworm3 | 26.1 (21.6–30.6) | 34 (56.7%) | 19 (48.7%) | 37 (52.1%) | 3 (6.7%) | 0 (0%) | 3 (3.2%) | <0.001 |
| Light | 24.7 (20.3–29.1) | 31 (51.7%) | 19 (48.7%) | 35 (49.3%) | 3 (6.7%) | — | 3 (3.2%) | |
| Moderate | 1.1 (0.02–2.1) | 2 (3.3%) | 0 (0%) | 2 (2.8%) | 0 (0%) | — | 0 (0%) | |
| Heavy | 0.3 (-0.2–0.8) | 1 (1.7%) | 0 (0%) | 0 (0%) | 0 (0%) | — | 0 (0%) | |
| Mean intensity (EPG) 2 | 3.2 | 17.4 | 6.2 | 10.5 | 1.2 | 0 | 1.1 | |
| T. trichiura4 | 1.6 (0.3–2.9) | 3 (5.0%) | 0 (0%) | 3 (4.2%) | 0 (0%) | 0 (0%) | 0 (0%) | 0.0355** |
| A. lumbricoides | 0 | |||||||
| At least one helminth | 46.2 (41.1–51.3) | 48 (80.0%) | 25 (64.1%) | 45 (63.4%) | 17 (37.8%) | 21 (36.2%) | 14 (14.7%) | <0.001 |
1 Light: 1–49 eggs/10 ml urine; heavy: ≥50 eggs/10 ml urine.
2 Mean intensity obtained by geometric mean.
3 Light: 1–999 EPG; moderate: 1,000–3,999 EPG; heavy: ≥4,000 EPG.
4 All cases had light infection (1–999 EPG).
* Prevalence comparison among schools by Fisher’s test.