Table 1.
Prevalence and mean intensity of S.mansoni infection among the school children in Gomma District, Southwestern Ethiopia.
| Variable | N | Prevalence (%) (95% CI) | Univariate COR (95% CI) | Multivariate AOR (95% CI) | Intensity of Infection | |||
|---|---|---|---|---|---|---|---|---|
| Light infection n (%) | Moderate infection n (%) | Heavy infection n (%) | AM (95% CI) | |||||
| Overall | 492 | 73.8 (69.9–77.7) | 158 (32.1) | 101(20.5) | 104 (21.1) | 446.1 (379.5–512.6) | ||
| Age (years) | ||||||||
| 6–8 | 94 | 60.6 (50.7–70.5) | 0.3 (0.2–0.4) | 0.2 (0.1–0.4)** | 23 (24.5) | 19 (20.2) | 15 (15.9) | 738.1 (476.4–999.8) |
| 9–11 | 150 | 62.7 (54.9–70.1) | 0.3 (0.2–0.5) | 0.2 (0.1–0.4)** | 42 (28.0) | 23 (15.3) | 29 (19.3) | 442.7 (337.5–548.0) |
| 12–15 | 248 | 85.5 (81.1–89.8) | 1 | 1 | 93 (37.5) | 59 (23.8) | 60 (24.2) | 369.0(299.7–438.3) |
| Gender | ||||||||
| Male | 289 | 75.1 (70.1–80.1) | 0.8 (0.6–1.3) | 0.9 (0.6–1.4) | 90 (31.1) | 60 (20.7) | 67 (23.2) | 448.7 (299.4–597.9) |
| Female | 203 | 71.9 (65.7–78.1) | 1 | 1 | 68 (33.5) | 41 (20.2) | 37 (18.2) | 437.6 (331.9–543.3) |
| Schools | ||||||||
| Amendari | 121 | 80.9 (73.9–87.9) | 2.1 (1.1–3.7) | 1.8 (0.9–3.4) | 41 (33.8) | 35 (28.9) | 22 (18.2) | 456.5 (295.3–617.7) |
| Dedo Ureche | 123 | 86.9 (81.0–92.9) | 3.2 (1.7–6.1) | 2.1 (1.1–4.1)* | 49 (39.8) | 21 (17.1) | 37 (30.1) | 50.9 (363.7–656.2) |
| Goga Kilole | 119 | 59.6 (50.8–68.5) | 0.7 (0.4–1.2) | 0.4 (0.2–0.7)* | 33 (27.7) | 25 (21.0) | 13 (10.9) | 247.1 (190.5–303.7) |
| Jorgo | 129 | 67.4 (59.3–75.5) | 1 | 1 | 35 (27.1) | 20 (15.5) | 32 (24.8) | 518.1 (396.1–640.1) |
AM arithmetic mean, AOR adjusted odds ratio, CI confidence interval, COR crude odds ratio, N number examined.
*Statistical significance at P < 0.05.
**Statistical significance at P < 0.001.