Table 2. Estimates of prevalence ratios (PR) weighted by age group for each of the morbidity markers assessed using different diagnostic tools and test for homogeneity of the probability of detecting morbidity in infected children.
| Infection detected by parasitology | Infection detected by serology | ||||||
|---|---|---|---|---|---|---|---|
| Type of morbidity | Diagnostic tool used | PR (95% CI) | χ2-statistic | p | PR (95% CI) | χ2-statistic | p |
| Microhaematuria | Dipstick | 3.3 (1.4–7.9) | 1.4 | 0.231 | 0.9 (0.5–2.6) | 0.4 | 0.509 |
| Proteinuria | Dipstick | 1.5 (1.2–1.8) | 0.2 | 0.666 | 1.3 (1.1–1.5) | 2.5 | 0.114 |
| Albuminuria | UACR | 2.4 (1.9–3.1) | 0.01 | 0.927 | 1.7 (1.4–1.9) | 0.3 | 0.571 |
| Haematuria | Visual inspection | 1.1 (1.0–1.2) | 0.002 | 0.989 | 1.5 (1.3–1.7) | a | a |
| Haematuria | Questionnaire | 1.1 (0.8–1.5) | 5.1 | 0.024 | 1.1 (0.9–1.5) | 1.5 | 0.225 |
| Dysuria | Questionnaire | 1.0 (0.8–1.3) | 3.1 | 0.078 | 1.1 (0.8–1.6) | 5.5 | 0.017 |
| Abdominal/epigastric | Clinical exam | 1.0 (0.3–2.9) | 3.0 | 0.081 | 1.0 (0.9–1.1) | a | a |
Comparisons between preschool-aged (1–5 years) versus primary school-aged (6–10 years) children. Prevalence ratios significantly higher than 1 are shown in bold.
aTest statistic could not be computed.