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Table 2 Predictors of anaemia at presentation in children <5 years with uncomplicated falciparum malaria
| Variable | Total no. | No. with anaemia at presentation | OR (95% CI) | P value | AOR (95% CI) | P value |
|---|---|---|---|---|---|---|
| Gender | ||||||
| Female | 437 | 158 | 1 | |||
| Male | 522 | 197 | 1.1 (0.8–1.4) | 0.66 | – | – |
| Age (months) | ||||||
| > 15 | 837 | 296 | 1 | 1 | ||
| ≤ 15 | 114 | 56 | 1.8 (1.2–2.6) | 0.01 | 1.5 (0.9–2.5) | 0.09 |
| Duration of illness (days) | ||||||
| ≤ 2 | 295 | 92 | 1 | 1 | ||
| > 2 | 330 | 138 | 1.6 (1.1–2.2) | 0.01 | 1.5 (1.1–2.1) | 0.02 |
| Enrolment body temperature (°C) | ||||||
| ≤ 37.4 | 357 | 143 | 1 | |||
| > 37.4 | 601 | 211 | 0.8 (0.6–1.1) | 0.14 | – | – |
| History of fever | ||||||
| Absent | 169 | 70 | 1 | |||
| Present | 789 | 284 | 1.2 (0.9–1.8) | 0.22 | – | – |
| Asexual parasitaemia (μL−1) | ||||||
| > 10,000 | 389 | 160 | 1 | 1 | ||
| ≤ 10,000 | 564 | 193 | 1.3 (1.1–1.8) | 0.003 | 1.5 (1.1–2.2) | 0.02 |
| Gametocyte carriage at presentation | ||||||
| Absent | 912 | 333 | 1 | |||
| Present | 47 | 22 | 1.5 (0.6–2.8) | 0.2 | – | – |
| Season of enrolment | ||||||
| Dry (November–March) | 69 | 24 | 1 | |||
| Wet (April–October) | 890 | 331 | 1.1 (0.7–1.9) | 0.79 | – | – |
| Region of enrolment | ||||||
| Eastern flanka | 456 | 180 | 1 | |||
| Western flankb | 503 | 175 | 0.8 (0.6–1.1) | 0.15 | – | – |
