Table 4 Bi-variable analysis of prevalence of anaemia and parasitaemia by malnourished status from cross-sectional surveys at the start and end of the transmission season
Variable | Non-stunted children | Stunted children | P-valuea | Non-wasted children | Wasted children | P-valuea | Non-underweight children | Underweight children | P-valuea |
|---|---|---|---|---|---|---|---|---|---|
Beginning of malaria transmission season (June 2011) | |||||||||
 N | 1715 | 796 |  | 2236 | 272 |  | 1892 | 624 |  |
 Mean haemoglobin (g/dl) (95% CI) | 10.72 (10.66–10.79) | 10.06 (9.95–10.17) | <0.001 | 10.54 (10.48–10.60) | 10.34 (10.15–10.53) | 0.04 | 10.63 (10.56–10.69) | 10.18 (10.06–10.31) | <0.001 |
 Mild anaemia (Hb < 11 g/dl) (n, %) | 906 (52.8) | 561 (70.5) | <0.001 | 1296 (58.0) | 168 (61.8) | 0.2 | 1051 (55.5) | 417 (66.8) | <0.001 |
 Moderate anaemia (Hb < 8 g/dl) (n, %) | 68 (4.0) | 83 (10.4) | <0.001 | 129 (5.8) | 22 (8.1) | 0.1 | 98 (5.2) | 53 (8.5) | 0.003 |
 P. falciparum parasitaemia (n, %) | 98 (5.7) | 39 (4.9) | 0.4 | 126 (5.6) | 11 (4.0) | 0.3 | 109 (5.8) | 29 (4.6) | 0.3 |
End of malaria transmission season (January 2012)b | |||||||||
 N | 1427 | 725 |  | 1949 | 177 |  | 1721 | 437 |  |
 Mean haemoglobin (g/dl) (95% CI) | 10.49 (10.41–10.58) | 9.73 (9.60–9.85) | <0.001 | 10.26 (10.18–10.33) | 9.96 (9.69–10.23) | 0.03 | 10.37 (10.29–10.45) | 9.72 (9.54–9.89) | <0.001 |
 Mild anaemia (Hb < 11 g/dl) (n, %) | 798 (55.9) | 532 (73.4) | <0.001 | 1203 (61.7) | 113 (63.8) | 0.6 | 1024 (59.5) | 307 (70.3) | <0.001 |
 Moderate anaemia (Hb < 8 g/dl) (n, %) | 91 (6.4) | 116 (16.0) | <0.001 | 183 (9.4) | 22 (12.4) | 0.2 | 136 (7.9) | 70 (16.0) | <0.001 |
 Severe anaemia (Hb < 5 g/dl) (n, %) | 2 (0.1) | 2 (0.3) | 0.5 | 4 (0.2) | 0 | 0.5 | 2 (0.1) | 2 (0.5) | 0.1 |
 P. falciparum parasitaemia (n, %) | 179 (12.5) | 108 (14.9) | 0.1 | 259 (13.3) | 22 (12.4) | 0.7 | 224 (13.0) | 62 (14.2) | 0.5 |