Table 1 Comparison of the intervention and control villages by age, sex, malaria parasite and anaemia, south-west Ethiopia*
Variable | Baseline | 6 months | 12 months | |||
|---|---|---|---|---|---|---|
| Â | Control, n (%) | Intervention, n (%) | Control, n (%) | Intervention, n (%) | Control, n (%) | Intervention, n (%) |
Age in months | Â | Â | Â | Â | Â | Â |
   < 12 | 263(21.9) | 246(20.4) | 240 (17.6) | 191 (15.3) | 154 (16.1) | 184 (17.1) |
   12-23 | 94(7.8) | 62(5.1) | 155 (11.4) | 156 (12.5) | 91 (9.5) | 105 (9.7) |
   24-35 | 222(18.5) | 244(20.2) | 251 (18.4) | 243 (19.4) | 177 (18.5) | 187 (17.3) |
   36-47 | 226 (18.8) | 236(19.6) | 249 (18.3) | 227 (18.2) | 188 (19.6) | 216 (20.0) |
   > = 47 | 398 (33.1) | 419 (34.7) | 467 (34.3) | 433 (34.6) | 349 (36.4) | 386 (35.8) |
Total | 1203 | 1207 | 1362 | 1250 | 959 | 1078 |
Sex | Â | Â | Â | Â | Â | Â |
   Male | 607 (50.5) | 616 (51.0) | 694 (51.0) | 631 (50.5) | 464 (48.4) | 542 (50.3) |
   Female | 596 (49.5) | 591 (49.0) | 668 (49.0) | 619 (49.5) | 495 (51.6) | 536 (49.7) |
   Total | 1203 | 1207 | 1362 | 1250 | 959 | 1078 |
Malaria parasite | Â | Â | Â | Â | Â | Â |
   Positive | 100 (8.3) | 127 (10.5) | 176 (12.9) | 81 (6.5) | 64 (6.7) | 67 (6.2) |
   Negative | 1103(91.7) | 1080 (89.5) | 1186 (87.1) | 1169 (93.5) | 893 (93.3) | 1011 (93.8) |
   Total | 1203 | 1207 | 1362 | 1250 | 957 | 1078 |
Malaria parasite species§ |  |  |  |  |  |  |
   P.falciparum | 38 (38.0) | 52 (40.9) | 135 (76.7) | 43 (53.1) | 45 (66.2) | 33 (50.0) |
   P. vivax | 60 (60.0) | 75 (59.1) | 41 (23.3) | 38 (46.9) | 23 (33.8) | 33 (50.0) |
   Mixed infection | 2 (2.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
Total | 100 | 127 | 176 | 81 | 64 | 66 |
Symptomatic malaria | Â | Â | Â | Â | Â | Â |
   Yes | 36 (3.0) | 52 (4.3) | 158 (11.6) | 57 (4.6) | 28 (2.9) | 17 (1.6) |
   No | 1167 (97.0) | 1155 (95.7) | 1204 (88.4) | 1192 (95.4) | 929 (97.1) | 1061 (98.4) |
Parasite Density | Â | Â | Â | Â | Â | Â |
   +1 | 37 (82.2) | 71 (86.6) | 82 (60.3) | 29 (50.9) | 27 (58.7) | 25 (59.5) |
   +2 | 4 (8.9) | 8 (9.8) | 38 (27.9) | 24 (42.1) | 14 (30.4) | 17 (40.5) |
   +3 | 4 (8.9) | 3 (3.6) | 16 (11.7) | 4 (7.0) | 6 (10.8) | 0 (0.0) |
Total | 45 | 82 | 136 | 57 | 47 | 42 |
Presence of fever | Â | Â | Â | Â | Â | Â |
   Yes | 304(25.3) | 380(31.5) | 1060 (77.8) | 670 (53.6) | 328 (34.2) | 316 (29.7) |
   No | 899(74.7) | 827(68.5) | 302 (22.2) | 579 (46.4) | 631 (65.8) | 762 (70.3) |
Total | 1203 | 1207 | 1362 | 1249 | 959 | 1078 |
Anaemia | Â | Â | Â | Â | Â | Â |
   Yes (< 11 g/dl) | 428(35.6) | 352(29.2) | 727 (54.1) | 616 (51.2) | 446 (46.8) | 441 (41.6) |
   No | 775(64.4) | 855(70.8) | 616 (45.9) | 587 (48.8) | 507 (53.2) | 620 (58.4) |
Total | 1203 | 1207 | 1343 | 1203 | 953 | 1061 |
Severe anaemia | Â | Â | Â | Â | Â | Â |
Yes (Hgb < 8 g/dl) | 52 (4.4) | 52 (3.3) | 85 (6.3) | 84 (6.9) | 49 (5.1) | 46 (4.3) |
No | 1140 (95.6) | 1515 (96.7) | 1268 (93.7) | 1136 (93.1) | 915 (94.9) | 1026 (95.7) |
Total | 1192 | 1567 | 1353 | 1220 | 964 | 1072 |