Table 1. Characteristics of children in a study of malaria prevalence among young infants in different transmission settings, Africa.
| Characteristic | The Gambia, N = 2,270 | Benin, N = 2,276 | Guinea, N = 2,215 |
|---|---|---|---|
| Age groups, no. (%) | |||
| 0–6 mo | 734 (32.3) | 761 (33.4) | 724 (32.7) |
| 1–9 y | 768 (33.8) | 759 (33.3) | 748 (33.8) |
| 10–15 y |
768 (33.8) |
756 (33.2) |
743 (33.5) |
| Sex, no. (%) | |||
| F | 1,222 (53.8) | 1,189 (52.2) | 1,159 (52.3) |
| M |
1048 (46.2) |
1087 (47.8) |
1056 (47.7) |
| Mean weight, kg (SD) | |||
| 0–6 mo | 5.8 (3.6) | 5.2 (1.5) | 5.5 (2.5) |
| 1–9 y | 12.8 (3.6) | 14.3 (4.1) | 14.4 (4.1) |
| 10–15 y |
31.2 (7.5) |
30.1 (7.8) |
31.6 (7.6) |
| Bed net coverage, no./no. total (%)* | |||
| 0–6 mo | 699/727 (96.1) | 678/750 (90.4) | 225/723 (31.1) |
| 1–9 y | 724/765 (94.6) | 656/722 (90.9) | 222/746 (29.8) |
| 10–15 y |
642/752 (85.4) |
581/727 (79.9) |
103/740 (13.9) |
| Fever or history of fever, no./no. total (%)† | |||
| 0–6 mo | 136/732 (18.6) | 129/758 (17.0) | 282/724 (38.9) |
| 1–9 y | 133/768 (17.3) | 119/758 (15.7) | 359/747 (48.1) |
| 10–15 y |
56/760 (7.4) |
83/756 (11.0) |
221/743(29.7) |
| Mean hemoglobin level, g/dL (SD) | |||
| 0–6 mo | 11.8 (2.2) | 11.3 (2.0) | 12.1 (3.7) |
| 1–9 y | 10.9 (1.5) | 11.2 (1.4) | 10.0 (1.7) |
| 10–15 y | 12.4 (1.4) | 12.3 (1.6) | 11.8 (1.4) |
*Defined as having slept under a bed net the night before survey. †History of fever refers to fever in the 24 h before the structured questionnaire was completed.