Table 1. Baseline survey of 202 children who completed the follow-up in the Careiro municipality, Amazonas State.
| Variable | n/ (%) |
|---|---|
| Age (years) | |
| Mean and standard deviation | 7.8±3.4 |
| < 5 | 39 (19.3) |
| 5–10 | 108 (53.5) |
| >10–14 | 55 (27.2) |
| Gender | |
| M | 109 (54) |
| F | 93 (46) |
| No. of family members | |
| ≤ 5 | 54 (26.7) |
| 6–7 | 55 (27.2) |
| ≥ 8 | 93 (46.1) |
| Mother's education | |
| Illiterate | 19 (9.9) |
| Basic education | 183 (91.1) |
| Higher education | 0 (0) |
| Socioeconomic status | |
| Poorest quintile | 81 (40.1) |
| Middle (2nd— 4th quintiles) | 90 (44.6) |
| Previous malaria attacks | |
| Yes | 51 (25.2) |
| No | 151 (74,8) |
| Hemoglobin | |
| Mean and standard deviation | 11.6±1.6 |
| < 11.9 g/dL | 110 (54.5) |
| ≥ 12 g/L | 92 (45.5) |
| Soil transmitted helminths | |
| Ascaris lumbricoides | 54 (26.7) |
| Ancylostoma duodenale | 15 (7.4) |
| Trichuris trichiura | 17 (8.4) |
| Protozoan parasites | |
| Entamoeba histolytica/dispar | 15 (7.4) |
| Giardia lamblia | 27(13.4) |