Table 1.
Characteristics of the 614 study participants, April to July 2016, Lambaréné, Gabon
| Study population distribution | |||
|---|---|---|---|
| N | % | 95% CI (%) | |
| Gender | |||
| Female | 300 | 48.9 | 44.8–52.9 |
| Male | 314 | 51.1 | 47.1–55.2 |
| Age (years) | |||
| 5–9 | 271 | 44.1 | 40.2–48.2 |
| 10–14 | 307 | 50.0 | 46.0–54.0 |
| 15–19 | 36 | 05.9 | 04.1–08.0 |
| Nutritional status, BMI for age* | |||
| Thin | 33 | 05.4 | 03.8–07.5 |
| Normal | 493 | 81.0 | 77.6–84.0 |
| Overweight | 57 | 09.4 | 07.2–11.9 |
| Obese | 26 | 04.3 | 02.8–06.2 |
| Primary school level | |||
| First year | 127 | 20.7 | 17.5–24.1 |
| Second year | 116 | 18.9 | 15.9–22.2 |
| Third year | 118 | 19.2 | 16.2–22.3 |
| Fourth year | 133 | 21.7 | 18.5–25.1 |
| Fifth year | 120 | 19.5 | 16.5–22.9 |
| Hemoglobin level (g/dL)* | |||
| ≥ 11 | 462 | 75.5 | 71.9–78.8 |
| < 11 | 150 | 24.5 | 21.1–27.9 |
| Hematuria | |||
| Yes | 130 | 21.3 | 18.1–24.8 |
| Proteinuria | |||
| Yes | 120 | 19.5 | 16.5–22.9 |
| Stream contact declared | |||
| Yes | 266 | 43.6 | 39.6–47.6 |
| History of praziquantel treatment† | |||
| Yes | 62 | 10.1 | 07.9–12.9 |
| History of soil-transmitted helminth infection treatment† | |||
| Yes | 137 | 22.3 | 19.2–26.0 |
*
Missing data: five for nutritional status and two for hemoglobin level.
†
Taken in the last 6 months.