Table 1.

Sociodemographic characteristics of the 602 study participants (entire study population)

Sociodemographic characteristics	Study population
	n	%	95% CI (%)
Age (in years)
6–9	117	19.4	16.3–22.8
10–13	128	21.3	18.2–24.9
14–17	91	15.1	12.5–18.4
18–25	102	17.0	14.2–20.4
> 25	164	27.3	23.9–31.2
Gender
Female	368	61.1	57.1–65.0
Male	234	38.9	35.0–42.9
Location
Lambaréné	329	54.7	50.6–58.7
Mitonè-PK villages	52	8.6	6.5–11.2
Zilé-PK villages	154	25.6	22.1–29.3
Bindo-Makouké villages	67	11.1	87.3–13.9
Educational level
None	13	2.2	1.1–3.7
Primary	318	52.8	48.7–56.9
Secondary	262	43.5	39.5–47.6
University	6	1.0	0.4–2.2
Other	3	0.5	0.1–1.4
Main occupational statusa
None-working	75	24.0	19.3–29.1
Farmer or fisher	69	22.0	17.6–27.0
Trader	21	6.7	4.2–10.1
Student	84	26.8	22.0–32.1
Administrative	4	1.3	0.3–3.2
Health care	6	1.9	0.7–4.1
Other	54	17.3	13.2–21.9
Family sizea
1–3	77	24.6	19.9–29.8
4–6	130	41.5	36.0–47.2
≥ 7	106	33.9	28.6–39.4

CI Confidence interval

^aApplicable to young adults and adults only, corresponding to the main version of the questionnaire