Table 1. Weighted prevalence of serum IgG DENV antibodies according to demographic variables in participants aged ≥2 years, Mayotte 2006.

Characteristic	Tested individuals (N)	Weighted prevalence (%)	95% Confidence interval
N (number of participants)	1154	22.7	18.2–27.3
Gender
Male	499	21.8	16.5–27.2
Female	655	23.6	18.7–28.6
Age group, years
02–14	302	2.2	0.7–3.7
15–24	294	19.1	12.9–25.6
25–34	193	34.0	24.9–43.1
35–44	169	35.8	23.0–48.7
45–54	107	38.8	23.7–53.8
≥55	89	28.4	17.4–39.4
Birthplace*
Mayotte	446	10.6	6.8–14.5
Comoros	349	51.8	45.6–58.1
Other	60	17.3	1.7–32.9
Duration of residence, years †
<10	211	52.1	41.2–62.9
10–14	84	49.7	32.8–66.6
Over 15	108	36.9	25.9–47.9
Years of schooling*
0–6	679	31.3	24.8–37.7
>6	173	16.6	10.4–22.8

*Persons≥15 years.

†For those adults (≥15 years) born outside of Mayotte.