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Table 1 Characteristics of the villages and population surveyed

From: High prevalence of epilepsy in two rural onchocerciasis endemic villages in the Mahenge area, Tanzania, after 20 years of community directed treatment with ivermectin

Village Mean altitude (range), m No. of Households No. of people Median age (IQR) No. aged ≥20 years (%) No. aged 7–11 years (%)
Matumbala 1052 (786–1144) 244 972 20.1 (10.0–40.0) 337 (49.9) 71 (10.5)
Vigoi 1063 (504–1194) 388 1646 20.3 (10.5–40.4) 832 (50.6) 157 (9.5)
Mdindo 561 (444–802) 198 941 17.5 (8.5–38.1) 442 (47.0) 117 (12.3)
Msogezi 575 (491–731) 338 1558 15.4 (7.1–31.5) 661 (42.4) 221 (14.2)
Total   1168 5117 18.5 (8.7–37.5) 2272 (47.1) 566 (11.7)
  1. IQR: Inter quartile range