From: Persistence of onchocerciasis in villages in Enugu and Ogun states in Nigeria following many rounds of mass distribution of ivermectin
Variable
Enugu state
Ogun state
Total number of participants
225
418
Gender
Male
55 (24.4%)
225 (53.8%)
Female
170 (75.6%)
193 (46.2%)
Gender ratio
Male: Female
1:3
1.2:1
Median age (range)
51 (18–80)
45 (18–92)