Table 5.

Sample size estimates

Parameter	Ogun	Nasarawa	Oromia	Mwanza
Target sample of sexually active 15–19 year olds*	1413	3586	1132	1217
Total sample of all 15–19 year olds* Includes non-sexually active girls Taking into account 10% non-response	10 362	4067	1284	3314
Design effect	1.16	1.12	1.50	1.50
Sample size for survey†	12 020	4555	1926	4980

*Includes unmarried girls (Ogun); married girls (Nasarawa and Ethiopia); unmarried and married girls (Mwanza).

†Total sample of all 15–19 year olds × design effect.