Table 5

Sample size estimates

ParameterOgunNasarawaOromiaMwanza
Target sample of sexually active 15–19 year olds*1413358611321217
Total sample of all 15–19 year olds*

  • Includes non-sexually active girls

  • Taking into account 10% non-response

10 362406712843314
Design effect1.161.121.501.50
Sample size for survey†12 020455519264980

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

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