Table 4

Assumptions for key parameters required for sample size calculations

ParameterOgun* (%)Nasarawa* (%)Oromia† (%)Mwanza‡ (%)
Proportion of 15–19-year-old girls who are married (or living together)10152022
Proportion of 15–19-year-old girls who are unmarried (not currently married)90858078
Proportion of unmarried 15–19-year-old girls who report sexual activity in the past year151525
Proportion of married 15–19 year olds who report sexual activity in the past year97979797
Proportion of sexually active girls who are married4253 –52
Proportion of sexually active girls who are unmarried5847 –48
Proportion of households with resident who is female aged 15–19 years19292734
  • Sources:

  • *Nigeria DHS 2013,7 Nigeria GHS 2016.13

  • †Ethiopia DHS 2011,18 Ethiopia Mini DHS 2014,24 Ethiopia census 2007.14

  • ‡Tanzania DHS 2015–2016,9 Tanzania census 2012.15

  • DHS, Demographic and Health Survey.