Table 4.
Assumptions for key parameters required for sample size calculations
| Parameter | Ogun* (%) | Nasarawa* (%) | Oromia† (%) | Mwanza‡ (%) |
| Proportion of 15–19-year-old girls who are married (or living together) | 10 | 15 | 20 | 22 |
| Proportion of 15–19-year-old girls who are unmarried (not currently married) | 90 | 85 | 80 | 78 |
| Proportion of unmarried 15–19-year-old girls who report sexual activity in the past year | 15 | 15 | – | 25 |
| Proportion of married 15–19 year olds who report sexual activity in the past year | 97 | 97 | 97 | 97 |
| Proportion of sexually active girls who are married | 42 | 53 | – | 52 |
| Proportion of sexually active girls who are unmarried | 58 | 47 | – | 48 |
| Proportion of households with resident who is female aged 15–19 years | 19 | 29 | 27 | 34 |