Unadjusted and adjusted cohort differences in median age at first sex, allowing for changes in reporting age, education, and residence
| Ghana | Kenya | Tanzania | Uganda | Zambia | Zimbabwe | |
|---|---|---|---|---|---|---|
| Significance of difference between cohorts from Cox regression based test for equality of survival curves; bold type indicates differences significant at the 95% level. | ||||||
| Men | ||||||
| Unadjusted | ||||||
| Middle–oldest | −0.1 | 0.2 | 0.3 | −0.4 | ||
| Youngest–middle | 0.5 | −0.4 | 0.6 | 0.2 | ||
| Adjusted for education and residence | ||||||
| Middle–oldest | −0.1 | 0.1 | 0.5 | 0.1 | ||
| Youngest–middle | 0.5 | −0.3 | 0.2 | 0.3 | ||
| Adjusted for reporting age, education and residence | ||||||
| Middle–oldest | −0.1 | 0.3 | 0.7 | 0.1 | ||
| Youngest–middle | 0.5 | −0.1 | 0.3 | 0.4 | ||
| Women | ||||||
| Unadjusted | ||||||
| Middle–oldest | −0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 |
| Youngest–middle | 1.0 | 0.5 | 0.0 | 0.8 | 0.1 | 0.0 |
| Adjusted for education and residence | ||||||
| Middle–oldest | −0.2 | 0.3 | 0.2 | 0.1 | 0.1 | 0.2 |
| Youngest–middle | 1.1 | 0.5 | 0.0 | 0.7 | 0.1 | 0.0 |
| Adjusted for reporting age, education and residence | ||||||
| Middle–oldest | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 |
| Youngest–middle | 1.3 | 0.4 | −0.1 | 0.7 | 0.1 | −0.2 |