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Percentiles and Interquartile Range of Age at First Union Formation, by Cohort
| 25th Percentile |
50th Percentile |
75th Percentile |
Years from 25th–75th Percentile |
|
|---|---|---|---|---|
| Mature (1930–1949) | 17 | 19 | 24 | 7 |
| Middle (1950–1969) | 17 | 20 | 25 | 8 |
| Young (1970–1979) | 18 | 21 | 27 | 9 |
Note: Log-rank test for trend of survivor functions indicates that cohort differences in survival time are statistically significant (X2=63.53; p <.001)
