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Predictive validity of childbearing expectations by age.
| Age | 24 | 30 | 34 | 40 |
|---|---|---|---|---|
| Odds ratio measuring association of expecting “no children” and childlessness at age 49 | 4.5 | 5.1 | 7.0 | 7.7 |
Note: Bivariate odds ratios calculated from separate cross-tabulations of expectations at ages 24, 30, 34 and 40 by childlessness at age 49. Significance levels are determined by the chi-square statistic associated with tabulation with 1 dF.
