Table 2.
Descriptive statistics for 1% sample German Census 1970
| N | Mean | SD | |
|---|---|---|---|
| Individual sample | |||
| Marriage | |||
| Ever married | 66,106 | 0.95 | 0.20 |
| Age first marriage | 59,132 | 23.79 | 4.08 |
| Fertility | |||
| Extensive margin: have any children | 66,106 | 0.84 | 0.37 |
| Intensive margin: number children | 55,186 | 2.21 | 1.26 |
| Total fertility | 66,106 | 1.84 | 1.41 |
| Age at first birth if married | 50,115 | 25.16 | 4.14 |
| Year of birth | 66,106 | 1931.52 | 7.50 |
| Couple sample | |||
| wife: year of birth | 58,954 | 1931.84 | 9.00 |
| husband: year of birth | 58,954 | 1929.12 | 7.39 |
| wife: years education | 58,948 | 8.85 | 3.02 |
| husband: years education | 58,692 | 9.81 | 2.04 |
| Husband-wife: Difference in age | 58,954 | 3.30 | 4.90 |
| Husband-wife: Difference in years education | 58,687 | 0.94 | 2.71 |