Table 1.
Characteristics of the sample at 16 years (n = 125)
| Mother's age at birth (years) | |
| Mean (s.d.) | 26.3 (5.0) |
| Range | 17–44 |
| Marital status in pregnancy (%) | |
| Married | 68 |
| Cohabiting | 27 |
| Single | 5 |
| Social classa (%) | |
| Working class | 90 |
| Maternal education (%) | |
| Basic qualifications or higher | 74 |
| Parent in household at age 16b (%) | |
| Two biological parents | 52 |
| Biological mother | 39 |
| Biological father | 5 |
| No biological parent (other relative, living independently, under supervision of social services) | 4 |
| Offspring's gender (%) | |
| Female | 54 |
| Offspring's birth order (%) | |
| Firstborn | 48 |
| Offspring's ethnicityc (%) | |
| White British | 72 |
| Other (White non-British, African, Caribbean, South Asian, East Asian, mixed) | 28 |