Table 2.
Sociodemographic characteristics of the sample by gender
| Women | Men | |
| Baseline | ||
| Ethnicity | ||
| Non-white | 134 (3.64) | 138 (3.74) |
| White | 3545 (96.36) | 3552 (96.26) |
| At least one parent had higher than O-level education | ||
| Yes | 3224 (55.29) | 3400 (54.76) |
| No | 2607 (44.71) | 2809 (45.24) |
| At least one parent part of lower social class (partly or unskilled occupation) | ||
| Yes | 1150 (23.76) | 1167 (22.87) |
| No (Both parents in professional, managerial or skilled occupations) | 3690 (76.24) | 3936 (77.13) |
| Mother married | ||
| Yes | 4807 (75.30) | 5100 (74.53) |
| No | 1577 (24.70) | 1743 (25.47) |
| Lived with both biological parents | ||
| Yes | 4489 (90.29) | 4830 (90.26) |
| No | 483 (9.71) | 521 (9.74) |
| Early adulthood (ages 18–21) | ||
| Longest relationship (at age 18) | ||
| More than 3 months | 1632 (72.18) | 1034 (58.78) |
| Less than or equal to 3 months | 629 (27.82) | 725 (42.22) |
| Living arrangements (at age 20) | ||
| One or both parents | 1200 (48.21) | 819 (51.51) |
| Partner and/or children | 307 (12.33) | 98 (6.16) |
| Other | 982 (39.45) | 673 (42.33) |
| Sexual preference (at age 21) | ||
| Asexual | 8 (0.37) | 6 (0.51) |
| Any same-sex preferences | 358 (16.63) | 160 (13.72) |
| 100% heterosexual | 1787 (83.00) | 1000 (85.76) |