| Baseline sample | Age 18-19 non-responders | Age 18-19 responders | Age 18-19 responders-weighted data | ||||
---|---|---|---|---|---|---|---|---|
 | N | % | N | % | N | % | N | % |
Twenty-07 study (1990 dataset) | Â | Â | Â | Â | Â | Â | Â | Â |
Gender-age 15 | Â | Â | Â | Â | Â | Â | Â | Â |
Male | 482 | 47.8 | 52 | 51.5 | 430 | 47.4 | 427 | 47.0 |
Female | 527 | 52.2 | 49 | 48.5 | 478 | 52.6 | 481 | 53.0 |
Total | 1009 | 100.0 | 101 | 100.0 | 908 | 100.0 | 908 | 100.0 |
Social class-age 15 | Â | Â | Â | Â | Â | Â | Â | Â |
Non-manual | 410 | 41.3 | 24 | 25.0 | 386 | 43.1 | 380 | 42.6 |
Manual | 582 | 58.7 | 72 | 75.0 | 510 | 56.9 | 513 | 57.4 |
Missing | 17 | - | 5 | - | 12 | - | 15 | - |
Total | 1009 | 100.0 | 101 | 100.0 | 908 | 100.0 | 908 | 100.0 |
11-16/16+ study (2003 dataset) | Â | Â | Â | Â | Â | Â | Â | Â |
Gender-age 11 | Â | Â | Â | Â | Â | Â | Â | Â |
Male | 1335 | 51.6 | 701 | 52.4 | 634 | 50.8 | 505 | 50.2 |
Female | 1251 | 48.4 | 636 | 47.6 | 615 | 49.2 | 501 | 49.8 |
Total | 2586 | 100.0 | 1337 | 100.0 | 1249 | 100.0 | 1006 | 100.0 |
Social class-age 11 | Â | Â | Â | Â | Â | Â | Â | Â |
Non-manual | 1028 | 43.3 | 417 | 35.3 | 611 | 51.2 | 414 | 44.0 |
Manual | 1348 | 56.7 | 765 | 64.7 | 583 | 48.8 | 527 | 56.0 |
Missing | 210 | - | 155 | - | 55 | - | 65 | - |
Total | 2586 | 100.0 | 1337 | 100.0 | 1249 | 100.0 | 1006 * | 100.0 |