Mothers' reporting of socioeconomic status (SES based on occupation) and the type of answer given by the adolescent in 1992 according to the type of answer given by the adolescent in 1990
| Adolescent did not respond 1990 (n=60) | Adolescent's answer unclassified 1990 (n=24) | Adolescent's answer classified 1990 (n=617) | |
| Mother did not respond | 37 | 25 | 5 |
| Mother's answer unclassified | 0 | 4 | 1 |
| Manual | 5 | 4 | 8 |
| Non-manual, low | 13 | 8 | 18 |
| Non-manual, middle/high | 18 | 58 | 53 |
| Farmer/fisher | 5 | 0 | 2 |
| Non-workers | 22 | 0 | 15 |
| Total | 100 | 100 | 100 |
| χ2= 107.9, p <0.001 | |||
| Adolescent did not respond 1992 (n=64) | 40 | 8 | 6 |
| Adolescent's answer unclassified 1992 (n=14) | 2 | 21 | 1 |
| Adolescent's answer classified 1992 (n=623) | 58 | 71 | 93 |
| Total | 100 | 100 | 100 |
| χ2 = 120.9, p <0.001 | |||
Data shown as percentages.