1966 (aged 20 years)
Responding Population
All eligible study members were contacted: 3,899 cohort members responded to the postal questionnaire.
| Provided information | 3,899 |
| Cumulative total of deaths | 268 |
| Cumulative permanent refusals | 7 |
| Temporarily living abroad | 39 |
| Cumulative emigrated | 333 |
| Failure to contact | 816 |
Data collection
A postal questionnaire was sent to administrators at technical and further education establishments attended by cohort members to ask about course attended.
In this and other appropriate years a postal questionnaire was sent to university students in their final year to ask about courses attended, health and employment.
A postal questionnaire on marriage and fertility, health and employment was sent to all cohort members.
Training for data collection
Instructions are given at the head of each form.
Contents
Study Member Interview/self-completion
- Marital status and children
- Accidents and medical appointments
- Chest and cough trouble (MRC questionnaire on respiratory symptoms)
- Employment history
- Further Education
- Smoking
University/College Students (final year students)
- Details of training
- Illness and medical appointments
- Employment attitudes and aspirations
College
- Student course record
Form H2