Meta Data Repository LHA-NSHD Website (Public)Search
1967 (aged 21 years)
Responding Population
All eligible study members were contacted
| Provided information | tbc |
| Cumulative total of deaths | tbc |
| Cumulative permanent refusals | tbc |
| Temporarily living abroad | tbc |
| Cumulative emigrated | tbc |
| Failure to contact | tbc |
Data collection
Postal questionnaire sent to parents of study member.
LHA do not hold this data+
Training for data collection
Not known
Contents
- Use of glasses by parents and siblings of study member