Project Associated With
Collection Method(s)
Questionnaire, mailed
Important Date Details
Invite #1 sent 3 April 1998
Invite #2 sent 3 April 1998
Invite #3 sent 1 June 1998
Survey was closed 10 July 1998
Data Collection Assumptions
Stratified random sample.
Population Metrics

Data Factor Definitions/Key
| Field/Question Number & Text | Database Column | Key |
|---|---|---|
Data Key Upload
Equipment
- Paper questionnaire
Software
- Microsoft Access, 2016
- SAS v.9.2