Study Ward (1979): study US 1972
- Public
- 50+ aged, USA, 1972-1977
- Sample
- Respondents
- N = 3557
- Non Response
- Assessment
- Interview: face-to-face
Correlate
- Authors's Label
- Number of groups belonged to
- Our Classification
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- Related specification variables
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- Operationalization
- Selfrepoted number of membership of voluntary associations