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
- Family income in the previous year
- Our Classification
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-
- Operationalization
- Selfreport