Study Veenhoven (1993b): study ZZ 1980 /2
- Public:
- Adults, general public, 31 nations, circa 1980
- Sample:
- Respondents:
- N = 40000
- Non Response:
- Assessment:
- Interview: face-to-face
Correlate
- Authors's label
- Nutrition
- Our Classification
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-
- Operationalization
- Daily calory supply per capita as a percentage of requirement.