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Correlational findings

Study Feller et al. (2013): study DE 1994

Public:
35-65 aged, general population, Germany, followed 4 years1994-2008
Survey name:
EU-EPIC (Europ. Prospective Investigation into Cancer and Nutrition) 1994-1998
Sample:
Respondents:
N = 48976
Non Response:
Assessment:
Interview: face-to-face
Baseline instruments to collect several aspects on diet and life-style included self-administered questionnaires, PC-guided interviews and physical examinations

Correlate

Authors's label
Consumption of vegetables and fruits (g/day)
Our Classification
Operationalization
Vegetables and fruits in grams/day based on selfreport of diet

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-g-sq-v-4-b D% = + T1 happiness by T1 vegetables and fruit consumption

                   g/day   SD
Very satisfied      244    139      
Rather satisfied    242    124
Unsatisfied         240    128