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

Prevalent type2 diabetes mellitus

Our Classification

Remarks

Selfreport of disease occurrence, verified by contacting family doctor or hospital records.

Operationalization

Prevalent diabetes type 2:
1 yes
0 no

Observed Relation with Happiness