Study Ventegodt (1997): study DK 1993

Public:

31-33 aged, born at the university hospital, Denmark, 1993

Sample:

Respondents:

N = 4626

Non Response:

36%

Assessment:

Questionnaire: paper
Data were taken from the medical files of mothers and their babies

Correlate

Authors's label

Tumors of the lymph nodes at age one

Our Classification

Operationalization

Tumors of the lymph nodes at age one as reported in medical file
1: no tumors
2: tumors at different places

Observed Relation with Happiness