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

Eye defects at age 1

Our Classification

Operationalization

Eye defects at age 1 as reported in medical file
1: normal
   1a:nothing to remark
   1b:co-ordinated
   1c:seen by eye doctor with normal findings
2: abnormal
   2a:conjunctivis
   2b:opacity of media
   2c:unco-ordinated
   2d:congenital anomally

Observed Relation with Happiness