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

Mother's barbiturate use during pregnancy

Our Classification

Operationalization

Mother's barbiturate use during pregnancy as reported in medical file
1: never used barbiturates
2: used barbiturates:
   2a: in 1st month
   2b: in 2nd month
   2c: in 3rd month
   2d: in 2nd trimester
   2e: in third trimester
   2f: in last month

Observed Relation with Happiness