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

Sucking reflex shortly after birth

Our Classification

Distribution

N day 1 all:4186,   1a:3,3%,   2a:13,4%,   3a:83,3%
N day 5 all:4090,   1b:0,5%,   2b:4,0%,   3b:95,5%

Operationalization

Sucking reflex shortly after birth as reported in medical file
1: no sucking
2: weak
3: normal
Assessed at day 1 and day 5

Observed Relation with Happiness