Study Bjornskov et al. (2008): study ZZ 1997 /1
- Public
 - 18+ aged, general public, 70 nations, 1997-2000
 - Sample
 - Respondents
 - N = 87748
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Infant mortality
 - Our Classification
 - 
            
 - 
                        
 - Remarks
 - Source: World Bank (2005)
 - Operationalization
 - Infant mortality in nation
 
Observed Relation with Happiness
Beta's controlled for:
Area dummies and other cultural and human development variables:
- pimary schooling
- secondary schooling
- average IQ
- fertility
- life expectancy
- gender equality
- average temperature
- latitude
- longitude
- English speaking
Individual level variables:
- religion
- conservative ideology
- confidence in parliament
- trust most people
- income
- age
- gender
- education
- marital status
- children
- selfemployed
- housewife
- retired
- student
- unemployed
- service attendance (church etc.)
- belief in superior being