Study Graham & Nikolova (2013a): study ZZ South Sahara Africa 2010
- Public
 - 15+ aged general public, Sub-Sahara African countries, 2010- 2012
 - Survey name
 - INT-GallupWorldPoll2012
 - Sample
 - Respondents
 - N = 100000
 - Non Response
 - Assessment
 - 
        Interview: face-to-face                    
The surveys are face-to-face in countries where telephone coverage is limited, and by telephone in those where it is universal (primarily the OECD countries). 
Correlate
- Authors's Label
 - Married
 - Our Classification
 - 
            
 - 
                        
 - Related specification variables
 - 
                
 - 
                            
 - Operationalization
 - 1: Married
0: Not married 
Observed Relation with Happiness
- Individual charecetics:
- Access to information and communication technology
- Age
- Age squared/100
- Female
- Married and female
- Education: highschool or higher
- Household income
- Employed full time
- Urban area
- Child in household
- Household size
- Learned or did something interesting yesterday
- Regional and Year Dummies
Stronger among females