Study Richards et al. (1984): study US 1981
- Public
- 25-59 aged, general public, USA, 1981
- Sample
- Respondents
- N = 375
- Non Response
- Assessment
- Questionnaire: Paper & Pencil Interview (PAPI)
Correlate
- Authors's Label
- Joint effects
- Our Classification
- 
            
- 
                        
- Operationalization
- a Physical activity
 b Self-perceived health
 c Social integration
 d Marital Status
 e Serious personal loss or misfortune
 in the past year.