Study Tissue (1972): study US 1969
- Public
 - Aged persons, welfare recipients, USA, 1969
 - Sample
 - Respondents
 - N = 256
 - Non Response
 - -
 - Assessment
 - 
        Interview: face-to-face                    
Structured interview 
Correlate
- Authors's Label
 - Self-perceived health
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - Question: poor / fair / good