Study Garrity (1973): study US NorthDakota 1970
- Public
 - White males, heart-attack survivors, Durham, North-Carolina, USA, 1970
 - Sample
 - Respondents
 - N = 56
 - Non Response
 - 20%
 - Assessment
 - 
        Multiple assesment methods                    
Interview, mailed questionnaire and analysis of hospital records. 
Correlate
- Authors's Label
 - Age
 - Our Classification
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 - 
                        
 - Operationalization