Study Schulz et al. (1985): study AT 1984
- Public
 - 16+ aged, general public, Austria, 1984
 - Survey name
 - Unnamed study
 - Sample
 - Respondents
 - N = 1776
 - Non Response
 - Assessment
 - 
        Interview: face-to-face                    
Highly structured 
Correlate
- Authors's Label
 - Social contacts
 - Our Classification
 - 
            
 - 
                        
 - Operationalization
 - Seven item index of direct questions on number, intensity and frequency of social relations. Rated on a 4-point scale ranging from 'none' to 'four or more'.