Correlate as named by investigatorPeople investigatedFinding
Availabilty of friends
18-65 aged, Victoria, Australia, followed 1981 to 1987
Number of friends
Older white middle-class women, USA, 1970
20-70 aged, chronic mental patients, USA, 1989
Membership in a special group or clique of friends
Applicants for old age assistance, USA, 1971.
65+ aged, Chinese Canadians, Canada, 1996
Friends contacts and different scales.
18+ aged, general public, Netherlands, 2012
16+ aged general public, EU nations, 2004- 2010
Discrepancy variables (with income in network)
16-66 aged general public, Norway, 1985