Table 3.

Summary of ‘social capital’ studies

Ref list #	Author	Network type	Sample	Study design	Process
[56]	Christian, H. 2011	Friends and family	Australia	Cross sectional survey	Belonging
			Male and female
[12]	Holtgrave, D. 2006	Friends and family	USA	Cross-sectional survey	Belonging and social support
			Male and female
[55]	Shankar, A. 2011	Friends and family	England	Longitudinal survey	Belonging
			Male and female
[53]	Vaananen, A. 2009	Friends and family	Finland	Cross-sectional survey	Belonging
			Male and female
[5]	Franzini, L. 2010	People living in same region	USA	Cross-sectional survey	Belonging
			Male and female
[54]	Hystad, P. 2012	People living in same region	Canada	Cross-sectional survey	Belonging
			Male and female
[51]	Brabec, M. 2007	People living in same region	Bolivia	Longitudinal survey	Belonging
			Male and female
[52]	Veenstra, G. 2005	People living in same region	Canada	Cross-sectional survey	Belonging
			Male and female
[57]	Pollard, T. M 2003.	Cultural group	UK	Cross-sectional survey	Belonging
			Male and female
[60]	Boothe, A. 2011	Friends and family	USA	Secondary data analysis	Social support
			Female
[62]	Daniels, J. 2006	Friends and family	USA	Qualitative	Social support
			Female
[59]	Darlow, S. D. 2011	Friends and family	USA	Cross-sectional survey	Social support
			Male and female
[64]	Hammond, R. A. 2010.	Friends and family	Unspecified	Literature review	Social support
[58]	Johnstone, R. 2009	Friends and family	UK	Qualitative interview study	Social support
			Male and female
[61]	Mackert, M. 2011	Friends and family	USA	Cross-sectional, mixed methods online survey.	Social support
			Male and female
[61]	Rohrer, J. E. 2004	Friends and family	USA	Cross sectional survey	Social support
			Female
[66]	Verheijden, M. 2005	Friends and family	Unspecified	Literature review	Social support
[65]	Sobal, J. 2006.	Paired network	Unspecified	Literature review	Social support