Table 2.

Summary of ‘social contagion’ studies

Ref list #	Author	Network type	Sample	Study design	Process
[35]	Burger, J. M. 2010	Peers	USA	Experimental	Mirroring
			Female
[37]	Carrell, S. 2011	Peers	USA	Experimental	Mirroring
			Male and female
[39]	Lemon, S. C. 2009	Peers	USA	Quasi-experimental	Mirroring
			Male and female
[34]	Mcferran, B. 2010	Peers	USA	Experimental	Mirroring
			Female
[40]	Robinson, E. 2011	Peers	UK	Experimental	Mirroring
			Female
[38]	Ali, H. I. 2010	Friends and family, cultural group	United Arab	Cross-sectional qualitative focus groups	Mirroring Social support
			Emirates
			Females
[32]	Befort, C. 2008	Friends and family, cultural group	USA	Qualitative focus groups	Mirroring
			Female
[33]	Bertoni, A. 2011	Friends and family	USA	Qualitative focus groups	Mirroring
			Male and female
[41]	Kouvonen, A. 2012	Friends and family	England	Longitudinal survey	Mirroring
			Male and female
[36]	Pachucki, M. 2011	Friends and family	USA	Longitudinal survey	Mirroring
			Male and female
[10]	Hruschka, D. 2011	Friends and family	USA	Cross-sectional survey	Mirroring Aspiring
			Female
[45]	Blanchflower, D. 2009	People living in same region	Europe	Cross-sectional survey	Aspiring
			Male and female
[44]	Bramble, J. 2009	Cultural group	USA	Qualitative interviews	Aspiring
			Female
[43]	Renzaho, A. M. N. 2012.	Cultural group	Australia	Qualitative interviews	Aspiring
			Male and female
[48]	Smith-Jackson, T. 2012	Peers	USA	Cross sectional survey/ qualitative interviews	Aspiring
			Female
[46]	Chandler-Laney, P. 2009	Peers	USA	Longitudinal survey	Aspiring
			Female
[47]	Klein, W. M. P. 2002.	Peers	USA	Cross sectional survey	Aspiring
			Female
[42]	Krones, P. G. 2005	Peers	USA	Randomised-controlled trial	Aspiring
			Female
[50]	Barthomeu, L. 2010.	Ephemeral network	European	Quasi- experimental	Changing behaviour
			Male and female
[49]	Mcferran, B. 2010	Ephemeral network	USA	Experimental	Changing behaviour
			Female