Table 2 Techniques employed in behaviour change interventions [18, 41]

Goal setting (behaviour)

Suffoletto 2013 [28]; Gold 2011 [29]

Feedback on behaviour

Suffoletto 2013 [28]

Information about health consequences

De Tolly 2012 [22]; Gold 2011 [29]; Odeny 2012 [25]; Odeny 2014 [27]; Suffoletto 2013 [28]

Modelling of the behaviour

Jones 2013 [21]

Social comparison

De Tolly 2012 [22]; Odeny 2014 [27]

Prompts/cues

Delamere 2006 [26]; De Tolly 2012 [22]; Downing 2013 [24]; Gold 2011 [29]; Odeny 2012 [25]; Odeny 2014 [27]; Shahkolahi 2013 [23]

Material incentive (behaviour)

Downing 2013 [24]; Suffoletto 2013 [28]