Risk of bias of included studies by behaviour
| Author, year | Random sequence generation | Allocation concealment | Blinding of participants, personnel and outcome assessors | Incomplete outcome data | Selective reporting | Objective outcome assessment | Other bias |
| Alcohol consumption | |||||||
| Andersson,25 2015 | ? | ? | − | + | + | − | ? |
| Helzer et al, 6 2008 | ? | ? | − | + | − | − | ? |
| Rose et al, 39 2015 | ? | ? | − | ? | ? | − | + |
| Rose et al, 43 2017 | + | ? | + | ? | ? | − | + |
| Medication adherence | |||||||
| Cizmic et al, 31 2015 | + | ? | − | + | ? | + | + |
| Derose et al, 32 2013 | + | ? | − | + | ? | + | + |
| Migneault et al, 42 2012 | + | ? | − | ? | ? | − | + |
| Sherrard et al, 38 2009 | ? | + | − | + | − | − | + |
| Sherrard et al, 35 2015 | + | ? | − | − | ? | − | + |
| Shet et al,34 2014 | ? | + | − | + | ? | + | + |
| Stacy et al, 36 2009 | ? | ? | − | + | ? | + | + |
| Vollmer et al,37 2011 | ? | ? | − | + | ? | + | + |
| Vollmer et al,33 2014 | + | ? | − | + | ? | + | + |
| Diet | |||||||
| Estabrooks,41 2008 | ? | ? | − | + | ? | − | ? |
| Migneault et al,42 2012 | + | ? | − | ? | ? | − | + |
| Physical activity | |||||||
| Estabrooks,41 2008 | ? | ? | − | + | ? | + | ? |
| King et al,40 2007 | + | ? | − | + | ? | − | + |
| Migneault et al, 42 2012 | + | ? | − | ? | ? | − | + |
Note: ‘+’ indicates low risk of bias; ‘−’ indicates high risk of bias; ‘?’ indicates unclear risk of bias.