13. Dietary advice plus supplements compared with no advice and no supplements: differences in baseline characteristics.

Study	Differences at baseline	RIsk of bias judgement
Hampson 2003	Treatment group were significantly lighter and had a lower fat mass than the control group.	Unclear risk of bias
Payette 2002	Baseline characteristics similar apart from age (the control group was significantly younger than the intervention group), but this was judged to be unlikely to affect the outcomes as the mean difference was only 3 years.	Low risk of bias