Study	At baseline	Randomisation	Allocation concealed	Intention‐to ‐treat	Assessor blinding	Losses accounted for
Brand 1991	similar	yes	not reported	yes	not reported	no losses
Collier 1988	similar	yes	not reported	yes	not reported	no losses
Fontvieille 1992	similar	yes	not reported	yes	not reported	no losses
Frost 1994	similar	yes	not reported	no	not reported	failed to complete study
Giacco 2000	similar	yes	not reported	no	not reported	reasons not given
Gilbertson 2001	similar	yes	not reported	yes, but not at 12 months	yes	yes
Jimenez‐Cruz 2003	similar	yes	not reported	no	not reported	yes
Komindr 2001	similar	yes	not reported	yes	not reported	no losses
Luscombe 1999	similar	yes	not reported	no	not reported	yes
Rizkalla 2004	similar	yes	not reported	yes	not reported	no losses
Wolever 1992	similar	yes	not reported	yes	not reported	2 participants sampled 1 week early for final analysis for both diets