Study	a) A/C b) ITT	c) assessor blind	d) comparability	e) identical care	f) in/exclusion	g) interventions	h) participant blind	i) carers blind	j) duration
Banerjee 1978	1 2	0	0	1	0	1	0	0	1
Barr 2000	1 1	0	2	1	2	0	0	0	0
Benati 2001	1 0	0	0	0	1	0	0	0	0
Bonnefoy 2003	2 1	0	1	2	1	2	2	2	2
Bourdel 2000	1 2	1	2	0	1	1	0	0	0
Broqvist 1994	1 2	2	1	0	2	1	2	2	1
Brown 1992	0 2	2	1	0	2	0	0	0	0
Bruce 2003	0 1	0	2	1	2	1	0	0	2
Carver 1995	0 1	1	2	2	2	2	2	0	1
Collins 2005	1 0	1	2	2	2	2	2	2	1
Daniels 2003	2 2	1	2	0	2	1	0	0	1
Deletter 1991	1 2	0	2	0	2	0	0	0	1
Delmi 1990	1 1	0	2	0	2	2	0	0	2
Edington 2004	2 1	0	0	0	2	2	0	0	1
Eneroth 2004	1 1	2	0	2	2	0	2	2	2
Fiatarone 1994	1 2	0	2	2	2	2	2	2	1
FOOD 2005	2 2	0	2	0	2	1	0	0	2
Gariballa 1998	2 2	1	1	2	1	0	0	0	1
Gariballa 2006	2 2	2	2	0	2	2	2	2	2
Gazzotti 2003	1 1	0	2	0	2	0	0	0	1
Gegerle 1986	1 2	0	2	0	0	2	0	0	0
Gray‐Donald 1995	1 2	1	2	0	2	1	0	0	1
Hankey 1993	1 0	0	0	2	1	1	0	0	1
Hankins 1996	2 2	0	2	1	2	2	0	0	1
Hampston 2003	2 1	0	1	0	2	1	0	0	2
Hubsch 1992	1 2	0	0	0	0	0	0	0	1
Jensen 1997	2 1	1	1	0	2	1	0	0	1
Knowles 1988	1 2	2	1	0	2	1	0	0	1
Krondl 1999	0 0	0	1	2	2	2	0	0	1
Kwok 2001	0 1	2	0	2	2	2	0	0	1
Larsson 1990	2 0	0	0	0	1	1	0	0	1
Lauque 2000	1 1	0	2	0	2	2	0	0	1
Lauque 2004	1 1	0	2	0	2	1	0	0	2
MacFie 2000	2 1	0	2	2	2	0	0	0	1
Manders 2006	1 1	2	2	0	2	2	2	2	1
McEvoy 1982	1 2	0	0	0	1	1	0	0	0
McWhirter 1996	1 1	0	2	0	1	2	0	0	1
Madigan 1994	1 0	0	0	0	2	1	0	0	1
Meredith 1992	1 1	0	2	2	2	1	0	0	1
Ovesen 1992	1 1	1	0	2	2	1	2	2	0
Payette 2002	1 2	1	2	0	2	0	0	0	1
Payette 2004	1 0	1	0	0	2	1	0	0	1
Potter 2001	2 2	1	1	2	2	2	0	0	0
Price 2005	2 2	0	1	0	2	1	0	0	1
Rosendahl 2006	2 2	2	2	1	2	2	2	2	2
Salas‐Salvado 2005	1 1	0	2	0	2	1	0	0	1
Saudny 1997	2 1	1	1	0	2	1	0	0	1
Schols 1995	1 1	2	0	2	2	2	0	0	1
Scorer 1990	1 0	0	2	0	2	0	1	0	1
Stableforth 1986	1 1	0	0	2	2	1	0	0	0
Steiner 2003	2 2	1	2	2	2	1	2	2	1
Tidermark 2004	2 2	1	2	2	2	0	0	0	2
Vermeeren 2004	1 1	1	2	2	2	0	2	2	1
Vlaming 2001	2 2	1	2	0	2	2	2	2	0
Volkert 1996	1 1	0	2	0	2	2	0	0	2
Woo 1994	1 2	2	2	2	2	0	0	0	1
Wouters 2002	1 1	0	1	2	2	2	2	2	1
Wouters 2003	0 1	0	1	2	2	2	2	2	2
Wouters 2005	2 1	2	2	0	2	2	2	2	1
Wouters 2006	1 1	0	2	0	2	1	0	0	1
Yamaguchi 1998	2 0	0	2	2	1	1	2	0	2
Young 2004	2 2	0	1	0	2	2	0	0	1
Footnotes: allocation concealment: A ‐ adeequate, B ‐ unclear, C ‐ not adequate; ITT: intention‐to‐treat; 0 = worst, 2 = best