Study	Reason for exclusion
Abreu 2008	not delayed verification
Blackburn 2013	data not suitable for analysis
Bloomfield 2012	wrong study design
Bosboom 2013	wrong study design
Burke 2014	no original data
Burton 2015	review article
Butt 2008	data on fewer than 10 subjects
Bystad 2013	review article
Cherbuin 2008	no new data
Cherbuin 2012	no original data
Cruz‐Orduna 2012	no delayed verification
de Jonge 1997	data not suitable for analysis
Dekkers 2009	data not suitable for analysis
Diefeldt 2007b	no new data
Ehrensperger 2010	data not suitable for analysis
Eramudugolla 2013	wrong study design
Farias 2002	unsuitable reference standard
Finneli 2009	data not suitable for analysis
Fuh 1995	case‐control study
Garcia 2002	not delayed verification
Girard 2014	unsuitable reference standard
Goncalves 2011	not delayed verification
Hancock 2009	not delayed verification
Harwood 1997	not delayed verification
Hayden 2003	data on fewer than 10 subjects
Hollands 2015	unsuitable reference standard
Isella 2002	data not suitable for analysis
Isella 2006	case‐control design
Jackson 2014	no delayed verification
Jorm 1988a	not delayed verification
Jorm 1989	data not suitable for analysis
Jorm 1991	not delayed verification
Jorm 1994	not delayed verification
Jorm 1996A	unsuitable reference standard
Jorm 1997	no new data
Jorm 2000	unsuitable reference standard
Jorm 2000a	not delayed verification
Jorm 2003	no new data
Jorm 2004	no new data
Kathriarachi 2001	not delayed verification
Khachaturian 2000	data not suitable for analysis
Knaefelc 2003	not delayed verification
Larner 2010	two types of dementia rather than dementia versus no dementia
Larner 2013	review article
Law 1995	not delayed verification
Li 2012	unsuitable reference standard
Lin 2013	review article
Louis 1999	case‐control design
Mackinnon 1998	not delayed verification
Mackinnon 2003	not delayed verification
Mimori 2000	no new data
Morales 1995	not delayed verification
Morales 1997a	not delayed verification
Morales 1997b	not delayed verification
Morales‐Gonzalez 1992	not delayed verification
Mulligan 1996	not delayed verification
Narasimhalu 2008	not delayed verification
Ozel‐kizel 2010	not delayed verification
Peroco 2009	not delayed verification
Potter 2009	data not suitable for analysis
Razavi 2011	not delayed verification
Ritchie 1992	data not suitable for analysis
Rodriguez‐Molinero 2010	unsuitable reference standard
Rovner 2012	data not suitable for analysis
Sanchez 2009	unsuitable reference standard
Schofield 2006	data not suitable for analysis
Senanorong 2001	not delayed verification
Sikkes 2010	not delayed verification
Siri 2006	not delayed verification
Srikanth 2006	not delayed verification
Starr 2000	unsuitable reference standard
Tang 2003	not delayed verification
Thomas 1994	not delayed verification
Tokuhara 2006	not delayed verification
Wierderholt 1999	data not suitable for analysis
Wolf 2009	unsuitable reference standard
Yamada 2000	not delayed verification
Zevallos‐Bustamente 2003	not delayed verification
Zhang 2003	data not suitable for analysis
Zhou 2002	not delayed verification
Zhou 2003	no new data
Zhou 2004	no new data