Table 1.

Contributing cohorts

Study	Location	Start	Ethnicity*	Participants† (all/women/included)	Age‡	Parity‡	Dementia† (all/AD/VaD)
CHAS15	Havana and Matanzas, Cuba	2003	Cuban	2944/1913/1552	75.1 ± 7.2 (65–100)	2.5 ± 2.2 (0–23)c	183/105/11
ESPRIT16	Montpellier, France	1999	White	2259/1313/1094	72.5 ± 5.6 (65–93)	2.4 ± 1.5 (0–9)cb	19/17/1
H7017	Gothenburg, Sweden	2000	White	1016/787/575	74.7 ± 5.4 (70–92)	2.0 ± 1.6 (0–20)c	16/7/4
HELIAD18	Larissa and Marousi, Greece	2009	White	1814/1074/918	72.1 ± 5.5 (60–93)	2.0 ± 0.8 (0–7)cb	22/16/3
KLOSCAD19	Nationwide, South Korea	2010	Asian	6818/3919/3686	70.7 ± 7.2 (60–101)	3.6 ± 1.7 (0–12)cb	190/145/17
KS20	Kurihara, Japan	2008	Asian	590/365/365	80.3 ± 4.2 (74–94)	2.4 ± 1.3 (0–7)cb	49/32/3
LEILA 75+21	Leipzig, Germany	1997	White	1265/964/636	81.2 ± 4.9 (75–99)	1.6 ± 1.3 (0–10)c	68/48/14
MAAS22	South Limburg, Netherlands	1993	White	683/342/342	69.2 ± 6.2 (60–82)	2.6 ± 1.9 (0–9)c	26/n.a./n.a.
SAS23	Shanghai, China	2010	Asian	3141/1873/1869	71.2 ± 8.4 (60–100)	2.0 ± 1.4 (0–9)cb	97/67/7
SPAH24	Sao Paulo, Brazil	2003	Brazilian	2072/1255/1149	72.6 ± 6.4 (65–101)	5.6 ± 4.1 (0–24)c	68/24/13
ZARADEMP25	Zaragoza, Spain	1994	White	4638/2683/2606	74.5 ± 9.6 (60–102)	2.4 ± 1.9 (0–12)cb	152/n.a./n.a.

CHAS Cuban Health and Alzheimer Study, ESPRIT Etude Sante Psychologique et Traitement, H70 Gothenburg H70 Birth Cohort Studies, HELIAD Hellenic Longitudinal Investigation of Aging and Diet, KLOSCAD Korean Longitudinal Study on Cognitive Aging and Dementia, KS Kurihara Study, LEILA75+ Leipzig Longitudinal Study of the Aged, MAAS Maastricht Ageing Study, SAS Shanghai Aging Study, SPAH Sao Paulo Ageing & Health Study, ZARADEMP Zaragoza Dementia Depression Project, AD Alzheimer’s disease, VaD vascular dementia, n.a. not available

The participants of all studies but MAAS were randomly sampled.

*Ethnicity of the country

^†Numbers at the baseline assessment

^‡Mean ± standard deviations (range)

^cNumber of children

^cbNumber of childbirths