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Table 1 Contributing cohorts

From: Does parity matter in women’s risk of dementia? A COSMIC collaboration cohort study

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.

  1. 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
  2. The participants of all studies but MAAS were randomly sampled.
  3. *Ethnicity of the country
  4. Numbers at the baseline assessment
  5. Mean ± standard deviations (range)
  6. cNumber of children
  7. cbNumber of childbirths