Maelstrom Research Staging

cahhm_test

Networks -

Variables -

Population

CaG population

The CaG cohort consists of men and women aged between 40 and 69 years and residing in metropolitan areas of Quebec at the time of recruitment.

Selection Criteria

Minimum age

Maximum age

Newborns

Twins

Countries

Canada

Territory

Montreal, Quebec, Sherbrooke and Saguenay for recruitment phase A. Trois-Rivières and Gatineau were added for recruitment phase B.

Ethnic Origin

Health Status

Other Criteria

Participants were excluded if they were not registered in the FIPA files, if they resided outside the selected regions, lived in First Nations Reserves or long-term healthcare facilities or were in prison.

Recruitment

Sources of recruitment

General population

General Population

Selected sample
Random digit dialing

Supplementary Information

Participants were randomly chosen to be broadly representative of the population based on provincial health insurance registries—FIPA files (fichier administratif des inscriptions des personnes assurées de la Régie de l’assurance maladie du Québec (RAMQ)).

Number of Participants

Number of Participants: 43,034
Number of Participants with Biological Samples: 30,226
Supplementary Information about selection criteria: Recruitment (2009):  19,985 participants
BALSAC collaboration (2009):  11,467 participants
Residential history (2011):  11,653 participants
Occupational history (2011):  10,891 participants
Nutrition (2012):  10,073 participants
Recruitment (2012):  23,049 participants
CAHHM collaboration (2015):  1,746 participants
Health follow-up (2016):  17,004 participants
COVID-19 (2020-06):  8,187 participants
COVID-19 (2021-03):  6,264 participants
COVID-19 (2021-10):  672 participants
COVID-19 (2022-03):  3,253 participants
COVID-19 (2022-04):  580 participants

More info

Data Collection Event

CaG - CAHHM collaboration - 2015

Information about socio-demographic characteristics, lifestyle, psychosocial environment, beliefs and values, personal history of disease, healthcare utilization and medication use is collected through the CAHHM questionnaire. Cognitive function is assessed. Anthropometric, blood pressure and body composition measures are taken. Heart, brain, carotid and abdomen measures are taken through MRI. Blood samples is also collected. See detailed project description: [CAHHM](https://www.maelstrom-research.org/study/cahhm)

More info

Collected Dataset / cahhm_test

cahhm_test

Population

CaG population

Data Collection Event

CaG - CAHHM collaboration - 2015

Files

Variables Classifications