The Canadian Partnership for Tomorrow Project aims to support leading edge Canadian and international research that investigates environmental, lifestyle and genetic factors related to the development and progression of cancer and other chronic diseases.

Design

Study Design The Partnership is a cohort composed of five Canadian prospective cohort studies: BC Generations Project, Alberta’s Tomorrow Project, Ontario Health Study, CARTaGENE (Quebec) and the Atlantic Partnership for Tomorrow’s Health.
Information on Follow-up After enrolment, cohort members are followed for at least 25 years.
Years 2008-ongoing
Recruitment Target Individuals
Marker Paper Borugian MJ, Robson P, Fortier I et al. The Canadian Partnership for Tomorrow Project: building a pan-Canadian research platform for disease prevention, CMAJ, 2010; 182(11): 1197-1201.

Population

Population Description Participants were recruited through one of the five regional cohorts included in the partnership. Participants aged 30 to 74 years at the time of recruitment were included in CPTP.
Sources of Recruitment The participants were selected from the general population. The mechanisms for identifying potential participants varied among jurisdictions and included random selection from population-based data, purchase of mailing lists for specific geographic areas, random-digit dialing and word of mouth.
Selection Criteria
  • Age: 30-74
  • Country: Canada
  • Provinces: Quebec, Ontario, Alberta, British Columbia and the Atlantic region (Nova Scotia, New Brunswick, Prince Edward Island, Newfoundland and Labrador)
Number of Participants 300,000
Number of Participants with Biological Samples 150,000

Data Collection Events

Baseline The core baseline health questionnaire included information on socio-demographic and economic characteristics, cancer screening history, personal and familial history of cancers, personal and familial history of diseases, medication use, reproductive history, lifestyle and health behaviours and self-reported physical measures. Biosamples (venous blood, saliva and urine) and physical measures were also collected from a subset of participants. Physical measures included height and weight, waist and hips circumferences, body composition, blood pressure and resting heart rate, and grip strength. Regional cohorts may have collected additional information not included in the CPTP core protocol, which would be detailed in each cohort’s individual study description.
  • Years: 2008-2015
  • Data Sources: Questionnaire, physical measures, biosamples
  • CPTP Harmonized Dataset: The CPTP harmonized dataset brings together the data collected from the five regional cohorts. The first data release (2015) consists in 709 core variables from the Health and Risk Factor Questionnaire collected at baseline. Physical measures data and biosamples data will be released at a later date.
Follow-Up The first participants’ follow-up will start during spring 2016. The follow-up questionnaire consists in the repetition of some of the baseline questions with the addition of new information. It includes socio-demographic characteristics, cancer screening history, personal and familial history of cancers, personal and familial history of diseases, anxiety, depressive symptoms, medication use, reproductive history, lifestyle and health behaviours and self-reported physical measures.
  • Years: 2016 -
  • Data Sources: Questionnaire

Overview

Summary Statistics

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