1 / 19

History of the Canadian Heart Health Surveys chhsnet

History of the Canadian Heart Health Surveys www.chhsnet.ca. Context in the 1980s : The burden of cardiovascular disease (CVD) 39% of deaths due to CVD Increasing rates of hospitalization and procedures Growing evidence base

warner
Download Presentation

History of the Canadian Heart Health Surveys chhsnet

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. History of the Canadian Heart Health Surveys www.chhsnet.ca

  2. Context in the 1980s: • The burden of cardiovascular disease (CVD) • 39% of deaths due to CVD • Increasing rates of hospitalization and procedures • Growing evidence base • Risk factors known – high blood pressure, smoking, dyslipidemia • CVD largely preventable • Community-based health promotion, as well as clinical interventions, have demonstrated benefit

  3. Promoting Heart Health in Canada • A report of the Federal Provincial Working Group on Cardiovascular Disease Prevention and Control 1987. • Recognized the importance of developing a comprehensive epidemiologic database for: • Goal-setting • Baseline for future program evaluation • Mobilization of the public health system • Established the foundation for the Canadian Heart Health Initiative

  4. Leadership • Department of Health and Welfare Canada • Dr. Andres Petrasovits • Dr. Sylvie Stachenko • Statistics Canada • Dr. M. Nargundkar • Dr. C. Nair • Provincial Ministries of Health • Dr. David MacLean, Nova Scotia • Dr. Brian O’Connor, British Columbia • Dr. Richard Lessard, Quebec • Heart and Stroke Foundation of Canada

  5. Canadian Heart Health Surveys • Standardized methodology • Developed for the 1986 Nova Scotia Heart Health Survey • Approved by REB in each province • Provincial heart health surveys conducted in all 10 provinces between 1986-92 • Compilation of the Canadian Heart Health Surveys database 1995, available on CD-ROM and housed at the Database Centre in Memorial University.

  6. Methodology • Stratified, two-stage probability sample survey • Target population • adults 18-74 years, not including people living in Indian reserves, military camps and institutions • Sampling frame • Provincial health insurance registration files • Contact mail/telephone and consent

  7. Methodology • Data collection in 2 phases: • Home interview by public health nurse • Demographics, lifestyle behaviors, self-reported diabetes and hypertension, knowledge and awareness of the causes and consequences of CVD and risk factors. Questionnaire comprised of previously validated components. • BP measured twice • Clinic visit to public health dept. within 2 weeks • Anthropometric measurements - Ht, Wt, (WC, HC), BP measure twice, fasting blood sample drawn

  8. Methodology • Blood samples • Kept cold, centrifuged within 3 hours, plasma shipped on ice, received within 24 hours and analyzed at the Lipid Research Lab, University of Toronto • Questionnaire • Identifying face sheets removed, stored securely. Data double-entered • Provincial dataset • De-identified • Prepared, cleaned and analyzed

  9. Canadian Heart Health Surveys Database • 10 provincial databases combined • Ms. Allison Edwards, Canadian Heart Health Database Centre, Memorial University • Two probability weights calculated for each subject to account for the survey design: • interview and clinic weight • Database (2) • Database Centre: includes PSU, Postal code • CD-ROM: includes only designation of province

  10. Canadian Heart Health Surveys Database Total Sample

  11. Canadian Heart Health Surveys Database Province

  12. Canadian Heart Health Surveys Database Age-Sex Group

  13. Canadian Heart Health Surveys Database • CHHS Research Group • Publications: • Canadian Heart Health Surveys: a profile of cardiovascular risk. CMAJ 1992. • Canadians and heart health: reducing the risk. Health Canada 1995. • Obesity: a risk factor for cardiovascular disease. CMAJ monograph 1997. • Cardiovascular disease and socioeconomic status. CMAJ monograph 2000 • Cardiovascular disease in seniors. CMAJ monograph 2002 • Hypertension (2). J Hypertension, JAMA. • Metabolic syndrome (2). Obesity Research.

  14. The Canadian Heart Health Surveys Follow-up Study is a New Emerging Team, funded by the Canadian Institutes for Health Research and the Heart and Stroke Foundation of Canada www.chhsnet.ca

More Related