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CV Risk Factors at Age 25-64 & Long-Term Medicare Costs

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00006296
First Posted: September 26, 2000
Last Update Posted: February 18, 2016
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
National Heart, Lung, and Blood Institute (NHLBI)
  Purpose
To assess in four large Chicago population cohorts whether young adult and middle-aged risk factor status has an impact not only on average annual Medicare costs, but also on cumulative and lifetime Medicare costs, to ages 70, 75, 80, >80, including to death, and during the last one to two years of life.

Condition
Cardiovascular Diseases Heart Diseases

Study Type: Observational

Resource links provided by NLM:


Further study details as provided by National Heart, Lung, and Blood Institute (NHLBI):

Study Start Date: September 2000
Study Completion Date: July 2005
Primary Completion Date: July 2005 (Final data collection date for primary outcome measure)
Detailed Description:

BACKGROUND:

Studies will be conducted on the cumulative lifetime Medicare costs of individuals from four Chicago population cohorts from which prior risk factor data are available. One cohort is from the Western Electric Company Study, with 2107 men who were 40-56 when the follow up began in 1957. For this group a physical exam, ECG and cholesterol measures are available along with data from a quantitative diet history conducted at that time assessing 28 days of intake. It is not clear whether the men themselves or their wives provided this information. Repeat measures are available, but attention is paid to their use in the analyses. Also, information on the availability of the quantitative information at the food level is not provided. Two cohorts are from the Peoples Gas Company Study, one with 1594 men aged 40-59 in 1958 and the second with 1609 men aged 25-39 in 1959 . From both cohorts a total of 1802 men are, based on their ages, currently Medicare eligible.The fourth cohort is the Chicago Heart Disease Detection Association Project (CHA) based on an initial survey of 39,573 men and women conducted in 1967-1973 on whom dietary data are not available.

DESIGN NARRATIVE:

The study assesses the relationships of CVD risk factors measured in young and middle-aged adult men and women to Medicare utilization and charges, from Medicare enrollment to death or attainment of age 70, 75, 80, >80, including in the last one to two years of life. The study determines long-term relationship between earlier low-risk status vs. not-low-risk to subsequent Medicare health care charges. Baseline low risk is all six CVD risk factors favorable: systolic/diastolic pressure 120 mmHg/80 mmHg and no antihypertensive treatment, serum cholesterol <200 mg/dl, not currently smoking, no ECG abnormalities, no history of diabetes or heart attack. The study also determines the relationships between baseline habitual eating patterns and subsequent Medicare utilization and charges. Further statistical methods are developed for optimal analyses of health care expenditures. The database will be extended by obtaining additional years of morbidity-mortality experience and of Medicare charge data to the year 2002.

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   up to 100 Years   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00006296


Sponsors and Collaborators
National Heart, Lung, and Blood Institute (NHLBI)
Investigators
OverallOfficial: Martha Daviglus Northwestern University
  More Information

Publications:

ClinicalTrials.gov Identifier: NCT00006296     History of Changes
Other Study ID Numbers: 913
R01HL062684 ( U.S. NIH Grant/Contract )
First Submitted: September 25, 2000
First Posted: September 26, 2000
Last Update Posted: February 18, 2016
Last Verified: April 2009

Additional relevant MeSH terms:
Cardiovascular Diseases
Heart Diseases