The Vancouver-BOLD Study: The Burden of Chronic Obstructive Lung Disease

February 7, 2025 updated by: University of British Columbia

The Burden of Chronic Obstructive Lung Disease (BOLD) Study

This is a study of the lung health of the population of Vancouver and the extent of, and the risk factors for, chronic obstructive lung disease.

Study Overview

Status

Completed

Conditions

Chronic Obstructive Lung Disease

Intervention / Treatment

Behavioral: Study to determine the burden of disease

Study Type

Observational

Enrollment (Actual)

1000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Canada
- British Columbia
  - Vancouver, British Columbia, Canada, V5Z 1L8
    - St.Paul's Hospital/Providence Health Care

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

40 years to 90 years (Adult, Older Adult)

Accepts Healthy Volunteers

Sampling Method

Probability Sample

Study Population

Population of Vancouver, BC, Canada

Description

Inclusion Criteria:

40 years of age and older
Both sexes
Random sample of population

Exclusion Criteria:

Contraindication for lung function testing and serious life threatening illness.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Observational Models: Cohort
Time Perspectives: Retrospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Lung health Time Frame: 10 years	Lung health of the population of Vancouver and the extent of, and the risk factors for, chronic obstructive lung disease	10 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of British Columbia

Investigators

Study Director: Wen Wang, University of British Columbia

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2005

Primary Completion (Actual)

December 1, 2013

Study Completion (Actual)

December 1, 2013

Study Registration Dates

First Submitted

August 25, 2005

First Submitted That Met QC Criteria