CoDiab-VD: a Population-based Cohort on Quality of Care of Patients With Diabetes in the Canton of Vaud (Switzerland) (CoDiab-VD)
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| ClinicalTrials.gov Identifier: NCT01902043 |
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Recruitment Status :
Active, not recruiting
First Posted : July 17, 2013
Last Update Posted : March 14, 2022
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Diabetes, one of the most prevalent chronic disease (~ 9% worldwide), represents a major public health burden in terms of morbidity, disability and mortality. Caring for patients with diabetes requires effective collaboration between healthcare providers, teamwork, self-management education and use of evidence-based medicine. However, these processes of care are complex and often suboptimal. Improving quality of diabetes care is thus needed to reduce the health and societal burden of this disease.
In the canton of Vaud, a state in Switzerland with more than 700,000 inhabitants, a recent population-based study has shown that the prevalence of diabetes was around 7%. Data on the quality of diabetes care is scarce and quality of care data are still infrequently and unsystematically collected in Switzerland. In addition, when data are available, they focus on intermediate outcomes as well as clinical and biological cardiovascular risk factors. Population-based data on patient-reported outcomes are not considered.
In 2010, the Public Health Department of the canton of Vaud initiated the development of a regional diabetes program entitled "Programme cantonal Diabète" (PcD). It aimed both at decreasing the incidence of diabetes and improving care for patients with diabetes.
To tailor the program to the healthcare needs of patients and healthcare professionals involved in diabetes care, an exploratory study using qualitative methods was conducted in 2010. This was followed by a population-based survey conducted in fall 2011 and summer 2012. The objectives of the survey were to characterize patients with diabetes and assess the quality of the care they received. In addition, the results of the survey were used to help targeting unmet needs and possible areas of improvements, and constituted the patients' baseline measurement for the evaluation of the PcD.
The CoDiab-VD cohort emerged from that initial project; its specific objectives were 1) to follow over time the quality of diabetes care, 2) to explore topics that the PcD needed for its development, 3) to assess the impact of the PcD on the care of patients with diabetes, and 4) to evaluate the coverage of the PcD in the canton of Vaud.
| Condition or disease |
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| Diabetes Mellitus |
Show detailed description
| Study Type : | Observational |
| Actual Enrollment : | 1033 participants |
| Observational Model: | Cohort |
| Time Perspective: | Prospective |
| Official Title: | CoDiab-VD: a Population-based Cohort on Quality of Care of Patients With Diabetes in the Canton of Vaud (Switzerland) |
| Actual Study Start Date : | September 2011 |
| Actual Primary Completion Date : | December 2016 |
| Estimated Study Completion Date : | December 2022 |
- Process of care indicators and the following outcomes of care: HbA1C, quality of life (QoL), Patient Assessment of Chronic Illness Care (PACIC) [ Time Frame: Baseline and follow up once a year up to 10 years ]
- "Self-management support" measures (glycemic self-monitoring, participation in education classes/groups, self-efficacy, use of the diabetes passport) [ Time Frame: Baseline and follow up once a year up to 10 years ]
- Knowledge of and participation in the activities/projects of the Programme cantonal Diabète (PcD) [ Time Frame: Baseline and follow up once a year up to 10 years ]
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| Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | No |
| Sampling Method: | Probability Sample |
Inclusion Criteria:
- Diagnosis of diabetes mellitus
- Disease ≥ 12 months
- Age ≥ 18 years
- Residing in the canton of Vaud, Switzerland, non-institutionalized
- Informed consent
Exclusion Criteria:
- Gestational diabetes mellitus
- Obvious cognitive impairment
- Not speaking or understanding French well enough
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): NCT01902043
| Switzerland | |
| Center for Primary Care and Public Health (Unisante), University of Lausanne, Switzerland | |
| Lausanne, Switzerland | |
| Principal Investigator: | Isabelle Peytremann Bridevaux, Professor | Center for Primary Care and Public Health (Unisante), University of Lausanne, Switzerland |
Other Publications:
| Responsible Party: | Peytremann Bridevaux Isabelle, Professor, Center for Primary Care and Public Health (Unisante), University of Lausanne, Switzerland |
| ClinicalTrials.gov Identifier: | NCT01902043 |
| Other Study ID Numbers: |
CoDiab-VD-151/11 |
| First Posted: | July 17, 2013 Key Record Dates |
| Last Update Posted: | March 14, 2022 |
| Last Verified: | February 2022 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | Yes |
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diabetes mellitus cohort study quality of care quality indicators, Health care |
quality of Health Care outcome and process assessment health services research chronic diseases prevention and management |
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Diabetes Mellitus Glucose Metabolism Disorders Metabolic Diseases Endocrine System Diseases |