What is the effect of different incentive levels on the participation rate for a mailed survey and telephone interview?
Completed
- Conditions
- Participation rate within patients with type 2 diabetesNutritional, Metabolic, EndocrineNon-insulin-dependent diabetes mellitus
- Registration Number
- ISRCTN95158258
- Lead Sponsor
- Radboud University Medical Centre (Netherlands)
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 300
Inclusion Criteria
1. Medical diagnosis of diabetes (not a patient-reported diagnosis)
2. Type 2 diabetes only (no type 1, but comorbidities such as cardiovascular disease are allowed)
3. Male and female, 18 years or over
Exclusion Criteria
1. No established diagnosis of diabetes, but obesity or high risk for developing diabetes
2. Mix of type 2 and type 1 (not pure type 2 diabetes)
3. Pregnancy
4. Pregnancy-related diabetes
5. Recent/current major surgery or medical procedures
6. Severe cognitive or psychiatric handicap
7. Terminal illness/receiving palliative care
8. Absence of translators (e.g. family members) for patients with insufficient language skills
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Participation rate will be studied within three different areas with different levels of deprivation (subgroup analysis). The participation rate is measured by the total amount of completed questionnaires and telephone interviews, divided by the total number of distributed questionnaires. This rate will be calculated for each level of incentive. There is only one time point as each participant can only complete the questionnaire once.
- Secondary Outcome Measures
Name Time Method ot provided at time of registration