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Frequently asked questions

1. Are the data I provide to the investigator confidential?
 
The Scientific Institute of Public Health will only handle anonymous
data. It will be impossible for researchers to make the link between you and your address and your answers to the questions. This approach is consistent with the law on the protection of private life (Belgian law of 8 December 1992 on privacy protection in relation to the processing of personal data).
 
 
2. Can I refuse to participate in the survey?
 
Upon receipt of the invitation letter, you have the option to refuse any further contact by mail or email. Persons who refuse to participate in the survey or refused after the first contact with the investigator will no longer be contacted thereafter. In case of refusal, the interviewers are instructed not to insist and will not contact you again.
 
 
3. I agreed to participate in the survey. May I stop before the end?
 
Participation in the Food Consumption Survey is completely voluntary. You have the right to withdraw from the study at any time.
 
 
4. What do I win by participating to this survey?
 
Each participant will receive at the end of his participation a gift voucher of 10 € from the WIV-ISP, and a report with the results of the investigation.
 
 
5. Why and how have I been selected for this study?
 
We have selected a random sample of 3200 individuals, including yourself, from the National Register of Belgium. The amount of selected persons from each region and municipality depends on the number of residents. In addition, in each province the same amount of people for each age group (3-5 years, 6-9 years, 10-17 years, 18-39 years and 40-64 years) and gender were selected at random.
 
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