Survey | Form of invitation | Recruitment process | Incentives | Questionnaire administration | Examination place | Examination time (days of the week) | Examination time (time of the day) |
---|---|---|---|---|---|---|---|
England – HSE | Advance letter, notifying them an interviewer will call at their home, plus two information leaflets. | Interviewer visits a household to schedule an interview (min 6 attempts). | Unconditional £5 voucher per household, feedback on physical measurements and blood analysis results. | By interview during the separate visit before examination (nurse visit). | Participant’s home | Monday-Sunday | 08:00–22:00 |
Finland – FINRISK Study | Pre-notification SMS message followed by invitation letter which includes proposed examination time with possibility to change the time. | A reminder SMS message day before given appointment time. If person did not show to the appointment, 1–2 phone calls. If no contact by phone, a reminder letter with questionnaire. | Feedback on physical measurements and blood analysis results. | Self-administered questionnaire sent with invitation letter. Questionnaire checked at the beginning of the examination visit. | Examination centre | Monday-Friday | 11:00–18:00 |
Germany – DEGS | Invitation letter with a comprehensive information sheet, a reply card and questionnaire. | If no reply card received back, a reminder letter, after that phone calls and last home visits. | 30 € cash per participant, feedback on physical measurements and blood analysis results. | Self-administered questionnaire sent with invitation letter. Questionnaire checked at the beginning of the examination visit. | Examination centre | Tuesday-Wednesday | 12:30–22:00 |
Thursday-Friday | 7:30–17:00 | ||||||
Saturday | 7:30–15:00 | ||||||
Second self-administrated questionnaire and interviews at the examination site. | |||||||
Ireland – SLAN | Face-to-face invitation from interviewer who located the address. | Home visit as part of health interview survey. | Full report from medical staff on physical measurements and blood/urine analysis results. | By interview at the home of the participant before examination and for those participating in full HES part, additional questionnaire asked by a nurse at the examination centre/home visit. | Examination centre or home | Monday-Sunday | All day |
Italy – OEC/HES | Invitation letter which included proposed appointment and contact details for more information or to change the appointment time. | If person neither attended the given appointment time nor changed that, phone calls. If no contact by phone, a reminder letter with new appointment time. The last attempt was a personal phone call. | Feedback on physical measurements (including bone densitometry, spirometry and ECG) and blood analysis results, and lifestyle advice. No financial incentive. | By interview at the examination centre | Examination centre | Monday-Friday | 08:00–17:00 |
Later on request | |||||||
Sometimes on Saturday and Sunday | |||||||
Netherlands – NLdeMaat | Phase I: Invitation with a return card to make an appointment. | Phase I: If no reply card within 2 weeks, a reminder letter. If no reply to reminder in 2 weeks, a phone call (max 6 attempts). | Phase I: 10€ voucher per participant, feedback on physical measurements and blood analysis results. | Self-administered. Questionnaire checked at the beginning of the examination visit. | Examination centre | Phase I: Monday-Friday, Saturday | Phase I: Mon-Fri: 07:00–11:00 |
Sat: 09:00–14:00 | |||||||
Phase II: Invitation with an appointment card. | Phase II: If no reply card returned in 2 weeks, a home visit to recruit (max 6 attempts). | Phase II: 50€ voucher per participant, feedback on physical measurements and blood sample analysis results. | As for phase I | As for phase I | Phase II: Monday-Friday, Saturday | Phase II: Mon-Fri: 07:00–11:00, 15:00–20:00 | |
Sat: 09:00–14:00 | |||||||
Scotland – Scottish Health Survey | Advance letter, notifying them an interviewer will call at their home, plus information leaflet. | Interviewer visits a household to schedule an interview (min 6 attempts). | Unconditional £5 voucher per household, feedback on physical measurements and blood analysis results. | By interview during the separate visit before examination (nurse visit). | Participant’s home | Monday-Sunday | 08:00–22:00 |