How can I be sure that the interviewer or healthcare professional who has contacted me is genuine?

All interviewers and healthcare professionals who work for NatCen Social Research or Kantar Public carry an identity card. Interviewers will have a copy of the letter that was sent to you in advance. Healthcare professionals will have a copy of the booklet left with you are the end of your interview. You can verify the identity of your interviewer or healthcare professional by calling NatCen Social Research, on Freephone 0800 652 4574.