I wondee whether more people from those areas take part in the survey. They can assume that there are many people from the same area and often same age and same jobs, which implies that they can be sure their entries will remain anonymous.
I wondee whether more people from those areas take part in the survey. They can assume that there are many people from the same area and often same age and same jobs, which implies that they can be sure their entries will remain anonymous.