[Collecting data on the state of health of the elderly by mail survey of family doctors (author's transl)].
In connection with a gerontological research project data on the physical of the persons being investigated were, amongst other sources, also obtained through a mail survey of family doctors. How far survey shortcomings have a distorting effect was studied. The results indicate that a mail survey of family doctors may yield appropriate data even if some of the physicians named by the persons being investigated do not respond.
[Collecting data on the state of health of the elderly by mail survey of family doctors (author's transl)]. In connection with a gerontological research project data on the physical of the persons being investigated were, amongst other sources, also obtained through a mail survey of family doctors. How far survey shortcomings have a distorting effect was studied. The results indicate that a mail survey of family doctors may yield appropriate data even if some of the physicians named by the persons being investigated do not respond.