Key points are not available for this paper at this time.
Francis A. J. Ianni, Robert M. Albrecht, Walter E. Boek, Adele K. Polan, Age, Social, and Demographic Factors in Acceptance of Polio Vaccination, Public Health Reports (1896-1970), Vol. 75, No. 6 (Jun., 1960), pp. 545-556
Ianni et al. (Fri,) studied this question.