The data on sex were derived from answers to questionnaire item 3, which was asked of all persons. For most cases in which sex was not reported, it was determined by the appropriate entry from the person's given name and household relationship. Otherwise, sex was imputed according to the relationship to the householder and the age and marital status of the person. For more information on imputation, see Appendix C, Accuracy of the Data.
A measure derived by dividing the total number of males by the total number of females and multiplying by 100.
A question on the sex of individuals has been asked of the total population in every census.