n. the application of statistical techniques to studies in biology, especially in the fields of medicine and public health. The term embraces, and is to some extent synonymous with, vital statistics (e.g. *fertility and *mortality rates) and *demography.
n. the study of populations on a national, regional, or local basis in terms of age, sex, and other *variables, including patterns of migration and survival. It is used in *public health medicine to help identify health needs and *risk factors. See also biostatistics.... demography