Pub. date: 2008 | Online Pub. Date: November 27, 2007 | DOI: 10.4135/9781412953948 | Print ISBN: 9781412928168 | Online ISBN: 9781412953948 | Publisher:SAGE Publications, Inc.About this encyclopedia
10.4135/9781412953948.n19 See also 10.4135/9781412953948.n20 See also 1. To discover the agent, host, and environmental factors which affect health, in order to provide the scientific basis for the prevention of disease and injury and the promotion of health. 2. To determine the relative importance of causes of illness, disability, and death, in order to establish priorities for research and action. 3. To identify those sections of the population which have the greatest risk from specific causes of ill health, in order that the indicated action may be directed appropriately. 4. To evaluate the effectiveness of health programs and services in improving the health of the population. (p. 912) 10.4135/9781412953948.n21 See also 10.4135/9781412953948.n22 See also 10.4135/9781412953948.n23 See also U.S. Environmental Protection Agency: . 10.4135/9781412953948.n24 See also 1. the frequency of a specific allele among chromosomes from cases (allele analysis); 2. the frequency of a specific combination of alleles at one locus 3. ...