Migration study is used to study
Large-scale migration of human populations from one country to another provides a unique oppounity to evaluate the role of the possible genetic and environmental factors in the occurrence of disease in a population.Migration studies can be carried out in 2 ways -a) Comparision of disease and death rates for migrants with that kin who have stayed at home. (Genetically similar groups living in different environmental conditions)b) Comparision of migrants with the local population of the host country. (genetically different groups living in the same environment)Park 23e pg: 67
Sociodemographic reasons for migration of a population
Prevalence of disease in a population
Environmental and genetic factors in a disease in population
Diseases with long incubation period
Epidemiology