Cohort Profile Update: The US Millennium Cohort Study—evaluating the impact of military experiences on service members and veteran health.

Military service characteristics Service-related factors that have been consistently assessed over time include combat experiences, environmental exposures, deployments (e.g. locations and dates), military satisfaction and reasons for separating from the military. Cohort Profile Update: The US Millennium Cohort Study - evaluating the impact of military experiences on service members and veteran health The Study is unique in having a diverse cohort from all service branches and components and in collecting data on service members even after they separate from the military. Sociodemographic factors (e.g. sex, age, marital status, race and ethnicity) and military factors (e.g. pay grade, service branch, time in service, military occupation, service component and separation) are obtained from the DMDC. [Extracted from the article]