II. Demographic Variables and Illness Onset in an Attack Carrier’s Crew

Abstract

On the basis of analyses of variance, the following demographic variables were found to have a significant overall relationship to illness incidence: job specialty, age, pay grade, race, birthplace, and number of dependents. The remaining ten variables were statistically unrelated to illness incidence. Relatively high illness rates occurred in younger, nonrated seamen, especially those in the Fireman/Fireman Apprentice category who worked on the ship’s engines. Relatively high illness rates also occurred in Negro and American Indian sailors.