The effects of socioeconomic characteristics and off-reservation contacts on the service awareness and usage patterns of elderly native Americans.
D000368:Aged; D006297:Health Services Accessibility; D006299:Health Services for the Aged / Q000706:statistics & numerical data*; D006801:Humans; D007198:Indians, North American; D007407:Interviews as Topic; D008875:Middle Aged; D009658:North Dakota; D012959:Socioeconomic Factors; D013023:South Dakota