“…Other factors such as insurance coverage, socioeconomic factors, culture, knowledge about cancer, as well as degree of satisfaction with health professionals might also impact health care access. In the community survey conducted in a preliminary study, about 70% of the American Indians (n = 199) resided within 30 miles of health care services, but their cancer screening behaviors had been discouraged due to nonspatial factors, including no vehicles, high gas prices, no health insurance, no regular health care provider, and lack of encouragement for cancer screening by health professionals. Results from the present study revealed that most areas were within 30 min of a CRC screening facility and thus gaps in the spatial accessibility might be small in South Dakota.…”