Table 1.

Age and gender of Native American and Pacific Islander cohorts

Cohort	Gender	No. tested	Age range, yr	Median
Navaho	M	24	12–83	50
	F	44	12–78	39
	Total	68		45
Flathead	M	7	19–65	44
	F	12	31–88	52
	Unknown	6	59–63	61
	Total	25		57
Chamorro	M	21	44–68	55
	F	8	26–63	54
	Total	29		55