Table 2.

Association between knowledge, attitude, family history, and perceived cancer risk among 182 Hopi Indians, Arizona, 2007

	High perceived risk		Low perceived risk
Exposure	n	(%)	n	(%)	OR †	95% CI	p-value ‡
Family history of cancer
No	11	(25.6)	54	(62.1)	1.0	Reference
Yes	32	(74.4)	39	(37.9)	5.3	(2.3, 12.3)
Knowledge* of Risk Factors							0.56
≤ 10	14	(31.8)	25	(23.4)	1.0	Reference
11-12	8	(18.2)	32	(29.9)	0.3	(0.1, 1.1)
≥ 13	22	(50.0	50	(46.7)	0.7	(0.3, 1.7)
Fatalistic Attitude §
Disagree	33	(72.7)	68	(65.4)	1.0	Reference
Agree	12	(27.3)	36	(34.6)	0.8	(0.3, 2.0)

^*After single imputation of missing individual questions

^†Adjusted for age, knowledge of family history; model for knowledge of family history additionally adjusted for employment

^‡Test for linear trend in odds ratio

^§Question: “There’s not much people can do to lower their chances of getting cancer”