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Demographic factors drug and alcohol use, and number of sex partners were examined to predict perceived risk of AIDS exposure. Data came from a survey of 323 homosexual men in Alaska Nitrite use was the most important predictor and accounted for 6.91% of the explained variance. Nitrite use in combination with number of sex partners explained 8.76% of the variance. Men who socialized at adult book stores used significantly more nitrites and had significantly more male sex partners in the preceding vear than those who did not In addition to nitrite use, alcohol and barbiturate use were also higher in the perceived-risk group. These are the first data on nitrite use in Alaska ever published in the open literature Alaska is thought to be at especially high risk of an epidemic of HIV infection.