Smokers and nonsmokers, each group consisting of 25 men and women, were observed an average of 9.16 min. while engaging in coffee-drinking behavior at the student union cafeteria. Data were tabulated in sips per minute. Smokers sipped coffee significantly less often than nonsmokers. Further, men sipped coffee markedly less frequently than women. Statistical analysis indicated that the major difference resulted from men smokers who sipped coffee significantly less frequently than the other groups.
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