American Association for Cancer Research

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Table 2.

Characteristics SCCHN patients and control subjects

Variable	Cases (n = 57)	Controls (n = 63)	P*
Variable		No. (%)	P*	No. (%)
Age (y)
≤55	24 (42)	25 (40)
>55	33 (58)	38 (60)	0.787
Sex
Male	43 (75)	39 (62)
Female	14 (25)	24 (38)	0.112
Ethnic group
African-American	3 (5)	3 (5)
Mexican-American	3 (5)	4 (6)
Non–Hispanic White	51 (90)	56 (89)	0.962
Tobacco use^†
Yes	42 (74)	31 (49)
No	15 (26)	32 (51)	0.006
Alcohol use^‡
Yes	43 (75)	33 (52)
No	14 (25)	30 (48)	0.009

Variable	Cases (n = 57)	Controls (n = 63)	P*
Variable		No. (%)	P*	No. (%)
Age (y)
≤55	24 (42)	25 (40)
>55	33 (58)	38 (60)	0.787
Sex
Male	43 (75)	39 (62)
Female	14 (25)	24 (38)	0.112
Ethnic group
African-American	3 (5)	3 (5)
Mexican-American	3 (5)	4 (6)
Non–Hispanic White	51 (90)	56 (89)	0.962
Tobacco use^†
Yes	42 (74)	31 (49)
No	15 (26)	32 (51)	0.006
Alcohol use^‡
Yes	43 (75)	33 (52)
No	14 (25)	30 (48)	0.009

Calculated using two-sided χ² test.

The question asked was, “Have you ever smoked at least 100 cigarettes in your lifetime?”

The question asked was, “Have you ever drunk alcoholic beverages at least once a week for 1 year or more?”