TABLE II.

Smoking Characteristics Among African American and European American Men

	African American (N = 822)	European American (N = 262)
Continuous variables	Mean ± SD	Mean ± SD	P-valuea
Cigarettes per day	7.0 ± 8.9	9.1 ± 12.0	0.01
Length of smoking, years	9.35 ± 15.1	10.2 ± 14.1	0.47
Pack-years	5.5 ± 12.3	12.9 ± 24.0	<0.001

Categorical variables	%	%	P-valueb
History of tobacco use
Current	25.0	40.4
Former	29.4	7.5
Never	45.6	52.1	<0.001
Smoking intensity
1–19 cigarettes per day	79.0	69.5
20 or more cigarettes per day	21.0	30.5	0.003

^aUnpaired, two-sample t-test.

^bChi-square analysis.