Race

Visit vs Average number of cigarettes smoke per day
N Mean StdDev Median Min Max Unknown Total
Visit 5 326 14.5 ± 9.8 10.0 1.0 60.0 409 735
Participant's age (category) vs Average number of cigarettes smoke per day
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 290 14.3 ± 9.7 10.0 1.0 60.0 368 658
5-14 yrs old - - - - - - 64 64
15-24 yrs old 23 7.4 ± 5.3 6.0 1.0 20.0 89 112
25-34 yrs old 25 11.8 ± 8.0 10.0 4.0 40.0 37 62
35-44 years 54 14.4 ± 8.8 12.5 1.0 40.0 44 98
45-54 years 72 14.5 ± 9.1 12.0 1.0 40.0 76 148
55-64 years 59 15.9 ± 9.8 15.0 2.0 40.0 25 84
65-74 years 38 16.0 ± 10.6 20.0 1.0 50.0 19 57
75-84 years 19 16.0 ± 14.0 10.0 2.0 60.0 12 31
85 years or older - - - - - - 2 2
Participant's sex vs Average number of cigarettes smoke per day
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 326 14.5 ± 9.8 10.0 1.0 60.0 409 735
Female 159 12.7 ± 7.8 10.0 1.0 40.0 247 406
Male 167 16.1 ± 11.1 15.0 1.0 60.0 162 329
Participant's race vs Average number of cigarettes smoke per day
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 326 14.5 ± 9.8 10.0 1.0 60.0 409 735
White 133 17.5 ± 11.4 20.0 1.0 60.0 171 304
Black 187 12.4 ± 8.0 10.0 1.0 40.0 222 409
More than one race 6 13.5 ± 7.2 15.0 1.0 20.0 16 22