Cleveland Family Study

Name

agesmok

Label

age when first smoked cigarettes

Units
years
Type
numeric

Visit vs age when first smoked cigarettes

N Mean StdDev Median Min Max Unknown Total
Visit 5 331 17.5 ± 5.9 17.0 -2.0 55.0 404 735

Age at time of visit vs age when first smoked cigarettes

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 294 17.6 ± 6.0 17.0 -2.0 55.0 364 658
5-14 yrs old - - - - - - 64 64
15-24 yrs old 23 15.0 ± 1.6 15.0 13.0 19.0 89 112
25-34 yrs old 26 18.2 ± 6.1 18.0 -2.0 28.0 36 62
35-44 years 54 16.2 ± 3.4 16.0 9.0 26.0 44 98
45-54 years 73 19.0 ± 6.3 18.0 12.0 48.0 75 148
55-64 years 60 17.5 ± 6.0 17.0 -2.0 50.0 24 84
65-74 years 39 18.3 ± 7.9 18.0 -2.0 55.0 18 57
75-84 years 19 18.2 ± 7.5 18.0 -2.0 35.0 12 31
85 years or older - - - - - - 2 2

Sex vs age when first smoked cigarettes

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 331 17.5 ± 5.9 17.0 -2.0 55.0 404 735
Female 161 18.0 ± 5.9 18.0 -2.0 48.0 245 406
Male 170 17.0 ± 5.9 16.0 -2.0 55.0 159 329

Race vs age when first smoked cigarettes

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 331 17.5 ± 5.9 17.0 -2.0 55.0 404 735
White 134 17.6 ± 5.1 17.0 9.0 50.0 170 304
Black 191 17.5 ± 6.5 17.0 -2.0 55.0 218 409
Other 6 15.8 ± 2.1 16.0 13.0 18.0 16 22