Gender

Visit vs Age when stopped smoking regularly
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 27 17.1 ± 0.7 17.0 16.0 18.2 490 517
Age at time of visit vs Age when stopped smoking regularly
TREC
N Mean StdDev Median Min Max Unknown Total
Total 27 17.1 ± 0.7 17.0 16.0 18.2 490 517
16.14 to 17.41 years 3 16.3 ± 0.6 16.0 16.0 17.0 127 130
17.41 to 17.69 years 10 16.9 ± 0.3 17.0 16.0 17.0 119 129
17.69 to 17.91 years 3 17.0 ± 0.0 17.0 17.0 17.0 126 129
17.91 to 19.56 years 11 17.6 ± 0.7 18.0 16.0 18.2 118 129
Male gender vs Age when stopped smoking regularly
TREC
N Mean StdDev Median Min Max Unknown Total
Total 27 17.1 ± 0.7 17.0 16.0 18.2 490 517
No 9 17.1 ± 0.6 17.0 16.0 18.0 247 256
Yes 18 17.1 ± 0.7 17.0 16.0 18.2 243 261
Race vs Age when stopped smoking regularly
TREC
N Mean StdDev Median Min Max Unknown Total
Total 27 17.1 ± 0.7 17.0 16.0 18.2 490 517
White 15 17.2 ± 0.7 17.0 16.0 18.2 294 309
Black 11 17.0 ± 0.6 17.0 16.0 18.0 174 185
Other 1 17.0 - 17.0 17.0 17.0 22 23