Age | n=23805 | n=3306 | n=961 |
<20 | 9.8 | 2.3 | 2.4 |
20–39† | 56.2 | 50.9 | 49.9 |
40–59 | 28.0 | 32.7 | 32.4 |
60+ | 5.9 | 14.2 | 15.3 |
|
Sex | n=23866 | n=3320 | n=965 |
Female† | 60.2 | 50.6 | 48.3 |
Male | 39.4 | 49.4 | 51.7 |
|
Ethnicity | n=23938 | n=3292 | n=956 |
White† | 83.3 (82.8 to 83.8)* | 88.2 (86.2 to 88.5)* | 86.6 (83.4 to 87.8)* |
Black | 6.2 | 4.1 | 3.7 |
Hispanic | 4.8 | 3.7 | 5.1 |
Other | 4.0 | 4.0 | 4.6 |
|
Education | n=22780 | n=3308 | n=962 |
≤High school† | 47.5 | 53.1 | 52.5 |
≥Some college | 50.9 | 46.9 | 47.5 |
|
Ready to quit in 30 days (%) | 92.9 | 29.1 | 100 |
|
Daily smokers | n=23938 | n=3320 | n=965 |
Daily smokers (%)†‡ | 98.1 | 82.8 | 73.7 |
Median number of cigarettes per day | 23 | 20 | 20 |
Time to first cigarette: | n=23477 | n=2724 | n=700 |
Immediately †‡ | 40.0 (39.4 to 40.6)* | 14.4 (12.5 to 16.4)* | 8.5 (5.8 to 11.2)* |
<15 minutes | 16.3 | 16.4 | 14.5 |
15–30 minutes | 16.7 | 25.7 | 26.3 |
31+ minutes | 26.4 | 43.5 | 50.7 |