Adolescent Light Cigarette Smoking Patterns and Adult Cigarette Smoking
Table 3
Logistic regressions of adolescent smoking patterns on adult smoking, national longitudinal study of adolescent to adult health (add health), 1994–2008 (public use).
Unadjusted odds ratio [95% confidence interval]
Adjusted odds ratio [95% confidence interval]
Adolescent smoking
No
Reference
Reference
1–5 cpd (light)
3.03 [2.50, 3.67]
2.45 [2.00, 3.00]
6–16 cpd (average)
7.72 [5.82, 10.22]
5.57 [4.17, 7.43]
17 or more cpd (heavy)
7.78 [5.09, 11.89]
5.23 [3.29, 8.31]
1Adolescent close friends who smoked
No close friends smoke
Reference
1 close friend smokes
1.37 [1.13, 1.66]
2 close friends smoke
1.56 [1.23, 1.98]
3 close friends smoke
1.81 [1.44, 2.26]
2Depression symptoms in adolescence
No
Reference
Yes
1.17 [0.95, 1.44]
Adolescent body mass index
Normal
Reference
Overweight
1.25 [1.02, 1.53]
Obese
1.07 [0.84, 1.36]
Race/ethnicity
Non-Hispanic white
Reference
Non-Hispanic black
0.87 [0.63, 1.20]
Hispanic
0.75 [0.60, 0.95]
Other
0.86 [0.56, 1.32]
Sex
Female
Reference
Male
1.51 [1.32, 1.73]
cpd: cigarettes per day smoked on the days in which the participant smoked during the previous month. 1Participants were asked if any of their three best friends smoked. 2Cut point was a score of 24 on the center for epidemiologic studies depression scale. Wald test for both unadjusted analysis and adjusted model. Adjusted model includes depressive symptoms in adolescence, adolescent close friends who smoked, adolescent body mass index, race/ethnicity, and sex.