From: Nondaily smoking: a population-based, longitudinal study of stability and predictors
T3 (mean age 26.7 years) | ||||
---|---|---|---|---|
T2 (mean age 20.7 years) | Nonsmokers | Nondaily smokers | Daily smokers NND | Daily smokers ND |
(n = 636) | (n = 93) | (n = 120) | (n = 93) | |
n (%) | n (%) | n (%) | n (%) | |
Nonsmokers (n = 553) | 498 (90.1) | 26 (4.7) | 17 (3.1) | 12 (2.2) |
Nondaily smokers (n = 125) | 71 (56.8) | 33 (26.4) | 18 (14.4) | 3 (2.4) |
Daily smokers NND (n = 156) | 51 (32.7) | 24 (15.4) | 58 (37.2) | 23 (14.7) |
Daily smokers ND (n = 108) | 16 (14.8) | 10 (9.3) | 27 (25.0) | 55 (50.9) |