Table 3 Predictive values of social and behavioral factors on nondaily smoking at T2 and T3 (n = 942)
From: Nondaily smoking: a population-based, longitudinal study of stability and predictors
Nondaily smoking versus nonsmoking | Nondaily smoking versus daily smoking without nicotine dependence | Nondaily smoking versus daily smoking with nicotine dependence | ||||
|---|---|---|---|---|---|---|
T2 (mean age 20.7 years) | ||||||
Predictors at previous time points | Multiple model | Multiple model adjusted for T1 smoking | Multiple model | Multiple model adjusted for T1 smoking | Multiple model | Multiple model adjusted for T1 smoking |
School grades (T1) | 1.69 (1.04–2.75) | 2.57 (1.54–4.28) | 2.15 (1.26–3.66) | |||
Participants’ education (T2) | 1.90 (1.13–3.19) | 1.87 (1.11–3.17) | ||||
Parental alcohol intoxication (T1) | 0.83 (0.73–0.94) | 0.83 (0.73–0.94) | ||||
Unorganized leisure time (T1) | 1.06 (1.01–1.12) | 0.91 (0.86–0.97) | 0.93 (0.88–0.99) | 0.90 (0.85–0.95) | 0.91 (0.85–0.97) | |
Smoking status (T1) | – | – | – | |||
Nonsmokers | – | Reference group | – | Reference group | – | Reference group |
Nondaily smokers | – | 6.50 (3.53–11.98) | – | – | ||
Daily smokers | – | – | 0.22 (0.08–0.60) | – | 0.25 (0.09–0.68) | |
T3 (mean age 26.7 years) | ||||||
Predictors at previous time points | Multiple model | Multiple model adjusted for T2 smoking | Multiple model | Multiple model adjusted for T2 smoking | Multiple model | Multiple model adjusted for T2 smoking |
Participants’ education (T2) | 1.91 (1.13–3.21) | 2.19 (1.27–3.77) | ||||
Smoking friends (T2) | 2.04 (1.27–3.27) | 0.25 (0.11–0.58) | ||||
Unorganized leisure time (T1) | 1.09 (1.03–1.15) | 1.06 (1.00–1.12) | 0.93 (0.88–0.99) | |||
Smoking status (T2) | – | – | – | |||
Nonsmokers | – | Reference group | – | Reference group | – | Reference group |
Nondaily smokers | – | 8.41 (4.72–14.97) | – | – | 5.11 (1.29–20.20) | |
DS FTND < 4 | – | 7.26 (3.73–14.16) | – | 0.33 (0.15–0.73) | – | |
DS FTND ≥ 4 | – | 9.74 (3.83–24.77) | – | 0.30 (0.11–0.79) | – | 0.11 (0.04–0.31) |