Prolonged smoking abstinence | ||
OR (95% CI), univariate analysis | OR (95% CI), multivariate analysis | |
Study arm | ||
Screen arm | 1.00 | 1.00 |
Control arm | 1.40 (1.01 to 1.92)* | 1.45 (1.02 to 2.04)* |
Age (T0) | 0.99 (0.96 to 1.03) | |
Level of education† | ||
Lower education | 1.00 | 1.00 |
Medium education | 1.27 (0.83 to 1.93) | 1.29 (0.84 to 2.00) |
Higher education | 1.84 (1.26 to 2.67)* | 1.66 (1.12 to 2.48)* |
Age at starting smoking | ||
<15 years | 1.00 | |
16–19 years | 1.20 (0.77 to 1.87) | |
>20 years | 0.73 (0.41 to 1.31) | |
No. of cigarettes smoked a day | 0.98 (0.96 to 1.00) | |
Smoking duration (years) | 1.00 (0.97 to 1.03) | |
Time to the first cigarette‡ | ||
<5 min | 1.00 | |
5–30 min | 1.68 (0.97 to 0.93) | |
30–60 min | 1.97 (1.10 to 3.51)* | |
>60 min | 2.34 (1.26 to 4.33)* | |
Intention to stop smoking (T0)§ | ||
Immotive | 1.00 | 1.00 |
Precontemplator | 1.65 (1.02 to 2.69)* | 1.60 (0.98 to 2.61) |
Contemplator | 1.93 (1.30–2.87)* | 1.81 (1.20 to 2.73)* |
Preparator | 1.58 (0.96 to 2.60) | 1.11 (0.61 to 2.00) |
↵* Statistically significant OR (p<0.05).
↵† Low educational level indicates primary, lower secondary general or lower vocational education; medium educational level, intermediate vocational education or higher secondary education; high educational level, higher vocational education or university.
↵‡ First question of the Fagerström Test for Nicotine Dependence (FTND).
↵§ Immotive indicates no intention to quit smoking within 1 year; precontemplator, intention to quit smoking within 1 year, but not within 6 months; contemplator, intention to quit smoking within 6 months, but not within 1 month; preparator, intention to quit smoking within the next month.