Table 2. Results of ANOVA between demographic characteristics, working conditions and the Fagerstrom questionnaire (p-values).

The Fagerstrom questionnaire items	Educational level	Job satisfaction	Stress at work	Family status
How soon after you wake up do you smoke your first cigarette?	0.644	0.789	0.201	0.396
Do you find it difficult to refrain from smoking in places where it is forbidden, such as the library, theatre, or doctors' office?	0.755	0.040	0.962	0.707
Which of all the cigarettes you smoke in a day is the most satisfying?	0.880	0.336	0.401	0.410
How many cigarettes a day do you smoke?	0.551	0.020	0.054	0.573
Do you smoke more during the morning than during the rest of the day?	0.657	0.909	0.054	0.420
Do you smoke when you are so ill that you are in bed most of the day?	0.711	0.083	0.476	0.635
The brand you smoke has low, medium, or high nicotine content?	0.585	0.374	0.265	0.914
How often do you inhale the smoke of your cigarette?	0.232	0.740	0.221	0.973
Score	0.184	0.599	0.432	0.723