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. 2023 Jun 23;13:04037. doi: 10.7189/jogh.13.04037

Table 2.

Basic information on scales and descriptive item statistics


Symptoms
Items
Mean (SD)
Predictability
CC
EC
CC
EC
FTND-6
Time to smoke the cigarette
1. How soon after you wake up do you smoke your first cigarette?
1.04 (1.12)
0.78 (1.13)
31%
27%
Difficulty with restrictions
2. Do you find it difficult to refrain from smoking in places where it is forbidden, eg, in church, at the library, cinema, etc.?
0.15 (0.36)
0.24 (0.43)
13%
22%
Smoking desire
3. Which cigarette would you hate most to give up?
0.29 (0.46)
0.19 (0.39)
23%
26%
Cigarettes amount
4. How many cigarettes / day do you smoke?
0.35 (0.61)
0.44 (0.89)
24%
10%
More during wake up
5. Do you smoke more frequently during the first hours of waking than during the rest of the day?
0.15 (0.36)
0.19 (0.39)
21%
22%
Smoking when ill
6. Do you smoke if you are so ill that you are in bed most of the day?
0.28 (0.45)
0.23 (0.42)
22%
24%
PTSD-10* Intrusive thoughts
1. Upsetting thoughts or memories about the event that have come into your mind against your will
0.61 (0.49)
0.60 (0.49)
33%
32%
Nightmares
2. Upsetting dreams about the event
0.49 (0.50)
0.49 (0.50)
40%
44%
Flashbacks
3. Acting or feeling as though the event were happening again
0.64 (0.48)
0.64 (0.48)
33%
33%
Emotional cue reactivity
4. Feeling upset by reminders of the event
0.55 (0.50)
0.57 (0.50)
45%
42%
Physiological cue reactivity
5. Bodily reactions (such as fast heartbeat, stomach churning, sweatiness, dizziness) when reminded of the event
0.45 (0.50)
0.45 (0.50)
38%
38%
Sleep disturbance
6. Difficulty falling or staying asleep
0.43 (0.49)
0.42 (0.49)
34%
33%
Irritability / anger
7. Irritability or outbursts of anger
0.37 (0.48)
0.38 (0.49)
39%
42%
Difficulty concentrating
8. Difficulty concentrating
0.49 (0.50)
0.51 (0.50)
41%
42%
Hypervigilance
9. Heightened awareness of potential dangers to yourself and others
0.35 (0.48)
0.32 (0.47)
46%
46%
Exaggerated startle response 10. Feeling jumpy or being startled at something unexpected 0.38 (0.48) 0.38 (0.49) 41% 39%

SD – standard deviation, CC – combustible cigarettes, EC – electronic cigarettes, FTND-6 – Fagerstrom Test for Nicotine Dependence-6, PTSD-10 – Posttraumatic Stress Disorder-10

*Measured by the 10-item Trauma Screening Questionnaire.