E-Cigarettes are More Addictive than Traditional Cigarettes—A Study in Highly Educated Young People
Abstract
1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Measures
2.3. Statistical Analysis
3. Results
3.1. Behavioral Aspects and Patterns of E-Cigarette Use
3.2. Fagerstrom Scores and Levels of Nicotine Addiction
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Overall n = 60 | Exclusive E-Cigarette Users n = 30 | Dual Users n = 30 | p * | |
---|---|---|---|---|
Average concentration of nicotine in the e-liquid [mg/mL] | ||||
Mean ± SD | 7.5 ± 3.8 | 6.8 ± 3.4 | 8.3 ± 4.0 | 0.1 |
Median (min–max) | 6.0 (2–18) | 6.0 (2–12) | 6.0 (3–18) | |
Milliliters of e-liquid used per day [mL] | ||||
Mean ± SD | 4.2 ± 3.4 | 4.1 ± 3.9 | 4.3 ± 3.1 | 0.8 |
Median (min–max) | 3.0 (0.15–15) | 3.0 (0.3–15) | 3.5 (0.15–10) | |
Milliliters of e-liquid used per month [mL] | ||||
Mean ± SD | 107 ± 102.2 | 113.9 ± 121.2 | 100.5 ± 81.9 | 0.6 |
Median (min–max) | 90.0 (10–550) | 90.0 (10–550) | 70.0 (10–300) | |
Type of e-liquid used | ||||
Purchased in the store % (95%CI) | 29.6 (19.1–42.8) | 33.3 (18.6–52.2) | 25.9 (13.2–44.7) | 0.6 |
Self-prepared % (95%CI) | 70.4 (57.2–80.9) | 66.7 (47.8–81.4) | 74.1 (55.3–86.8) | |
Number of different models of e-cigarette (device) used | ||||
Mean ± SD | 4 ± 4 | 3.6 ± 3.3 | 4.3 ± 4.6 | 0.5 |
Median (min–max) | 3 (1–23) | 3 (1–17) | 3 (1–23) |
Smokers n = 30 % (95%CI) | Exclusive E-Cigarette Users n = 30 % (95%CI) | Dual Users n = 30 % (95%CI) | p | |
---|---|---|---|---|
How soon after waking up do you reach for a cigarette? | ||||
Within 30 min | 17.9 (7.9–35.6) | 42.3 (25.5–61.1) | 0.04 | |
After 30 min | 82.1 (64.4–92.1) | 57.7 (38.9–74.5) | ||
How soon after waking up do you reach for an e-cigarette? | ||||
Within 30 min | 53.9 (35.5–71.2) | 57.1 (39.1–73.5) | 0.8 | |
After 30 min | 46.1 (28.8–64.5) | 42.9 (26.5–60.9) | ||
Do you find it difficult to refrain from smoking in places where it is forbidden? | ||||
Yes | 10.7 (3.7–27.2) | 19.2 (8.5–37.9) | 0.4 | |
No | 89.3 (72.8–96.3) | 80.8 (62.1–91.5) | ||
Do you find it difficult to refrain from use e-cigarette in places where it is forbidden? | ||||
Yes | 34.6 (19.4–53.8) | 42.9 (26.5–60.9) | 0.5 | |
No | 65.4 (46.2–80.6) | 57.1 (39.1–73.5) | ||
Which cigarette would you hate most to give up? | ||||
The first one in the morning | 57.1 (39.1–73.5) | 73.1 (53.9–86.3) | 0.2 | |
Any other | 42.9 (26.5–60.9) | 26.9 (13.7–46.1) | ||
Which e-cigarette would you hate most to give up? | ||||
The first one in the morning | 30.8 (16.5–50.0) | 35.7 (20.7–54.2) | 0.7 | |
Any other | 69.2 (50.0–83.5) | 64.3 (45.8–79.3) | ||
How many cigarettes per day do you smoke? | ||||
10 or less | 85.7 (68.5–94.3) | 69.2 (50.0–83.5) | 0.2 | |
11 to 20 | 14.3 (5.7–31.5) | 23.1 (11.0–42.1) | ||
21–30 | 0.0 (0.0–11.3) | 7.7 (2.1–24.1) | ||
31 or more | 0.0 (0.0–11.3) | 0.0 (0.0–11.3) | ||
How many times a day do you use e-cigarettes? (Number of e-smoking sessions: one e-smoking session consist of 15 puffs or approximately 10 min of use) | ||||
10 or less | 38.5 (22.4–57.5) | 32.1 (17.9–50.7) | 0.8 | |
11 to 20 | 38.5 (22.4–57.5) | 35.7 (20.7–54.2) | ||
21–30 | 11.5 (4.0–28.9) | 10.7 (3.7–27.2) | ||
31 or more | 11.5 (4.0–28.9) | 21.4 (10.2–39.5) | ||
Do you smoke more frequently during the first hours after waking than during the rest of the day? | ||||
Yes | 14.3 (5.7–31.5) | 34.6 (19.4–53.8) | 0.08 | |
No | 85.7 (68.5–94.3) | 65.4 (46.2–80.6) | ||
Do you use e-cigarettes more frequently during the first hours after waking than during the rest of the day? | ||||
Yes | 15.4 (6.2–33.5) | 39.3 (23.6–57.6) | 0.05 | |
No | 84.6 (28.8–64.5) | 60.7 (42.4–76.4) | ||
Do you smoke if you are so ill that you are in bed most of the day? | ||||
Yes | 21.4 (10.2–39.5) | 42.3 (25.5–61.1) | 0.09 | |
No | 78.6 (60.5–89.8) | 57.7 (40.0–74.5) | ||
Do you use e-cigarettes if you are so ill that you are in bed most of the day? | ||||
Yes | 34.6 (19.4–53.8) | 67.9 (49.3–82.1) | 0.01 | |
No | 65.4 (46.2–80.6) | 32.1 (17.9–50.7) | ||
FTND summary score | ||||
FTND cigarette score: mean ± SD | 1.6 ± 1.6 | 3.2 ± 2.2 | 0.002 * | |
FTND e-cigarette score: mean ± SD | 3.5 ± 2.6 | 4.7 ± 2.6 | 0.03 ** |
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Jankowski, M.; Krzystanek, M.; Zejda, J.E.; Majek, P.; Lubanski, J.; Lawson, J.A.; Brozek, G. E-Cigarettes are More Addictive than Traditional Cigarettes—A Study in Highly Educated Young People. Int. J. Environ. Res. Public Health 2019, 16, 2279. https://doi.org/10.3390/ijerph16132279
Jankowski M, Krzystanek M, Zejda JE, Majek P, Lubanski J, Lawson JA, Brozek G. E-Cigarettes are More Addictive than Traditional Cigarettes—A Study in Highly Educated Young People. International Journal of Environmental Research and Public Health. 2019; 16(13):2279. https://doi.org/10.3390/ijerph16132279
Chicago/Turabian StyleJankowski, Mateusz, Marek Krzystanek, Jan Eugeniusz Zejda, Paulina Majek, Jakub Lubanski, Joshua Allan Lawson, and Grzegorz Brozek. 2019. "E-Cigarettes are More Addictive than Traditional Cigarettes—A Study in Highly Educated Young People" International Journal of Environmental Research and Public Health 16, no. 13: 2279. https://doi.org/10.3390/ijerph16132279
APA StyleJankowski, M., Krzystanek, M., Zejda, J. E., Majek, P., Lubanski, J., Lawson, J. A., & Brozek, G. (2019). E-Cigarettes are More Addictive than Traditional Cigarettes—A Study in Highly Educated Young People. International Journal of Environmental Research and Public Health, 16(13), 2279. https://doi.org/10.3390/ijerph16132279