Table 1.
Author/year | Country | Age, y Mean (SD) | % Men | % cigarette smokers | % naive e-cig users | N | Cross-over study | Intervention arms |
|||
---|---|---|---|---|---|---|---|---|---|---|---|
Cigarette | Nicotine e-cig | 0% nicotine e-cig | Placeb | ||||||||
| |||||||||||
Cossio 2020 | United States | 24 (3) | 50% | 0% | 100% | 16 | X | X | X | X | |
Biondi-Zoccai 2019 | Italy | 35 (13) | 30% | 100% | NR% | 20 | X | X | X | ||
Kerr 2018 | United Kingdom | 31.6 (10.5) | 100% | 100% | 100% | 20 | X | X | X | ||
Antoniewicz 2019 | Sweden | 26 (3) | 40% | 100% | NR | 17 | X | X | X | ||
Chaumont 2018 | Belgium | 23 (0.4) | 72% | 100% | NR | 25 | X | X | X | X | |
Franzen 2018 | Germany | 22.9 (3.5) | 33% | 100% | 0% | 15 | X | X | X | X | |
Fogt 2016 | United States | 23.1 (2.5) | 50% | 0% | 100% | 20 | X | X | X | ||
Vlachaupoulos, 2016 | Greece | 30 (8) | NR | 100% | NR | 24 | X | X | X | X | |
Cooke 2015 | United States | 23 (1) | 50% | 0% | 100% | 20 | X | X | X | ||
Yan 2015 | United States | 38.7(11) | 48% | 100% | 0% | 23 | X | X | X | ||
Szolty 2014 | Poland | 23 (2) | 0% | 100% | 0% | 15 | X | X | |||
Farsalinos 2014 | Greece | 35 (5) | 90% | 100% | NR | 76 | X | ||||
Czogala 2012 | Poland | 34.9 (15.3) | 50% | 100% | 100% | 42 | X | X |