Table 2 Subjects characteristics at baseline and after 24 weeks of personal vaporiser use
Parameter | At Baseline | At 24-Weeks Post PV use | p value‡ |
|---|---|---|---|
Sustained >50% (excluding quitters; includes sustained >80% reducers ) reduction in cigarette smoking (n = 15) | |||
Age | 39.9 (±8.7)† | ||
Sex | 10 M; 5 F | ||
Smoking Pack Years | 31.1 (±16.5)† | ||
Cigarettes/day | 25 (20, 30)* | 6 (3.5, 6)* | <0.001 |
eCO | 18 (13, 32.5)* | 10 (7, 11.5)* | <0.001 |
Sustained >80% (excluding quitters) reduction in cigarette smoking (n = 7) | |||
Age | 40.3 (±11.2)† | ||
Sex | 6 M; 1 F | ||
Smoking Pack Years | 32.6 (±20.6)† | ||
Cigarettes/day | 25 (18, 32.5)* | 3 (3, 5)* | <0.001 |
eCO | 17 (13, 33)* | 10 (5, 10)* | 0.016 |
Sustained 100% (quitters) reduction in cigarette smoking (n = 18) | |||
Age | 40.2 (±8.9)† | ||
Sex | 12 M; 6 F | ||
Smoking Pack Years | 30.9 (±13.5)† | ||
igarettes/day | 25 (20.5, 25)* | 0 (0, 0)* | <0.001 |
eCO | 23 (17.5, 29.3)* | 3 (2.3, 4)* | <0.001 |
Smoking Failure (<50% smoking reduction) (n = 5) | |||
Age | 45.0 (±7.3)† | ||
Sex | 2 M; 3 F | ||
Smoking Pack Years | 32 (±18.5)† | ||
Cigarettes/day | 20 (20, 25)* | 20 (20, 20)* | 0.732 |
eCO | 18 (16, 32)* | 28 (17, 31)* | 0.819 |
Lost to Follow-up (n = 12) | |||
Age | 42.2 (±10.2) | ||
Sex | 6 M; 6 F | ||
Smoking Pack Years | 31.9 (±10.6) | ||
Cigarettes/day | 25 (20, 30) | N/A | N/A |
eCO | 24 (19.8, 34.5) | N/A | N/A |