Table 2.
Means (SDs) or n (%) for secondary outcomes for Group x Quit Status x Time.
| OWN BRAND | ECIG | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total n=24 | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | |
| Quitters (n=14) | Returned Filters | 10.9 (4.5) | 9.1 (3.5) | 5.1 (4.1) | 4.3 (3.8) | 4.6 (3.3) | 3.4 (3.1) | 3.6 (3.8) | 1.6 (2.0) | ||||||
| Logged CPD | 11.4 (5.3) | 8.9 (4.0) | 4.0 (3.4) | 3.3 (3.1) | 8.0 (7.5) | 6.5 (8.5) | 5.9 (7.4) | 3.5 (3.5) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 7.5 (5.1) | 6.1 (2.6) | 4.8 (3.1) | 5.1 (2.3) | |||||||
| Cotinine | 541.5 (308.2) | 591.3 (345.8) | 529.1 (284.2) | 537.1 (297.1) | 463.4 (311.5) | 537.7 (337.1) | 497.1 (328.0) | 498.4 (310.9) | |||||||
| Expired air CO | 21.0 (10.1) | 19.3 (6.3) | 21.6 (10.6) | 19.1 (16.0) | 20.9 (17.2) | 18.0 (15.4) | 18.9 (14.4) | 11.0 (13.5) | 7.1 (10.7) | 6.4 (9.0) | 9.1 (12.3) | 8.6 (8.2) | |||
| Readiness to Quit | 6.1 (1.3) | 6.9 (0.9) | 7.3 (0.8) | 7.6 (1.1) | 7.9 (1.1) | 7.7 (1.3) | 7.0 (0.6) | 7.4 (0.8) | 7.7 (1.1) | 7.7 (1.0) | 7.7 (1.1) | 7.6 (1.3) | |||
| Quit choice (n and %) | 2 (16.7%) | 2 (16.7%) | 0 (0.0%) | 3 (25.0%) | 7 (58.3%) | 2 (16.7%) | 0 (0.0%) | 1 (8.3%) | 4 (33.3%) | 7 (58.3%) | |||||
| NonQuitters (n=10) | Returned Filters | 13.8 (7.1) | 13.2 (7.6) | 13.1 (8.1) | 11.7 (5.7) | 8.1 (5.1) | 6.3 (4.3) | 4.8 (3.6) | 4.9 (3.6) | ||||||
| Logged CPD | 11.2 (5.1) | 10.6 (6.7) | 11.3 (5.4) | 8.7 (3.3) | 8.7 (5.2) | 6.5 (4.0) | 4.5 (3.3) | 4.3 (3.1) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 3.7 (4.3) | 3.4 (3.2) | 3.7 (2.7) | 2.2 (2.4) | |||||||
| Cotinine | 681.7 (294.5) | 520.0 (343.1) | 539.9 (274.9) | 396.3 (283.5) | 561.9 (283.7) | 588.2 (318.2) | 602.4 (289.1) | 541.4 (280.8) | |||||||
| Expired air CO | 19.4 (12.2) | 18.8 (6.9) | 24.4 (8.4) | 18.6 (9.3) | 17.2 (5.9) | 18.6 (11.3) | 27.8 (9.8) | 21.2 (11.0) | 16.2 (12.3) | 22.8 (14.1) | 24.8 (23.3) | 22.0 (20.6) | |||
| Readiness to Quit | 5.8 (0.8) | 5.8 (1.0) | 5.8 (0.4) | 5.6 (0.9) | 5.8 (0.4) | 5.8 (0.4) | 5.6 (1.1) | 6.0 (0.8) | 6.3 (1.0) | 6.6 (1.1) | 6.8 (1.3) | 7.6 (1.7) | |||
| Total n=34 | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | |
| Quitters (n=20) | Returned Filters | 10.3 (4.5) | 8.2 (3.8) | 5.3 (3.9) | 4.6 (3.6) | 6.3 (4.7) | 5.0 (4.5) | 4.7 (4.5) | 2.8 (3.7) | ||||||
| Logged CPD | 12.1 (6.3) | 8.7 (4.0) | 4.3 (3.2) | 3.8 (2.9) | 8.3 (6.5) | 7.2 (8.6) | 5.3 (6.1) | 3.7 (3.9) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 5.4 (5.1) | 5.1 (5.4) | 3.5 (3.0) | 3.7 (2.9) | |||||||
| Cotinine | 494.3 (330.3) | 583.1 (355.1) | 549.7 (292.0) | 537.1 (297.1) | 463.4 (311.4) | 537.7 (337.1) | 497.1 (328.0) | 498.4 (310.9) | |||||||
| Expired air CO | 21.6 (9.4) | 20.9 (6.9) | 23.8 (10.9) | 19.3 (13.9) | 22.8 (16.6) | 22.5 (14.3) | 14.5 (12.8) | 11.5 (11.5) | 11.2 (12.1) | 13.9 (12.7) | |||||
| Readiness to Quit | 6.2 (1.4) | 6.8 (1.1) | 7.4 (0.7) | 7.6 (1.0) | 7.9 (0.9) | 7.1 (0.7) | 7.3 (0.8) | 7.6 (0.9) | 7.6 (0.8) | 7.6 (0.9) | |||||
| Quit choice (n and %) | 4 (25.0%) | 2 (12.5%) | 0 (0.0%) | 3 (18.8%) | 9 (56.3%) | 2 (11.1%) | 0 (0.0%) | 3 (16.7%) | 6 (33.3%) | 11 (61.1%) | |||||
| NonQuitters (n=14) | Returned Filters | 11.8 (6.9) | 11.6 (6.9) | 11.1 (7.6) | 9.6 (6.0) | 8.0 (4.9) | 6.3 (3.9) | 4.8 (3.4) | 4.7 (3.5) | ||||||
| Logged CPD | 9.8 (5.1) | 9.3 (6.2) | 9.4 (5.6) | 7.5 (3.8) | 7.8 (4.9) | 6.2 (3.7) | 4.4 (3.3) | 3.9 (2.9) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 4.8 (5.2) | 5.2 (4.2) | 4.9 (3.8) | 3.7 (3.7) | |||||||
| Cotinine | 654.1 (298.9) | 506.8 (349.2) | 578.9 (275.6) | 396.3 (281.5) | 616.9 (302.7) | 597.1 (319.9) | 617.9 (304.3) | 546.9 (288.5) | |||||||
| Expired air CO | 25.7 (14.8) | 20.4 (7.3) | 28.1 (12.6) | 19.1 (9.8) | 15.7 (7.2) | 28.9 (8.6) | 22.6 (10.4) | 22.3 (14.8) | 22.6 (11.9) | 25.1 (19.1) | |||||
| Readiness to Quit | 5.9 (0.7) | 5.7 (0.8) | 5.4 (0.8) | 5.7 (1.4) | 5.6 (0.5) | 6.1 (1.3) | 6.2 (0.8) | 6.0 (0.9) | 6.4 (1.0) | 6.9 (1.1) | |||||
| n=24 | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | |
| Quitters (n=14) | |||||||||||||||
| Returned Filters | 10.9 (4.5) | 9.1 (3.5) | 5.1 (4.1) | 4.3 (3.8) | 4.6 (3.3) | 3.4 (3.1) | 3.6 (3.8) | 1.6 (2.0) | |||||||
| Logged CPD | 11.4 (5.3) | 8.9 (4.0) | 4.0 (3.4) | 3.3 (3.1) | 8.0 (7.5) | 6.5 (8.5) | 5.9 (7.4) | 3.5 (3.5) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 7.5 (5.1) | 6.1 (2.6) | 4.8 (3.1) | 5.1 (2.3) | |||||||
| Cotinine | 541.5 (308.2) | 591.3 (345.8) | 529.1 (284.2) | 537.1 (297.1) | 463.4 (311.5) | 537.7 (337.1) | 497.1 (328.0) | 498.4 (310.9) | |||||||
| Expired air CO | 21.0 (10.1) | 19.3 (6.3) | 21.6 (10.6) | 19.1 (16.0) | 20.9 (17.2) | 18.0 (15.4) | 18.9 (14.4) | 11.0 (13.5) | 7.1 (10.7) | 6.4 (9.0) | 9.1 (12.3) | 8.6 (8.2) | |||
| Readiness to Quit | 6.1 (1.3) | 6.9 (0.9) | 7.3 (0.8) | 7.6 (1.1) | 7.9 (1.1) | 7.7 (1.3) | 7.0 (0.6) | 7.4 (0.8) | 7.7 (1.1) | 7.7 (1.0) | 7.7 (1.1) | 7.6 (1.3) | |||
| Quit choice (n and %) | 2 (16.7%) | 2 (16.7%) | 0 (0.0%) | 3 (25.0%) | 7 (58.3%) | 2 (16.7%) | 0 (0.0%) | 1 (8.3%) | 4 (33.3%) | 7 (58.3%) | |||||
| NonQuitters (n=10) | |||||||||||||||
| Returned Filters | 13.8 (7.1) | 13.2 (7.6) | 13.1 (8.1) | 11.7 (5.7) | 8.1 (5.1) | 6.3 (4.3) | 4.8 (3.6) | 4.9 (3.6) | |||||||
| Logged CPD | 11.2 (5.1) | 10.6 (6.7) | 11.3 (5.4) | 8.7 (3.3) | 8.7 (5.2) | 6.5 (4.0) | 4.5 (3.3) | 4.3 (3.1) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 3.7 (4.3) | 3.4 (3.2) | 3.7 (2.7) | 2.2 (2.4) | |||||||
| Cotinine | 681.7 (294.5) | 520.0 (343.1) | 539.9 (274.9) | 396.3 (283.5) | 561.9 (283.7) | 588.2 (318.2) | 602.4 (289.1) | 541.4 (280.8) | |||||||
| Expired air CO | 19.4 (12.2) | 18.8 (6.9) | 24.4 (8.4) | 18.6 (9.3) | 17.2 (5.9) | 18.6 (11.3) | 27.8 (9.8) | 21.2 (11.0) | 16.2 (12.3) | 22.8 (14.1) | 24.8 (23.3) | 22.0 (20.6) | |||
| Readiness to Quit | 5.8 (0.8) | 5.8 (1.0) | 5.8 (0.4) | 5.6 (0.9) | 5.8 (0.4) | 5.8 (0.4) | 5.6 (1.1) | 6.0 (0.8) | 6.3 (1.0) | 6.6 (1.1) | 6.8 (1.3) | 7.6 (1.7) | |||
| n=34 | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | BL | Week 1 | Week 2 | Week 3 | Week 4 | F-U | Total | |
| Quitters (n=20) | |||||||||||||||
| Returned Filters | 10.3 (4.5) | 8.2 (3.8) | 5.3 (3.9) | 4.6 (3.6) | 6.3 (4.7) | 5.0 (4.5) | 4.7 (4.5) | 2.8 (3.7) | |||||||
| Logged CPD | 12.1 (6.3) | 8.7 (4.0) | 4.3 (3.2) | 3.8 (2.9) | 8.3 (6.5) | 7.2 (8.6) | 5.3 (6.1) | 3.7 (3.9) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 5.4 (5.1) | 5.1 (5.4) | 3.5 (3.0) | 3.7 (2.9) | |||||||
| Cotinine | 494.3 (330.3) | 583.1 (355.1) | 549.7 (292.0) | 537.1 (297.1) | 463.4 (311.4) | 537.7 (337.1) | 497.1 (328.0) | 498.4 (310.9) | |||||||
| Expired air CO | 21.6 (9.4) | 20.9 (6.9) | 23.8 (10.9) | 19.3 (13.9) | 22.8 (16.6) | 22.5 (14.3) | 14.5 (12.8) | 11.5 (11.5) | 11.2 (12.1) | 13.9 (12.7) | |||||
| Readiness to Quit | 6.2 (1.4) | 6.8 (1.1) | 7.4 (0.7) | 7.6 (1.0) | 7.9 (0.9) | 7.1 (0.7) | 7.3 (0.8) | 7.6 (0.9) | 7.6 (0.8) | 7.6 (0.9) | |||||
| Quit choice (n and %) | 4 (25.0%) | 2 (12.5%) | 0 (0.0%) | 3 (18.8%) | 9 (56.3%) | 2 (11.1%) | 0 (0.0%) | 3 (16.7%) | 6 (33.3%) | 11 (61.1%) | |||||
| NonQuitters (n=14) | |||||||||||||||
| Returned Filters | 11.8 (6.9) | 11.6 (6.9) | 11.1 (7.6) | 9.6 (6.0) | 8.0 (4.9) | 6.3 (3.9) | 4.8 (3.4) | 4.7 (3.5) | |||||||
| Logged CPD | 9.8 (5.1) | 9.3 (6.2) | 9.4 (5.6) | 7.5 (3.8) | 7.8 (4.9) | 6.2 (3.7) | 4.4 (3.3) | 3.9 (2.9) | |||||||
| Logged ECIG | n/a | n/a | n/a | n/a | 4.8 (5.2) | 5.2 (4.2) | 4.9 (3.8) | 3.7 (3.7) | |||||||
| Cotinine | 654.1 (298.9) | 506.8 (349.2) | 578.9 (275.6) | 396.3 (281.5) | 616.9 (302.7) | 597.1 (319.9) | 617.9 (304.3) | 546.9 (288.5) | |||||||
| Expired air CO | 25.7 (14.8) | 20.4 (7.3) | 28.1 (12.6) | 19.1 (9.8) | 15.7 (7.2) | 28.9 (8.6) | 22.6 (10.4) | 22.3 (14.8) | 22.6 (11.9) | 25.1 (19.1) | |||||
| Readiness to Quit | 5.9 (0.7) | 5.7 (0.8) | 5.4 (0.8) | 5.7 (1.4) | 5.6 (0.5) | 6.1 (1.3) | 6.2 (0.8) | 6.0 (0.9) | 6.4 (1.0) | 6.9 (1.1) | |||||
Note. Of those participants randomized to study condition, n=34 completed the 4-week intervention while n=24 completed the 4-week intervention and the one-month follow-up visit. Within each condition, participants were those who did ("Quitters") or did not (“NonQuitters”) make a formal choice to quit tobacco and enter the cessation program during the 4-week intervention.