Table 4.
Participant characteristics at screening/baseline by condition.
| Participant characteristica | QuitOnline (n=638) | MobileQuit (n=633) | Total (n=1271) | |
| Age (years), mean (SD) | 45.6 (12.3) | 44.2 (12.9) | 44.9 (12.7) | |
| Female, n (%) | 500 (78.5) | 491 (77.6) | 991 (78.0) | |
| Married or have a long-term partner, n (%) | 432 (67.7) | 435 (68.7) | 867 (68.3) | |
| Race/ethnicity, n (%) | ||||
|
|
White, non-Hispanic | 485 (76.3) | 485 (76.9) | 970 (76.6) |
|
|
Other | 151 (23.7) | 146 (23.1) | 297 (23.4) |
| Education, n (%) | ||||
|
|
Not high school graduate | 186 (29.2) | 168 (26.5) | 354 (27.9) |
|
|
High school graduate/some college | 320 (50.2) | 337 (53.2) | 657 (51.7) |
|
|
Associate or bachelor’s degree | 126 (19.7) | 125 (19.7) | 251 (19.7) |
|
|
Master’s or doctorate degree | 6 (0.9) | 3 (0.5) | 9 (0.7) |
| Regularly smoked for 4 or more years, n (%) | 609 (95.5) | 591 (93.4) | 1200 (94.4) | |
| Cigarettes/day (previous 6 months), mean (SD) | 17.9 (9.9) | 17.1 (7.9) | 17.5 (8.4) | |
| Quit attempt in last 12 months, n (%) | 480 (75.2) | 483 (76.3) | 963 (75.8) | |
| Currently use other nicotine products, n (%) | ||||
|
|
Electronic cigarettes | 140 (21.9) | 128 (20.2) | 268 (21.1) |
|
|
Cigar | 40 (6.3) | 45 (7.1) | 85 (6.7) |
|
|
Pipe | 4 (0.6) | 9 (1.4) | 13 (1.0) |
|
|
Chew/snuff | 11 (1.7) | 14 (2.2) | 25 (2.0) |
|
|
None | 311 (48.7) | 305 (48.2) | 616 (48.5) |
| Use quit aids, n (%) | ||||
|
|
Nicotine replacement | 100 (15.7) | 99 (15.6) | 199 (15.7) |
|
|
Prescription medication | 41 (6.4) | 47 (7.4) | 88 (6.9) |
|
|
Formal treatment | 19 (3.0) | 9 (1.4) | 28 (2.2) |
|
|
No use | 484 (75.9) | 493 (77.9) | 977 (76.9) |
| Nicotine dependence (Fagerstrom Test for Nicotine Dependence-6), mean (SD) | 5.4 (2.2) | 5.5 (2.2) | 5.5 (2.2) | |
| Self-efficacy/confidence, mean (SD) | 2.5 (1.2) | 2.6 (1.1) | 2.6 (1.2) | |
| Readiness to quit, mean (SD) | 8.8 (1.6) | 8.9 (1.6) | 8.9 (1.6) | |
| Depression status (Patient Health Questionnaire-8), mean (SD) | 9.1 (6.3) | 9.2 (6.0) | 9.2 (6.1) | |
| Heavy alcohol use, n (%)b | 58 (9.1) | 65 (10.3) | 123 (9.7) | |
| Cannabis use in last 7 days, n (%) | 98 (15.4) | 96 (15.2) | 194 (15.3) | |
| Spouse/partner currently smokes, n (%)c | 189 (30.3) | 177 (28.1) | 366 (28.8) | |
| Household member currently smokes, n (%) | 235 (37.4) | 195 (31.1) | 430 (34.2) | |
| Number of 5 best friends who smoke, mean (SD) | 1.9 (1.6) | 1.9 (1.6) | 1.9 (1.6) | |
aParticipants could refuse to answer any question.
bDefined as greater than or equal to 13 drinks/week for men and greater than or equal to 7 drinks/week for women.
cDenominator is full sample, participants without a spouse or with spouses who do not smoke=0 and participants with a spouse who smokes=1.