Table 2.
| Demographic, clinical, and engagement characteristics
| Characteristics | Learn to Quit (n = 33) | QuitGuide (n = 29) | ||
|---|---|---|---|---|
| Categorical variables | n | % | n | % |
| Gender, n (%) Female Male |
21 12 |
64% 36% |
16 13 |
55% 45% |
| Race, n (%) White Black of African American Asian American Indian or Alaskan Native Multiracial |
16 14 1 0 2 |
49% 42% 3% 0% 6% |
16 11 0 1 1 |
55% 38% 0% 3.5% 3.5% |
| Ethnicity, n (%)a Hispanic or Latinx Not Hispanic or Latinx |
0 33 |
0% 100% |
0 28 |
0% 100% |
| Primary diagnosis, n (%) Schizophrenia spectrum disorder Bipolar disorder Major depressive disorder |
10 15 8 |
30% 45% 24% |
5 15 9 |
17% 52% 31% |
| Education level Some or completed high school Some college Associate’s degree Bachelor’s degree or higher |
11 9 4 9 |
33% 27% 12% 27% |
10 8 5 6 |
35% 27% 17% 21% |
| Continuous variables | M | SD | M | SD |
| Age (years) | 46.1 | 11.3 | 45.6 | 10.9 |
| Smoking information Baseline cigarettes/day Baseline years smoking cigarettes Change (reductions) in cigarettes/day from Baseline to 16-week endpoint |
21 25.6 12.3 |
15.5 12.9 11.5 |
14 26.8 5.9 |
6.4 11.3 5.9 |
| Engagement metrics Number of interactions Number of days used Minutes/day of app useb Average duration of interactions (minutes) |
335.5 34.1 228.07 1.6 |
303.9 27.7 247.68 0.8 |
212.7 32.0 129.38 2.3 |
170.5 24.5 102.99 1.1 |
aOne participant in QuitGuide did not report ethnicity so percentage is calculated out of n = 28.
bData missing from 11 participants.