Table 3.
Multivariable Multinomial Logistic Regression Analysis Predicting Sequence Cluster Membership from the Baseline Characteristics
| Baseline characteristics | Disengagers, % (n/N) | Tryers, % (n/N) | Committers, % (n/N) | Tryers vs. Disengagers, OR (95% CI) | p | Committers vs. Disengagers, OR (95% CI) | p |
|---|---|---|---|---|---|---|---|
| Female | 76.2% (439/576) | 80.5% (302/375) | 83.4% (302/362) | 1.23 (0.86, 1.74) | .25 | 1.44 (0.98, 2.12) | .06 |
| Age, mean (SD) | 43.3 (13.5) | 46.5 (12.7) | 50.5 (12.7) | 1.01 (0.99, 1.03) | .10 | 1.04 (1.02, 1.05) | <.001 |
| Employed | 59.0% (340/576) | 49.3% (185/375) | 47.2% (171/362) | 0.83 (0.61, 1.13) | .24 | 0.93 (0.68, 1.29) | .67 |
| Screened positive for depression | 58.0% (334/576) | 56.8% (213/375) | 50.6% (183/362) | 1.20 (0.82, 1.75) | .35 | 0.91 (0.61, 1.36) | .64 |
| Screened positive for anxiety | 36.3% (209/576) | 33.1% (124/375) | 28.2% (102/362) | 0.85 (0.59, 1.23) | .38 | 0.74 (0.50, 1.10) | .13 |
| Screened positive for panic disorder | 45.5% (262/576) | 44.0% (165/375) | 36.5% (132/362) | 1.01 (0.74, 1.37) | .97 | 0.89 (0.64, 1.24) | .49 |
| Screened positive for PTSD | 54.7% (315/576) | 52.0% (195/375) | 48.6% (176/362) | 0.88 (0.61, 1.28) | .51 | 1.13 (0.76, 1.67) | .55 |
| Self-reported bipolar disorder | 10.2% (59/576) | 6.4% (24/375) | 6.6% (24/362) | 0.65 (0.38, 1.11) | .11 | 0.85 (0.48, 1.50) | .58 |
| >10 years of smoking | 76.0% (438/576) | 79.7% (299/375) | 86.5% (313/362) | 0.83 (0.55, 1.25) | .38 | 0.93 (0.59, 1.46) | .74 |
| Any e-cigarette use in the past 30 days | 29.7% (171/576) | 40.8% (153/375) | 35.4% (128/362) | 1.70 (1.26, 2.29) | < .001 | 1.38 (1.01, 1.89) | .045 |
| Hazardous alcohol consumption | 12.8% (74/576) | 10.7% (40/375) | 7.2% (26/362) | 0.84 (0.54, 1.31) | .44 | 0.74 (0.45, 1.23) | .24 |
| Mobility, mean (SD) | 0.4 (0.8) | 0.5 (0.9) | 0.6 (0.9) | 1.05 (0.82, 1.34) | .70 | 0.93 (0.72, 1.20) | .58 |
| Self-care, mean (SD) | 0.1 (0.3) | 0.1 (0.4) | 0.1 (0.5) | 1.17 (0.74, 1.86) | .51 | 1.47 (0.94, 2.28) | .09 |
| Usual activities, mean (SD) | 0.5 (0.8) | 0.5 (0.8) | 0.7 (0.9) | 0.87 (0.67, 1.12) | .28 | 1.19 (0.92, 1.54) | .19 |
| Pain/discomfort, mean (SD) | 1.0 (1.0) | 1.1 (1.0) | 1.2 (1.0) | 0.99 (0.83, 1.20) | .99 | 0.99 (0.81, 1.20) | .90 |
| Self-rated health status, mean (SD) | 72.3 (17.8) | 68.4 (20.3) | 70.7 (18.9) | 0.99 (0.98, 0.99) | .007 | 0.99 (0.99, 1.01) | .99 |
Variables included in the multivariable analysis were those with significant independent associations in univariable analyses. Data on the baseline characteristics of interest were missing for 181 participants.