Table 4.
Health- and Tobacco-Related Characteristics of Participants in the OaSiS Trial Undergoing LCS
| Variable | Overall (N = 1,094) | Control (n = 571) | Intervention (n = 523) | Adjusted P Valuea |
|---|---|---|---|---|
| Kessler score | 4.4 ± 4.7 | 4.6 ± 4.6 | 4.2 ± 4.7 | 0.28 |
| Perceived health | 0.97 | |||
| Poor or fair | 391 (36) | 199 (35.2) | 192 (36.8) | |
| Good | 485 (44.6) | 265 (46.8) | 220 (42.2) | |
| Very good or excellent | 212 (19.5) | 102 (18.0) | 110 (21.1) | |
| Self-reported cancer history | 81 (7.5) | 40 (7.1) | 41 (7.9) | 0.68 |
| Self-reported family cancer history | 301 (28.0) | 165 (29.2) | 136 (26.6) | 0.40 |
| Lung cancer worry | 0.93 | |||
| Not at all or a little | 438 (40.7) | 225 (40.1) | 213 (41.4) | |
| Somewhat or extremely | 637 (59.3) | 336 (59.9) | 301 (58.6) | |
| Perceived impact of cessation on lung cancer risk | 0.48 | |||
| Not at all or a little | 227 (20.8) | 120 (21.2) | 106 (20.4) | |
| Somewhat or very much | 777 (71.0) | 409 (72.1) | 364 (70.0) | |
| Unknown | 90 (8.2) | 38 (6.7) | 50 (9.6) | |
| Smoke cigarette within 30 min of waking | 775 (71.8) | 403 (71.3) | 372 (72.4) | 0.88 |
| No. of cigarettes/d | 17.2 ± 9.6 | 17.1 ± 8.9 | 17.3 ± 10.4 | 0.89 |
| Pack-y of smoking | 46.1 ± 25.0 | 46.5 ± 24.3 | 45.7 ± 25.7 | 0.63 |
| Another using tobacco in the household | 324 (29.8) | 158 (27.9) | 166 (31.9) | 0.29 |
| Use of other tobacco products in last 30 d | 145 (13.3) | 78 (13.8) | 67 (12.8) | 0.77 |
| Last quit attempt | 0.47 | |||
| Never | 171 (15.6) | 92 16.2) | 78 (15.0) | |
| Within the past year | 274 (25.1) | 164 (28.9) | 109 (21.0) | |
| > 1 y | 579 (52.9) | 280 (49.4) | 296 (56.9) | |
| Unknown | 70 (6.4) | 31 (5.5) | 37 (7.1) | |
| Cessation readiness | 5.9 ± 2.1 | 6 ± 2.0 | 5.8 ± 2.2 | 0.53 |
| Quitting self-efficacy | 5.7 ± 2.6 | 5.8 ± 2.7 | 5.5 ± 2.6 | 0.40 |
Data are presented as No. (%) or mean ± SD, unless otherwise indicated. LCS = lung cancer screening; OaSiS = Optimizing Lung Screening Trial.
Adjusted for correlation within site.