Clinician Performance in Tobacco-Dependence Treatment Delivery at Postassessment by Intervention Group
| Parameter | OMSC (n = 394) | OMSC+ (n = 473) | % Delta | AOR (95% CI)a | P Value | ICC Clinician | ICC Clinic |
|---|---|---|---|---|---|---|---|
| 4 As delivery | |||||||
| Ask | 55.9 | 65.7 | 9.8 | 1.69 (1.05-2.72) | .03 | 0.126b | 0.025 |
| Advise | 48.1 | 53.5 | 5.4 | 1.42 (0.82-2.46) | .22 | 0.129 | 0.045 |
| Assist | 42.8 | 53.9 | 11.1 | 1.64 (1.08-2.49) | .02 | 0.089c | 0.027 |
| Set quit date | 18.9 | 25.7 | 6.8 | 1.70 (1.09-2.65) | .02 | 0.037 | 0.035 |
| Self-help | 11.1 | 19.4 | 8.3 | 2.01 (1.15-3.52) | .02 | 0.072 | 0.043 |
| Discuss medications | 26.9 | 37.1 | 10.2 | 1.75 (1.15-2.65) | .01 | 0.069 | 0.026 |
| Prescribe medications | 8.8 | 12.2 | 3.4 | 1.44 (0.85-2.42) | .18 | 0.002 | 0.026 |
| Arrange | 24.7 | 35.6 | 10.9 | 2.01 (1.22-3.31) | .01 | 0.036 | 0.050 |
| Patient-level outcome | |||||||
| Quit attemptsd | 30.0 | 35.0 | 5.0 | 1.36 (1.00-1.84) | .05 | … | … |
| 7-day point prevalence abstinence (self-reported)d | 9.1 | 6.5 | −2.6 | 0.73 (0.43-1.26) | .26 | … | … |
| 7-day point prevalence abstinence (biochemically validated)d | 2.8 | 2.5 | −0.3 | 1.05 (0.42-2.64) | .92 | … | … |
| Continuous abstinence | 6.6 | 4.8 | −2.2 | 0.82 (0.40-1.67) | .58 | 0.038 | 0.030 |
AOR = adjusted odds ratio; ICC = intraclass correlation coefficient; OMSC = Ottawa Model for Smoking Cessation.
↵a Controlling for clinic-level variance between clusters, patient sex, patient education, and self-reported anxiety or depression; based on inclusion of 15 clinics unless otherwise indicated.
↵b P < .01.
↵c P = .05.
↵d For ICC Clinician and ICC Clinic, the estimated G matrix was not a definite positive; therefore, we could not calculate clinician or clinic ICC.