Comparison of Mean Difference Nicotine Dependency Scores, Common Admission Test (CAT) Scores, and Cigarette Use/Day before and after the Most Recent Chronic Obstructive Pulmonary Disease (COPD) Clinic Visit
| Mean (SD) | t (df) | P-Value | ||
|---|---|---|---|---|
| Before | After | |||
| Nicotine dependency scores | 4.7 (2.1) | 4.2 (2.1) | 1.0 (22) | 0.32 |
| CAT scores | 23.7 (7.5) | 20.5 (8.1) | 3.3 (55) | 0.002‡ |
| Cigarette use/day | 17.3 (11.2) | 13.8 (11.0) | 2.3 (50) | 0.03† |
↵*P-value from paired sample t-test, †P < .05, ‡P < .01.
SD, standard deviation; df, degrees of freedom.