Table 1 Demographic and Clinical Characteristics of the Study Sample (N = 107)
Variable | n | ~% | |
|---|---|---|---|
Sex | Female | 23 | 21.5 |
Male | 84 | 78.5 | |
Smoking | Smoker | 42 | 39.0 |
Non-smoker | 65 | 61.0 | |
Education | Did not complete high school | 48 | 45.0 |
High school diploma | 30 | 28.0 | |
Vocational or some college | 13 | 12.0 | |
College | 16 | 15.0 | |
Functional status | Class I | 8 | 7.5 |
Class II | 44 | 41.0 | |
Class III | 39 | 36.5 | |
Class IV | 16 | 15.0 | |