Table 4.
Descriptive statistics (median scores and interquartile ranges) for the 8 Brief Illness Perception Questionnaire (the Brief IPQ) items in 3 groups of patients according to their smoking habits (smoking, not smoking, quit smoking), with test of difference between groups of patients
| Brief IPQ items | Smoking (n = 89) | Not smoking (n = 110) | Quit smoking (n = 48) | P* |
|---|---|---|---|---|
| Consequences |
6 (4-7) |
5 (3-7) |
5 (4-7) |
0.431 |
| Timeline |
10 (8-10) |
10 (8-10) |
10 (8-10) |
0.607 |
| Personal control |
7 (5-8) |
7 (5-8) |
8 (5-10) |
0.250 |
| Treatment control |
7 (6-9) |
8 (7-9) |
8 (6-10) |
0.170 |
| Identity |
4 (2-5) |
3 (1-5) |
4 (2-6) |
0.697 |
| Concern |
6 (4-7) |
6 (4-8) |
5 (3-7) |
0.398 |
| Emotional response |
5 (3-7) |
5 (1-7) |
5 (1-8) |
0.477 |
| Understanding | 7 (4-8) | 7 (5-8) | 8 (5-10) | 0.039 |
*Kruskal-Wallis test.