Table 4.
Relation between sleeping pattern and types of smoking
| Nonsmokers (n = 282) | Cigarettes only (n = 69) | Shisha only (n = 52) | Shisha and cigarettes (n = 122) | p valuea | |
|---|---|---|---|---|---|
| Hours of sleep | 0.24 | ||||
| <3 | 2 (0.7) | 0 (0.0) | 1 (2.0) | 1 (0.8) | |
| 3 – 6 | 80 (29.1) | 16 (23.2) | 12 (23.5) | 25 (20.7) | |
| 6 – 8 | 159 (57.8) | 33 (47.8) | 29 (56.9) | 69 (57.0) | |
| >8 | 34 (12.4) | 20 (29.0) | 9 (17.6) | 26 (21.5) | |
| Sleep disturbances | 59 (21.5) | 15 (21.7) | 16 (31.4) | 44 (36.4) | 0.29 |
| Breathing problems during sleep | 20 (7.2) | 13 (18.8) | 7 (14.0) | 22 (18.2) | 0.62 |
Values are expressed as n (%) of subjects.
a
The χ2 test, cigarette smokers versus shisha smokers.