Table 3.
Association of cases (n=100) and controls (n=100) with respect to sleeping behaviour as per Epworth Sleepiness Scale
| Variables | Study group | Sleep levels | |||
|---|---|---|---|---|---|
| Would never doze | Slight chance of dozing | Moderate chance of dozing | High chance of dozing | ||
| Sitting and reading* | Cases | 12.0 | 38.0 | 38.0 | 12.0 |
| Controls | 30.0 | 43.0 | 24.0 | 3.0 | |
| Watching television* | Cases | 28.0 | 24.0 | 29.0 | 19.0 |
| Controls | 46.0 | 24.0 | 28.0 | 2.0 | |
| Sitting inactive in public place* | Cases | 36.0 | 19.0 | 22.0 | 23.0 |
| Controls | 61.0 | 30.0 | 5.0 | 4.0 | |
| As a passenger in a car for an hour without a break* | Cases | 26.0 | 15.0 | 22.0 | 37.0 |
| Controls | 34.0 | 32.0 | 25.0 | 9.0 | |
| Lying down to rest in the afternoon* | Cases | 14.0 | 23.0 | 30.0 | 33.0 |
| Controls | 25.0 | 38.0 | 24.0 | 13.0 | |
| Sitting and talking to someone* | Cases | 20.0 | 16.0 | 23.0 | 41.0 |
| Controls | 57.0 | 25.0 | 15.0 | 3.0 | |
| Sitting quietly after lunch* | Cases | 19.0 | 23.0 | 22.0 | 36.0 |
| Controls | 47.0 | 28.0 | 18.0 | 7.0 | |
| In a car, while stopped in traffic* | Cases | 25.0 | 12.0 | 22.0 | 41.0 |
| Controls | 41.0 | 25.0 | 27.0 | 7.0 | |
All values are in percentages; *P<0.001 (Chi-square test)