TABLE 2.
Sleep quality, sleep duration and sleep medication use, and EUROHIS‐QOL and Work Ability Score means in the study population in 2014 and 2015, and the change between the years
| Year 2014 | Year 2015 | Change between 2014 and 2015 | |
|---|---|---|---|
| N (%) or mean (95% CI) | N (%) or mean (95% CI) | N (%) or mean (95% CI) | |
| Sleep quality | |||
| Very good | 71 (11.2) | 95 (15.0) | |
| Good | 385 (60.9) | 397 (62.5) | |
| Poor | 161 (25.5) | 130 (20.5) | |
| Very poor | 15 (2.4) | 13 (2.1) | |
| Sleep quality change | |||
| Worse | 87 (13.8) | ||
| No change | 404 (64.1) | ||
| Improved | 139 (22.1) | ||
| Sleep duration | |||
| <7 h/night | 168 (26.4) | 216 (33.9) | |
| 7–8 h/night | 445 (69.9) | 387 (60.8) | |
| >8 h/night | 24 (3.8) | 34 (5.3) | |
| Sleep duration change | |||
| Decreased | 196 (30.8) | ||
| No change | 248 (38.9) | ||
| Increased | 193 (30.3) | ||
| Sleep medication use | |||
| No | 539 (85.2) | 547 (86.3) | |
| <1 night/week | 43 (6.8) | 44 (6.9) | |
| 1–2 nights/week | 23 (3.6) | 14 (2.2) | |
| ≥3 nights/week | 28 (4.4) | 29 (4.6) | |
| Sleep medication use change | |||
| Increased | 40 (6.4) | ||
| No change | 543 (86.2) | ||
| Decreased | 47 (7.5) | ||
| EUROHIS‐QOL, mean | 3.94 (3.90–3.98) | 4.08 (4.04–4.12) | 0.14 (0.11–0.17) |
| WAS, mean | 8.16 (8.06–8.26) | 8.36 (8.26–8.46) | 0.20 (0.11–0.29) |
CI, confidence interval; EUROHIS‐QOL, EUROHIS‐QOL eight‐item index; WAS, Work Ability Score.