Table 1.
Baseline patient characteristics stratified by sleep durations.
| Variable* | Duration of sleep | P-value | |||
|---|---|---|---|---|---|
|
>7 h (n = 759, %) |
6–7 h (n = 390, %) |
5–6 h (n = 212, %) |
<5 h (n = 85, %) |
||
| Male gender | 568 (74.8) | 275 (70.5) | 155 (73.1) | 58 (68.2) | 0.32 |
| Age, year | 59.6 ± 11.1 | 59.4 ± 10.8 | 61.9 ± 11.3 | 61.0 ± 9.7 | 0.02 |
| Body mass index, kg/m2 | 24.9 ± 3.1 | 25.2 ± 3.2 | 25.1 ± 3.2 | 25.3 ± 3.1 | 0.72 |
| Married | 719 (94.7) | 367 (94.1) | 206 (97.2) | 80 (94.1) | 0.40 |
| Education ≥ high school | 222 (29.3) | 144 (36.9) | 73 (34.4) | 34 (40.0) | 0.02 |
| Employment status | 0.13 | ||||
| Employed | 472 (62.2) | 237 (60.8) | 117 (55.2) | 49 (57.7) | |
| Retired | 180 (23.7) | 88 (22.6) | 64 (30.2) | 26 (30.6) | |
| Unemployed | 63 (8.3) | 43 (11.0) | 25 (11.8) | 5 (5.9) | |
| Unknown | 44 (5.8) | 22 (5.6) | 6 (2.8) | 5 (5.9) | |
| High monthly income | 260 (34.3) | 148 (38.0) | 78 (36.8) | 31 (36.5) | 0.64 |
| Current smoker | 297 (39.1) | 137 (35.1) | 81 (38.2) | 30 (35.3) | 0.57 |
| Current drinker | 154 (20.3) | 76 (19.5) | 52 (24.5) | 16 (18.8) | 0.47 |
| Physical activity | 523 (68.9) | 256 (65.6) | 145 (68.4) | 59 (69.4) | 0.71 |
| Hypertension | 427 (56.3) | 226 (58.0) | 127 (59.9) | 62 (72.9) | 0.02 |
| Hyperlipidemia | 57 (7.5) | 30 (7.7) | 20 (9.4) | 10 (11.8) | 0.47 |
| Diabetes | 143 (18.8) | 92 (23.6) | 51 (24.1) | 21 (24.7) | 0.13 |
| Heart disease | 81 (10.7) | 45 (11.5) | 30 (14.2) | 16 (18.8) | 0.10 |
| Migraine | 7 (0.9) | 11 (2.8) | 3 (1.4) | 5 (5.9) | <0.01 |
| Family history of stroke | 125 (16.5) | 77 (19.7) | 26 (12.3) | 26 (30.6) | <0.01 |
| mRS at baseline | 1.7 ± 1.2 | 1.9 ± 1.3 | 1.7 ± 1.3 | 1.6 ± 1.2 | 0.08 |
| NIHSS at baseline | 3.4 ± 3.0 | 3.5 ± 2.9 | 3.6 ± 3.6 | 3.3 ± 2.9 | 0.82 |
| Motor disorders | 443 (58.4) | 219 (56.2) | 99 (46.7) | 43 (50.6) | 0.01 |
| Sensory disorders | 189 (24.9) | 100 (25.6) | 52 (24.5) | 29 (34.1) | 0.31 |
| Language disorders | 331 (43.6) | 170 (43.6) | 100 (47.2) | 38 (44.7) | 0.81 |
| Ward types/specialties | <0.01 | ||||
| Stroke unit | 114 (15.0) | 62 (15.9) | 53 (25.0) | 19 (22.4) | |
| ICU | 11 (1.5) | 6 (1.5) | 7 (3.3) | 1 (1.2) | |
| Other | 634 (83.5) | 322 (82.6) | 152 (71.7) | 65 (76.5) | |
| Depression at baseline | 2.3 ± 3.2 | 2.3 ± 3.3 | 3.4 ± 4.0 | 6.3 ± 5.2 | <0.01 |
| Anxiety at baseline | 1.8 ± 3.0 | 1.8 ± 2.9 | 2.5 ± 3.9 | 4.0 ± 5.4 | <0.01 |
*
All values are expressed as number (percentage) except age, body mass index, mRS, NIHSS at baseline, depression, and anxiety at baseline.
mRS, Modified Ranking Scale; NIHSS, National Institutes of Health Stroke Scale; ICU, Intensive Care Unit; Other, wards/specialties exclusive of the stroke unit and ICU.