| Gender–Male |
74% |
172 |
|
| Age |
51 years (sd 10.1) |
231 |
|
| Working as bus drivers |
13.5 years (sd 11.3) |
230 |
|
|
Marital status: Married/Cohabitation |
73% |
164 |
|
| Single |
23% |
52 |
|
| Single, but in a relationship |
4% |
10 |
|
| BMI |
27.7 (sd 4.5) |
231 |
|
| Exercise (No) |
38% |
87 |
|
| Enough sleep (No) |
22% |
231 |
|
| General health status (Poor) |
10% |
22 |
|
| Snoring |
16% |
37 |
|
| Sleep need (hours) |
7.49 (sd 1.02) |
225 |
|
| Stress (1 min–10 max) |
4.3 (sd 2.59) |
223 |
|
|
KSQ (1 good–6 poor): Disturbed sleep |
2.86 (sd 1.13) |
220 |
|
| Sleepiness |
2.49 (sd 1.09) |
216 |
|
| Fatigue |
2.72 (sd 1.29) |
223 |
|
| Impaired waking |
2.67 (sd 1.16) |
217 |
|
| Sleep Apnea |
1.95 (sd 1.10) |
161 |
|
|
Working schedules Fixed: |
38% |
87 |
|
| Time search: |
45% |
104 |
|
| Daily decided: |
17% |
39 |
|
|
| Working hours at least once each month |
Percentage or mean |
n |
Consider as a problem4
|
|
| Morning |
78% |
179 |
19% |
| Day |
70% |
158 |
18% |
| Evening |
51% |
116 |
22% |
| Night |
22% |
50 |
48% |
| Mixed |
30% |
67 |
54% |
| Split shift (>1.5 h between) |
64% |
145 |
36% |
| Variation of starting time |
55% |
123 |
62% |
| Less than 11 hours rest between shift |
33% |
75 |
56% |
| 10 hours a day or more |
59% |
133 |
68% |
| 6 days or more of continuously work |
11% |
25 |
32% |
| 10 h or more of overtime each week |
12% |
28 |
25% |
| Short notice |
38% |
83 |
49% |
