Item | Symptom score | No. of respondents |
---|---|---|
Reading | 2.45 ± 1.22 | 329 |
Daytime driving | 2.20 ± 1.24 | 174 |
Nighttime driving | 2.30 ± 1.29 | 165 |
Working at a computer | 2.49 ± 1.18 | 200 |
Watching TV | 2.25 ± 1.19 | 342 |
Work-related activities | 2.2 7 ± 1.26 | 215 |
Household activities | 2.04 ± 1.23 | 322 |
Outdoor activities | 2.80 ± 1.14 | 342 |
Interpersonal relations | 2.40 ± 1.24 | 342 |
General happiness | 1.91 ± 1.32 | 317 |