Table 1 Sample characteristics
From: Daytime napping associated with increased symptom severity in fibromyalgia syndrome
Median | Interquartile range | |
|---|---|---|
Duration since symptom onset in years | 7.0 | 10.0 |
Years since diagnosis | 3.0 | 6.0 |
McGill Pain questionnaire (range 0–45) | 30.0 | 11.0 |
Frequency | Percentage | |
Marital status | ||
Married or living with partner | 733 | 70.2 |
Separated/divorced/widowed | 192 | 18.4 |
Single | 119 | 11.4 |
Taking medication for FMS | 885 | 84.8 |
Diagnosed co-morbid condition/s | 844 | 80.8 |
In current employment | 386 | 37.0 |
Napping behaviour | ||
Regularly nap once a day or more | 408 | 39.1 |
Occasionally or never nap | 636 | 60.9 |
Mean | Standard deviation | |
Age | 46.9 | 10.4 |
MOS Sleep problems index I (range 0–100) | 65.2 | 17.0 |
MOS Sleep problems index II (range 0–100) | 66.9 | 16.7 |
Fatigue severity score (range 9–63) | 55.3 | 9.9 |
HADS Anxiety subscale (range 0–21) | 12.2 | 4.4 |
HADS Depression subscale (range 0–21) | 10.4 | 4.1 |
EMQ-R Everyday memory | ||
Total memory score (range 0–52) | 32.74 | 13.5 |
Item score (Mean) (range 0–4) | 2.52 | 1.0 |