TABLE 1.
Demographic data and self‐reported questionnaires
| RLS (N = 25) | HC (N = 28) | P‐values | |
|---|---|---|---|
| Age, years (± SD) a | 62.04 (± 16.70) | 54.50 (± 14.47) | 0.087 |
| Women, no. (%) b | 15 (60) | 16 (57) | 1 |
| Years of education, median (IQR) a | 11 (8–13) | 13 (9.5–13.75) | 0.37 |
| BMI, median (IQR) a | 25.15 (23.39–26.78) | 24.18 (22.37–26.40) | 0.29 |
| Smokers, no. (%) b | 5 (20) | 5 (18) | 1 |
| Heart rate, median (IQR) a , c | 70.5 (60.5–74.25) | 70 (60–82) | 0.70 |
| Mean symptoms’ duration, years (± SD) | 7.14 (± 8.19) | – | |
| IRLSSS (0–40), mean (± SD) d | 22.67 (± 5.59) | – | |
| BDI‐II (0–63), median (IQR) a , e | 5 (3–8) | 4 (1–9.75) | 0.37 |
| BAI (0–63), median (IQR) a , d | 10 (5–13.25) | 7.5 (6–12.75) | 1 |
| TAS‐20 (20–100), median (IQR) a , e | 43.5 (34.75–53.25) | 36.5 (35–40) | 0.055 |
| MAIA (0–160), median (IQR) a , e | 80.5 (71.75–96) | 94.5 (84.25–103) | 0.012* |
| NEQ (0–52), median (IQR) a , f | 9 (5.25–12.75) | 3 (1.75–5) | <0.001* |
Abbreviations: RLS, restless legs syndrome; HC, healthy controls; no., number; SD, standard deviation; IQR, interquartile range; BMI, body mass index; IRLSSS, International RLS Severity Scale; BDI‐II, Beck Depression Inventory; BAI, Beck Anxiety Inventory; TAS‐20, Toronto Alexithymia Scale; MAIA, Multidimensional Assessment of Interoceptive Awareness; NEQ, Night Eating Questionnaire.
*
P < 0.05.
a
Two sample independent t‐test, or Wilcoxon Mann–Whitney test.
b
χ2 test, or Fisher's exact test.
c
Four missing information.
d
One missing information.
e
Three missing information.
f
Seven missing information.