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Table 2 Comparison of demographic characteristics, ADHD, depression and/or anxiety disorder comorbidity, ASRS, WURS, BDI, and BAI scale scores between RLS groups

From: The relationship between disease symptoms and restless legs syndrome in adult attention-deficit hyperactivity disorder without iron deficiency

   Have not RLS
S = 82
(68.3%)
Have RLS
S = 38
(31.7%)
  
n (%) n (%) Test statistics p-value
Gender Female 39 (67.2%) 19 (32.8%) 0.062 0.804a
Male 43 (69.4%) 19 (30.6%)
Marital status Married 9 (81.8%) 2 (18.2%)   0.499b
Single 73 (67%) 36 (33%)
Education level High school and below 18 (58.1%) 13 (41.9%) 2.037 0.154a
University 64 (71.9%) 25 (28.1%)
ADHD ADHD-I 44 (83%) 9 (17%) 9.461 0.002a
ADHD-C 38 (56.7%) 29 (43.3%)
Comorbidity of depression and/or anxiety disorder No 62 (72.9%) 23 (27.1%) 2.860 0.091a
Yes 20 (57.1%) 15 (42.9%)
   Mean ± SD
Median (min-max)
Mean ± SD
Median (min-max)
Test statistics (t-value, Mann-Whitney U-value) p-value
Age   24 (18–30) 25 (18–28) 1638 0.648d
23.98 ± 3.11 24.34 ± 2.34   
ASRS   47.26 ± 9.41 53.92 ± 9.87 −3.544 0.001c
48 (23–64) 55 (30–71)   
WURS   47.23 ± 14.47 58.60 ± 17.63 −3.731 < 0.001c
46 (17–81) 60.5 (17–91)   
BDI   16.97 ± 9.02 23.78 ± 12.23 −3.423 0.001c
16 (3–45) 21.5 (3–56)   
BAI   13 (0–47) 22.5 (7–51) 2335.5 < 0.001d
15.20 ± 9.83 26.23 ± 12.80   
Serum ferritin level   58 ± 20.5 56 ± 22.7   
Hemoglobin   12.6 ± 1.2 12.4 ± 0.9   
  1. aChi-square test, bFisher’s exact test, cStudent’s t-test, dMann-Whitney U. ADHD, adult attention-deficit hyperactivity disorder; ADHD-I, inattention predominant type; ADHD-C, combined type predominant type. WURS, Wender Utah RatingScale; ASRS, Adult ADHD Self Report Scale; BDI, Beck Depression Inventory; BAI, Beck Anxiety Inventory