Table 1 Psychometric assessments of the group therapy: quality of life and psychopathological measures
ScaleBaseline(BL)Aftertherapy(END)p Value(BL vs END)Follow-up(FU)p Value(BL vs FU)
QoL-RLS1228.6 (12.8)23.4 (13.1)<0.00121.2 (9.7)0.001
SCL-90-R1451.3 (37.0)45.9 (32.9)0.03143.7 (34.8)0.001
WBS-51512.7 (4.6)13.6 (4.3)0.20714.8 (4.2)0.034
SF-36: mental component summary1346.0 (11.7)47.4 (10.9)0.44549.8 (7.9)0.026
SF-36: physical component summary1345.4 (9.3)45.7 (10.4)0.97844.8 (9.6)0.854
IRLS total score1625.9 (6.9)19.1 (6.3)<0.00118.9 (7.0)<0.001
IRLS subscale: impact of RLS on daily life166.0 (2.3)4.2 (1.9)<0.0014.0 (1.7)<0.001
IRLS subscale: severity of RLS symptoms1615.1 (3.4)11.1 (2.7)<0.00111.3 (4.4)<0.001
RLS-6: severity at bedtime175.2 (3.3)3.1 (2.7)0.0083.0 (2.6)0.004
RLS-6: severity during the night174.4 (3.5)3.4 (2.7)0.0963.7 (2.9)0.339
RLS-6: severity during the day when at rest172.7 (2.5)1.7 (1.6)0.0101.8 (2.0)0.077
RLS-6: satisfaction with sleep176.4 (2.4)4.5 (2.6)0.0095.0 (2.2)0.035
  • Values are given as mean (SD). Results of the mid-treatment evaluation are reported in the text.

  • BL, baseline evaluation; END, evaluation at the end; FU, evaluation 3 months after the end of therapy; QoL-RLS, Quality of life in RLS (0 = excellent, 54 = very bad. Note: item 8, asking for side effects of medication, was omitted); SCL-90-R, Symptom Check List-90 Revised Version (population-based reference value: 50 (10)); WBS-5, WHO-5 Well-Being Scale (0 = very bad, 25 = excellent; scores ⩽ 13 indicative of depression); IRLS, International RLS Severity Scale (0 = no symptoms, 40 = very severe symptoms); IRLS impact subscale, sum score of the IRLS items 5, 9 and 10 (0 = no impairment, 12 = very much impaired); IRLS severity subscale, sum score of the IRLS items 1, 2, 4, 6, 7 and 8 (0 = no symptoms, 24 = very severe symptoms); RLS-6 scales, for each item: 0 = no symptoms, 10 = very severe symptoms.