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Table 1 Data on demographics, Insomnia Severity Index and EQ-5D (n = 249)

From: Preliminary validation of the insomnia severity index in Danish outpatients with a medical condition

Age, mean [SD] (range) 58.2 [13.5] (21–90)
Gender, n [%]
 Male 91 [36.5]
 Female 158 [63.5]
Education, n [%]
 Less than 10 years 38 [15.3]
 Youth education programme 9 [3.6]
 Medium long education 150 [60.3]
 Long education 21 [8.4]
 Other (vocational education, etc.) 31 [12.4]
Employment, n [%]
 Employed 97 [39.0]
 Unemployed 32 [12.9]
 Pension 91 [36.5]
 Other (sick leave, student, part time, etc.) 29 [11.6]
Living situation, n [%]
 Living alone 64 [25.7]
 Living with spouse/partner and/or children 185 [74.3]
Participants at sights, n [%]
 Surgical ward (Naestved) 49 [19.7]
 Medical ward (Vejle) 45 [18.1]
 Oncology ward (Herning) 50 [20.1]
 Rehabilitation centre (REHPA) 105 [42.1]
Medical condition, n [%] (multiple answers were possible)
 Heart disease 11 [4.4]
 Cancer 165 [66.3]
 Lung disease 3 [1.2]
 Other (diabetes, sclerosis, arthritis, etc.) 56 [22.5]
 Multiple diseases (two or more of the above) 14 [5.6]
Currently in treatment, n [%] 158 [63.5]
Uses sleep medication, n [%] 34 [13.7]
Insomnia Severity Index scores, n [%]
 0–7 = absence of insomnia 90 [36.1]
 8–14 = sub-threshold insomnia 90 [36.1]
 15–21 = moderate insomnia 63 [25.4]
 22–28 = severe insomnia 6 [2.4]
EQ-5D-5 L, n [%]
 Mobility
  No problem 165 [66.3]
  Any problem 84 [33.7]
 Self-care
  No problem 216 [86.8]
  Any problem 33 [13.2]
 Usual activities
  No problem 93 [37.4]
  Any problem 156 [62.6]
 Pain/discomfort
  No problem 64 [25.7]
  Any problem 185 [74.3]
 Anxiety/depression
  No problem 132 [53.0]
  Any problem 117 [47.0]
  1. SD Standard deviation