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Table 1 Participant demographic and disease characteristics

From: Development and adaptation of patient-reported outcome measures for patients who experience itch associated with primary biliary cholangitis

Characteristic N = 20
Age, y
 Mean (SD) 57.4 (11.2)
 Range 32–74
Female, n (%) 18 (90)
Race, n (%)
 White 18 (90)
 Hispanic 2 (10)
Highest level of education completed, n (%)
 High school 1 (5)
 Some college 7 (35)
 Bachelor’s degree 6 (30)
 Graduate or professional school 6 (30)
Current employment status, n (%)
 Full time 11 (55)
 Part time 1 (5)
 Unemployed for > 1 year 1 (5)
 Retired 6 (30)
 Unable to work because of PBC, CPS/fibromyalgia 1 (5)
Household income, US $, n (%)
 $15,000–$24,999 2 (10)
 $25,000–$34,999 1 (5)
 $35,000–$49,999 2 (10)
 $50,000–$74,999 6 (30)
 $75,000–$99,999 2 (10)
 $100,000–$124,999 1 (5)
 ≥$125,000 5 (25)
 Declined to answer 1 (5)
Comorbidities, n (%)a
 Allergies (hay fever, chronic sinus trouble, other) 10 (50)
 Arthritis or rheumatism 10 (50)
 Asthma or other severe lung problemsb 4 (20)
 Back problems (including disc or spine) 7 (35)
 Depression 2 (10)
 Diabetes or high blood sugar 3 (15)
 Headache or migraine 3 (15)
 Heart troublec 1 (5)
 High blood pressure or hypertension 7 (35)
 Nervousness or anxiety disorder 2 (10)
 Thyroid problems 1 (5)
 Trouble seeing (even with glasses or contact lenses) 4 (20)
Itch NRS (scale 0–100)d
 Severity of worst itch, mean (SD) 89.3 (14.1)
 Severity of usual amount of itch, mean (SD) 50.5 (24.5)
  1. CPS, chronic pain syndromes; NRS numerical response scale; PBC primary biliary cholangitis; SD, standard deviation; US, United States
  2. aOne participant each (5%) reported celiac disease, chronic reflux, fibromyalgia, hepatitis C, mixed nonspecific autoimmune disease, osteoarthritis, osteoporosis, polyps, Raynaud’s disease, Sjogren’s syndrome, or sphincter of Oddi dysfunction
  3. bChronic bronchitis, chronic obstructive pulmonary disorder, or emphysema
  4. cAngina, congestive heart failure, coronary artery disease, use of cardiac pacemaker
  5. dDuring the concept elicitation portion of the interview, participants were asked to complete a series of rating exercises using a NRS, with the 0 end of the scale representing “NO Itching at All,” and 100 representing “Worst Itching You Can Imagine”