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Table 1 Characteristics and disease severity of study cohort of people with gout (n = 320)

From: Self-reported sleep quality and sleep disorders in people with physician-diagnosed gout: an Internet cross-sectional survey

  N (%), unless specified otherwise
Demographics
 Age, mean (SD) 57.0 (13.4)
 Male sex 166 (72%)
 Race/ethnicity1
  White 179 (77%)
  Black or African American 13 (6%)
  Asian 24 (10%)
  American Indian or Alaskan Native 1 (0.4%)
  Native Hawaiian or other Pacific Islander 13 (6%)
  Other 13 (6%)
  Hispanic ethnicity1 24 (10%)
Gout: disease, flare*, treatment, and comorbidity characteristics
 Gout duration, years, mean (SD)2 7.6 (10.8)
 Gout flares in the last month, mean (SD)3 1.5 (1.3)
 Gout flares in the last year, mean (SD)3 5.2 (6.1)
 Gout flares in the last month3
  None 58 (20%)
  1 115 (40%)
  2 69 (24%)
  3 20 (6%)
  4 11 (3%)
  5 17 (5%)
 Gout flares in the last year3
  None 45 (16%)
  1 51 (18%)
  2 36 (13%)
  3 37 (12%)
  4 13 (4%)
  5 19 (6%)
  ≥ 6 85 (30%)
Doctor prescribed allopurinol or febuxostat3 155 (54%)
Days in the last month missed a dose of allopurinol or febuxostat, mean (SD)4 8.0 (12.3)
Days in the last month missed a dose of allopurinol or febuxostat4
 0 72 (51%)
 1 6 (4%)
 2 8 (6%)
 3 9 (6%)
 4 3 (2%)
 5 4 (2%)
 ≥ 6 39 (28%)
Number of medical conditions diagnosed, including gout, mean (SD)5 2.8 (2.6)
Number of medical conditions diagnosed, including gout 5
 1 97 (38%)
 2 50 (20%)
 3 52 (20%)
 4 21 (8%)
 ≥ 5 35 (14%)
How bad are the symptoms from your gout overall?6
 Very severe (as bad as it can be) 58 (24%)
 Severe 102 (42%)
  Moderate 57 (24%)
 Mild 17 (7%)
 No symptoms from my gout 7 (3%)
  1. ULTs include prescription of one of the following: allopurinol (also called Aloprim or Zyloprim) or febuxostat (also called Uloric) or probenecid (benemid). Missing data for each question from the sample of 320 respondents: 1n = 88; 2n = 21; 3n = 30, 34, 35, respectively, for these three questions 4n = 179, 5n = 65, and 6n = 79
  2. *Gout flare was defined using a question similar to that used previously for patient-reported flare and in addition providing some details of a gout flare: “How many gout flares did you have in the last year? A typical gout flare is associated with severe pain, swelling, and inability/difficulty to move the joint and lasts 7–10 days without treatment”