Table 1 Demographic and clinical characteristics of subjects with and without gout
CharacteristicsSubjects with gout (n = 1558–1581)Subjects without gout (n = 64 553–69 410)†p Value*
Age (years), mean (SD)68 (11)61 (15)<0.001
Currently smoke1524<0.001
Employment status<0.001
Education level<0.001
    <8th Grade34
    Some high school2534
    High school graduate3636
    College and beyond3627
Number of medical comorbidities, mean (SD)‡1.5 (1.1)0.8 (1.0)<0.001
Number of arthritic comorbidities, mean (SD)§0.6 (0.9)0.2 (0.6)<0.001
  • Results are shown as percentages unless stated otherwise.

  • *p Values denote comparisons between subjects with and without gout (all three survey-derived measures); †data were available on the entire sample with the following exceptions: race data were available for 40 790 subjects without gout and 1164 with gout, current smoking status (from survey data) was available for 35 985 subjects without gout and 993 with gout, education status was available for 38 236 subjects without gout and 1061 with gout; ‡medical comorbidity was a sum of five comorbidities, including diabetes, depression, hypertension, heart disease and asthma/chronic obstructive pulmonary disease; §arthritic comorbidity was a sum of nine arthritic conditions other than gout: osteoarthritis, rheumatoid arthritis, spondyloarthropathies, crystal-associated arthritis except gout, unspecified arthritis, infectious arthritis, arthritis associated with haemachromatosis, arthritis associated with endocrine or metabolic diseases and spondylosis.