Table 1.

Patient Demographics

CharacteristicsPatients (n = 45)
Age (years), mean (SD)57 (13)
Female sex22 (49)
Race/ethnicity
    White40 (89)
    Hispanic3 (7)
    Other4 (9)
    Native American1 (2)
Pain indication*
    Unspecified joint pain30 (67)
    Neuropathy17 (38)
    Unspecified back pain15 (33)
    Unspecified muscle pain11 (24)
    Unspecified pain11 (24)
    Osteoarthritis10 (22)
    Spinal disease or pain9 (20)
    Unspecified neck pain7 (16)
    Fibromyalgia3 (7)
    Migraine2 (4)
    Rheumatoid arthritis2 (4)
    Other8 (18)
Comorbidities*
    Tobacco use28 (62)
    Anxiety27 (60)
    Depression25 (56)
    Insomnia20 (44)
    Alcohol use18 (42)
    Migraines9 (20)
    History of illicit drug use5 (11)
    Bipolar3 (7)
    Other psychiatric condition2 (4)
  • Data are n (%) unless otherwise indicated.

  • * Characteristics are not mutually exclusive. Patients may have multiple documented indications and comorbidities.

  • SD, standard deviation.