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. 2020 Feb 13;15(2):e0228632. doi: 10.1371/journal.pone.0228632

Table 2. Characteristics of the four claims datasets.

Optum CCAE MDCD MDCR
Use Disorder: Use Disorder: Use Disorder: Use Disorder:
No Yes No Yes No Yes No Yes
Characteristic % (n = 371,199) % (n = 505) % (n = 370,917) % (n = 341) % (n = 342,643) % (n = 909) % (n = 384,280) % (n = 144)
Mean Age (sd) 48 (21) 49 (23) 38 (17) 32 (16) 27 (24) 43 (22) 76 (7) 74 (7)
Gender: female (%) 53 43 52 43 56 58 52 56
Medical history: General (%)
    Acute respiratory disease 52 49 60 65 71 65 42 51
    Attention deficit hyperactivity disorder 3 8 4 13 14 14 0 0
    Chronic liver disease 2 5 2 2 2 7 2 6
    Depressive disorder 12 27 10 29 18 49 7 25
    Human immunodeficiency virus infection 0 1 0 1 1 2 0 1
    Obesity 9 10 6 7 15 21 4 13
    Osteoarthritis 20 30 11 17 12 38 40 66
    Renal impairment 5 15 1 3 6 15 10 21
    Schizophrenia 0 1 0 0 3 6 0 1
    Viral hepatitis C 0 4 0 1 1 6 0 1
Medical history: Cardiovascular disease
    Heart disease 23 28 14 13 19 36 58 64
Medical history: Neoplasms
    Malignant neoplastic disease 11 11 7 9 5 11 33 30
Medication use
    Antidepressants 18 31 18 37 16 26 22 38
    Antiepileptics 7 20 6 21 12 22 12 25
    Antiinflammatory and antirheumatic products 38 41 43 42 45 48 46 55
    Antineoplastic agents 5 7 5 9 4 4 7 8
    Drugs used in diabetes 9 10 6 7 6 4 20 24
    Psycholeptics 26 36 27 35 36 53 39 56
    Psychostimulants, agents used for adhd and nootropics 4 9 6 17 13 15 2 4