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. Author manuscript; available in PMC: 2019 Nov 20.
Published in final edited form as: Ann Emerg Med. 2019 Jun 20;74(5):611–621. doi: 10.1016/j.annemergmed.2019.04.007

Table 4.

Regression marginal effects estimates

Characteristic Marginal Effect Estimate
(95% CI)

Age
  13–17 −10.83 (−11.87, −9.80)
  18–39 ref
  40–64 0.27 (−0.84, 1.38)
Male gender 1.15 (0.19, 2.11)
Race
  White ref
  Black −2.4 (−3.92, −0.88)
  Hispanic −2.48 (−3.86, −1.11)
  Asian/Hawaiian or other Pacific Islander −5.47 (−7.59, −3.35)
  American Indian/Alaska Native −0.18 (−2.86, 2.49)
  Other/Unknown −3.03 (−4.42, −1.63)
Qualified for Medicaid under disability 1.78 (0.53, 3.04)
Qualified for Medicaid under expansion 1.68 (0.55, 2.80)
Coverage type
  Fee-for-service ref
  Managed care −2.43 (−4.24, −0.62)
History of physical health conditions
  Cardiovascular 1.78 (0.51, 3.04)
  Skeletal and connective tissue 7.85 (6.59, 9.11)
  Nervous System 0.98 (−0.92, 2.87)
  Pulmonary 2.1 (0.81, 3.40)
  Gastrointestinal 1.46 (0.13, 2.78)
  Diabetes 1.34 (−0.45, 3.14)
  Skin 1.45 (0.05, 2.85)
  Renal 2.27 (−0.42, 4.96)
  Genital 4.77 (2.56, 6.98)
  Metabolic 1.94 (−0.32, 4.20)
  Pregnancy 0.31 (−1.68, 2.30)
  Hematologic 1.9 (−2.11, 5.90)
  Infectious 1.93 (−0.27, 4.14)
  Other Physical Health Condition −3.86 (−6.26, −1.47)
History of other behavioral health
  Alcohol disorder 1.51 (−0.28, 3.30)
  Anxiety 3.03 (1.62, 4.44)
  Bipolar disorder −0.39 (−2.34, 1.56)
  Disorders originating in childhood −2.16 (−4.29, −0.02)
  Dysthymia or other depression 0.8 (−0.53, 2.14)
  Major depression 0.84 (−0.81, 2.49)
  Schizophrenia or other non-mood disorder −1.92 (−4.57, 0.73)
  Other Behavioral health disorders 3.28 (2.00, 4.57)
Pain-related or injury diagnoses at visit
  Kidney stone −1.87 (−4.27, 0.54)
  Injury −0.83 (−1.83, 0.18)
  Back pain 2.28 (0.91, 3.65)
  Neck pain 2.74 (0.56, 4.92)
  Arthritis/joint pain 2.57 (1.16, 3.99)
  Non-traumatic dental pain 2.5 (0.85, 4.16)
  Other pain 0.95 (−0.93, 2.82)
History of substance use disorder
  Opioids 4.56 (0.53, 8.59)
  Cannabis −1.72 (−4.62, 1.19)
  Amphetamines −1.79 (−4.70, 1.12)
  Tobacco 2.01 (0.56, 3.46)
  Other Substance Use Disorders 1.09 (−0.86, 3.05)
Medications
  History of prescribed benzodiazepines 7.05 (3.56, 10.54)
  Total MME prescribed at visit
    under 150 ref
    150–350 4.47 (3.20, 5.74)
    350 and over 19.32 (14.64, 24.00)