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. 2020 Sep 3;21:761. doi: 10.1186/s13063-020-04684-6

Table 1.

Baseline demographics and drug use characteristics by treatment arm

Total (n = 297) SAR (n = 149) SBCM-ED (n = 148)
Characteristic n (%) n (%) n (%)
 Gender
  Male 256 (86.2) 126 (84.6) 130 (87.8)
  Female 41 (13.8) 23 (15.4) 18 (12.2)
 Age mean years (SD) 43.7 (10.8) 43.0 (10.8) 44.4 (10.8)
 Race/ethnicity
  Hispanic/Latino 98 (33.0) 46 (30.9) 52 (35.1)
  Black/African-American 97 (32.7) 50 (33.6) 47 (31.8)
  White 74 (24.9) 38 (25.5) 36 (24.3)
  Asian/Asian-Amer./Pacific Islander 8 (2.7) 5 (3.4) 3 (2.0)
  Other 20 (6.7) 10 (6.7) 10 (6.8)
 Income1 mean (SD) 15,788.70 (24,018.9) 15,581.97 (23,349.91) 15,942.49 (24,574.65)
 Education mean years (SD) 11.7 (2.6) 11.8 (2.6) 11.5 (2.6)
 Currently employed
  Yes 50 (16.8) 25 (16.8) 25 (16.9)
  No 247 (82.3) 124 (83.2) 123 (83.1)
 Stable living situation
  Yes 149 (50.2) 83 (55.7) 66 (44.6)
  No 148 (49.8) 66 (44.3) 82 (55.4)
 Lifetime opioid treatment (yes) 230 (77.4) 115 (77.2) 115 (77.7)
 Chief complaint at ED visit
  Seeking detox 214 (72.1) 105 (70.5) 109 (73.6)
  Withdrawal 17 (5.7) 5 (3.4) 6 (4.1)
  Seeking medication/ methadone 11 (3.7) 8 (5.4) 9 (6.1)
  Other 55 (18.3) 31 (20.8) 24 (16.2)
> 1 day(s) in healthcare institutions
  Hospital: medical 27 (9.1) 14 (9.4) 13 (8.8)
  Hospital: detox 21 (7.1) 10 (6.7) 11 (7.4)
  Residential detox 16 (5.4) 10 (6.7) 6 (4.1)
  Ambulatory detox 2 (0.7) 2 (1.3) 0 (0.0)
  Residential program 7 (2.4) 4 (2.7) 3 (2.0)
  Residential: alcohol only 1 (0.3) 0 (0.0) 1 (0.7)
  Residential: emotional/psych 5 (1.7) 2 (1.3) 3 (2.0)
  Any institution 79 (26.6) 42 (28.2) 37 (25.0)
 Incarcerated in past 30 days 15 (5.1) 5 (3.4) 10 (6.8)
Substance use2 n % or Mean (SD) n % or Mean (SD) n % or Mean (SD)
 Street opioid use
  Use in the last 30 (yes) 289 97.3% 146 98.0% 143 96.6%
  Days in last 30 297 25.7 (7.9) 149 26.2 (7.2) 148 25.2 (8.6)
  Lifetime months 293 185.3 (141.1) 147 179.4 (135.7) 146 191.3 (146.5)
 Rx opioid use
  Use in the last 30 (yes) 93 31.3% 50 33.6% 43 29.1%
  Days in last 30 297 2.6 (6.5) 149 2.74 (6.7) 148 2.5 (6.3)
  Lifetime months 199 85.6 (109.4) 100 75.3 (93.8) 99 96.1 (122.7)
 Alcohol use
  Use in the last 30 (yes) 165 55.6% 77 51.7% 88 59.5%
  Days in last 30 297 10.2 (12.6) 149 9.5 (12.5) 148 10.8 (12.8)
  Lifetime months 277 225.6 (149.4) 139 208.8 (142.6) 138 242.4 (154.6)
 Cocaine use
  Use in the last 30 (yes) 193 65.0% 94 63.1% 99 66.9%
  Days in last 30 297 9.4 (11.6) 149 9.3 (11.8) 148 9.5 (11.5)
  Lifetime months 270 180.7 (144.0) 135 166.5 (138.3) 135 194.8 (148.7)

1Of those who reported income (n = 286)

2Results for most commonly used illicit substances in this sample