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Table 1 Patient characteristics and number of acupuncture or relaxation sessions attended

From: Auricular acupuncture for substance use: a randomized controlled trial of effects on anxiety, sleep, drug use and use of addiction treatment services

  NADA Local Protocol Control Total p
n = 80 n = 80 n = 120 n = 280
Female gender, % 37.5 41.3 50.0 43.9 0.185
Age, M(SD) 44.1(14.0) 44.3(14.2) 44.8(13.0) 44.5(13.6) 0.924
6 months before start of treatment, M(SD):
 Visits to the doctor 1.5(1.7) 2.1(2.0) 1.8(2.0) 1.8(1.9) 0.062
 Inpatient admissions 0.7(0.8) 0.9(1.1) 0.7(0.7) 0.7(0.9) 0.406
 Inpatient days 2.6(4.6) 3.8(7.8) 3.3(7.3) 3.2(6.8) 0.705
Inpatient at treatment start, % 35.0 45.0 35.8 38.2 0.333
Main diagnosis, % n = 73 n = 80 n = 108 n = 261  
 Mental and behavioral disorders due to:  use of alcohol, F10.1-10.3 52.1 48.8 60.2 54.4
 use of opioids, cannabinoids, sedatives or hypnotics, F11.1–13.2 23.3 17.5 17.6 19.2 0.649
 multiple drug use, F19.1–19.2 15.1 18.8 10.2 14.2
 Other psychiatric diagnosis, F29.2–90.0 8.2 12.5 11.1 10.7
 General psychiatric examination, Z00.4 1.4 2.5 0.9 1.5
  n = 75 n = 74 n = 113 n = 262  
BAI sum score at T1, M(SD) 21.7(12.5) 19.9(10.8) 21.6(11.9) 21.1(11.8) 0.557
  n = 75 n = 74 n = 112 n = 261  
ISI sum score at T1, M(SD) 15.4(7.2) 13.9(7.3) 14.4(6.9) 14.6(7.1) 0.390
  n = 72 n = 72 n = 109 n = 253  
AUDIT at T1, M(SD) 17.3(12.3) 18.6(11.9) 19.0(12.0) 18.4(12.0) 0.637
  n = 74 n = 71 n = 112 n = 257  
DUDIT at T1, M(SD) 10.5(14.5) 10.1(13.8) 9.0(13.2) 9.7(13.7) 0.730
  n = 68 n = 67 n = 100 n = 235  
Number of sessions, M(SD) 11.9(4.7) 7.1(3.4) 6.9(3.9) 8.4(4.6) <0.001