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Table 2 Mean (standard deviation) raw scores at T1, T2 and T3 for Beck Anxiety Inventory (BAI) and Insomnia Severity Index (ISI)

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
BAIa n = 37 n = 28 n = 36
T1 21.4 (14.2) 19.1 (13.2) 22.6 (14.0)
T2 15.1 (12.9) 11.6 (9.0) 10.7 (10.5)
T3 14.2 (12.7) 12.8 (13.6) 10.9 (10.6)
ISI b n = 34 n = 28 n = 35
T1 13.8 (7.8) 14.6 (7.6) 14.2 (7.2)
T2 11.0 (7.3) 13.3 (7.5) 8.8 (8.6)
T3 11.3 (8.9) 9.4 (8.2) 8.2 (7.6)
  1. aIn the repeated measurements ANOVA for BAI the Interaction effect was: (F[1.45, 3.13], p = 0.229), Group effect: BAI (F[0.57, 2], p = 0.569) and Time effect: BAI (F[32.66, 1.56], p < 0.001)
  2. bIn the repeated measurements ANOVA for ISI the Interaction effect was: (F[2.27, 3.94], p = 0.065), Group effect: F[0.95, 2], p = 0.392) and Time effect: BAI (F[18.06, 1.97], p < 0.001)