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Table 2 Changes between measurements made before and after the intervention

From: Treatment of depression and/or anxiety – outcomes of a randomised controlled trial of the tree theme method® versus regular occupational therapy

  The TTM group The other occupational therapy group Comparisons of changes between groups
  Baseline Median (IQR) After completing the intervention Median (IQR) Change Median (IQR) p-value Baseline Median (IQR) After completing the intervention Median (IQR) Change Median (IQR) P-value p-value
Primary outcomes
COPM
 Performance 4(3, 5) 5 (3, 6) 0 (0,1) ≤ .01 3 (3,5) 5 (3,6) 0 (1,2) ≤ .01 .60
 Satisfaction 2 (2, 4) 4 (2, 6) 1 (0, 2) ≤ .01 3 (2, 4) 5 (3, 6) 1 (0, 2) ≤ .01 .59
SDO
 Activity level 7 (6, 8) 7 (6, 9) 0 (−1, 1) ≤ .01 8 (6, 9) 8 (6, 10) 0 (−1, 2) ≤ .01 .65
 Satisfaction score 63 (50, 76) 65 (53, 77) 3 (− 8, 11) .21 62 (53, 69) 64 (57, 72) 5 (−5, 11) .02 .34
OBQ 23 (17, 30) 30 (21, 38) 5 (0, 12) ≤ .01 22 (15, 30) 30 (21, 37) 6 (2, 9) ≤ .01 1.00
SCL-90-R symptom scales
 Depression 83 (71, 91) 73 (58, 87) −8 (−13, 2) ≤ .01 81 (70, 91) 71 (57, 90) −2 (−15, 3) ≤ .01 .34
 Anxiety 81(68, 93) 71 (53, 91) −7 (−14, 4) ≤ .01 82 (67, 100) 78 (61, 93) −7 (−16, 5) .01 .73
SCL-90-R indexes
 GSI 81 (69, 96) 72 (59, 89) −6 (− 14, 2) ≤ .01 79 (68, 95) 73 (58, 90) −4 (−13, 2) ≤ .01 .74
 Positive symptoms 71 (65, 86) 65 (56, 78)   ≤ .01 70 (63, 77) 67 (55, 74)   ≤ .01 .11
 Positive symptoms total 70 (63, 76) 66 (56, 76)   .01 72 (65, 79) 69 (61, 76)   ≤ .01 .27
MADRS-S 25 (20, 30) 20 (11, 29) −3 (−8, 1) ≤ .01 25 (20, 32) 20 (14, 27) −4 (−10, 0) ≤ .01 .46
HADS
 HADS-A 14 (10, 17) 12 (8, 15) −2 (−5, 1) ≤ .01 14 (11, 16) 12 (9, 15) −1 (−4, 1) ≤ .01 .63
 HADS-D 10 (7, 13) 8 (3, 12) −2 (−4, 0) ≤ .01 10 (7, 14) 7 (5, 11) −2 (−4, 0) ≤ .01 1.00
Secondary outcomes
SOC 47 (39, 55) 50 (44, 62) 5 (−1, 11) ≤ .01 46 (41, 57) 52 (46, 59) 2 (−4, 9) .04 .23
Mastery 18 (16, 20) 18 (16, 22) 0 (−1, 2) .03 17 (16, 19) 18 (16, 21) 1 (−2, 3) .09 .94
MANSA 47 (37, 52) 50 (38, 61) 2 (−2, 6) .02 45 (35, 52) 50 (39, 55) 3 (−1, 8) .01 .75
HAq-II
 HAq-II OTs’ 86 (80, 92) 96 (90, 106) 11 (7, 16) ≤ .01 85 (80, 90) 94 (90, 102) 9 (6, 15) ≤ .01 .27
 HAq-II patients’ 99 (93, 105) 106 (99, 111) 4 (−1, 10) ≤ .01 95 (91, 101) 102 (94, 107) 4 (0, 11) ≤ .01 .99
CSQ   26 (23, 30)     26 (24, 30)    .96
  1. The IQR (interquartile range) shows the difference between the 25th and 75th percentiles, that is, it contains the central 50% of the observations. TTM, Tree Theme Method; COPM, Canadian Occupational Performance Measure; SDO, Satisfaction with Daily Occupations; OBQ, Occupational Balance Questionnaire; SCL-90-R, Symptom Checklist-90-R; GSI, Global Symptom Index; MADRS-S, Montgomery-Åsberg Depression Rating Scale; HADS, Hospital Anxiety and Depression Scale divided into an Anxiety subscale (HADS-A) and a Depression subscale (HADS-D); SOC, Sense of Coherence measure; MANSA, Manchester Short Assessment of quality of life; HAq-II, Helping Alliance questionnaire; CSQ, Client Satisfaction Questionnaire