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. 2010 Nov 24;341:c6325. doi: 10.1136/bmj.c6325

Table 4.

 Substance use: readiness to change

Control Therapy
Total n n (%) Total n n (%)
Baseline
Pre-contemplative 162 40 (24.7) 163 43 (26.4)
Contemplative 162 71 (43.8) 163 80 (49.1)
Action 162 51 (31.5) 163 40 (24.5)
12 months
Pre-contemplative 134 37 (27.6) 139 23 (16.5)
Contemplative 134 47 (35.1) 139 47 (33.8)
Action 134 50 (37.3) 139 69 (49.6)
24 months
Pre-contemplative 118 27 (22.9) 126 30 (23.8)
Contemplative 118 40 (33.9) 126 51 (40.5)
Action 118 51 (43.2) 126 45 (35.7)