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Table 2 Practice, knowledge and attitude change

From: Outcome assessment of a triangular clinic as a harm reduction intervention in Rajaee-Shahr Prison, Iran

  N Mean (% of maximum achievable score) Std. Deviation Percentage of mean score to maximum achievable score
Valid Missing Minimum Maximum
Knowledge pre-test 104 46 27.17 (0.69.6) 6.30 0 0.92
Knowledge post-test 53 97 27.63 (0.70.8) 5.29 0.45 0.89
Attitude pre-test 149 1 76.44 (0.73.5) 9.51 0.40 1.01
Attitude post-test 92 58 75.51 (0.72.6) 13.60 0.30 1
Practice pre-test 148 2 11.85 (0.59.2) 3.19 0.05 0.9
Practice post-test 91 59 13.69 (0.68.4) 3.09 0.21 0.95