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Table 2 Means and SDs for all measures across time by treatment group (n = 26)

From: A preliminary study of motivational interviewing as a prelude to intensive treatment for an eating disorder

Measure and condition Baseline After pre-treatment
  Mean SD Partial η2 Mean SD Partial η2
PCED – pros subscale       
   MI group 8.96 18.19 .001 1.60 23.41 .01
   Control group 10.33 23.87 7.50 26.86
PCED – cons subscale       
   MI group 36.79 9.76 .001 40.27 9.23 .10
   Control group 36.05 14.99 32.18 14.61
MTC importance of eating       
   MI group 8.09 2.74 .01 8.64 2.16 .000
   Control group 7.60 2.23 8.60 1.80
MTC confidence eatinga       
   MI group 6.09 2.12 .01 7.64 1.63 .04
   Control group 5.57 2.38 6.86 2.07
MTC readiness eating       
   MI group 7.73 2.15 .16 8.73 2.15 .20
   Control group 5.80 2.37 6.77 1.94
MTC importance restriction       
   MI group 8.18 2.27 .21 8.27 2.49 .04
   Control group 5.53 2.90   7.47 2.31  
MTC confidence restriction       
   MI group 6.05 2.49 .01 6.73 2.49 .01
   Control group 6.47 2.31   7.27 2.31  
MTC readiness restriction       
   MI group 6.80 1.79 .10 9.60 .89 .41
   Control group 5.71 1.70   6.14 2.79  
MTC importance weight/shape       
   MI group 9.00 1.00 .16 9.45 1.04 .14
   Control group 7.47 2.23   8.33 1.68  
MTC confidence weight/shape       
   MI group 6.73 1.95 .09 5.82 1.78 .04
   Control group 5.00 3.21   6.67 2.19  
MTC readiness weight/shapeb       
   MI group 6.80 1.64 .06 9.80 .45 .29
   Control group 5.71 2.63   7.29 2.69  
  1. No analyses were significant at an α of 0.01.
  2. a(n = 25).
  3. b(n = 12).