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Table 3 Summary of diet quality score outcomes according to study group

From: Changes in diet quality during a 12 month weight loss randomised controlled trial

  IW I C   p-value§
n = 67 n = 41 n = 49**
Diet Quality Tracker scores mean s.d mean s.d mean s.d p-value Time Group time*group
 Baseline 19 4 19 4 19 5 0.902 0.000 0.233 0.034
 3 months 22a,y 5 21y 4 19a 4 0.007
 12 months 20z 4 20 3 20 4 0.791
p-value 0.000 0.002 0.196     
a priori diet quality scores
 Baseline 83 12 83 14 82 14 0.861 0.000 0.027 0.001
 3 months 96b,y 10 91y 13 87b,y 12 0.001
 12 months 91c,y,z 11 90y 12 84c 12 0.006
p-value 0.000 0.000 0.023  
  1. **n = 47 at 3 months
  2. §2-way RMANOVA
  3. 1-way ANOVA
  4. 1-way RMANOVA
  5. a-c significant differences between groups
  6. y significant differences within groups from baseline
  7. z significant differences within groups from 3 months
  8. p-values in bold indicate statistically significant values