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Table 4 Descriptive data for secondary outcomes

From: Randomised cluster trial to support informed parental decision-making for the MMR vaccine

   Intervention Control  
Outcome Time point Mean 95% CI Mean 95% CI p-valuea
Knowledgeb T1 6.38 6.00- 6.77 5.97 5.53- 6.41 0.253
  T2 8.22 7.84- 8.60 7.83 7.52- 8.15  
  T3 7.30 6.93- 7.66 7.08 6.80- 7.36  
Intended choicec T1 5.93 5.54- 6.32 5.10 4.60- 5.60 0.605
  T2 6.03 5.67- 6.39 5.44 4.96- 5.92  
  T3 6.34 6.00- 6.68 5.58 5.06- 6.09  
Attituded T1 4.98 4.66- 5.30 4.52 4.17- 4.88 0.786
  T2 5.19 4.89- 5.48 4.77 4.44- 5.10  
  T3 5.26 4.96- 5.55 4.68 4.33- 5.04  
Necessity beliefse T1 16.88 16.22-17.53 16.73 15.99-17.47 0.578
  T2 17.63 16.97-18.28 17.18 16.49-17.87  
  T3 17.43 16.87-18.00 17.21 16.46-17.96  
Concern beliefse T1 9.83 8.92-10.73 11.00 10.04-11.96 0.939
  T2 8.92 8.15- 9.70 10.15 9.07-11.22  
  T3 8.66 7.81- 9.50 10.06 9.04-11.09  
Anxietyf T1 32.50 29.63-35.37 34.20 31.52-36.89 0.219
  T2 30.89 28.00-33.77 33.78 30.43-37.13  
  T3 31.46 28.49-34.43 33.39 30.09-36.68  
  1. Note. N = 135. aSignificance value for time by arm interaction. Values range from b0 (no knowledge) to 11 (good knowledge); c1(definitely do not intend) to 7 (definitely do intend); d1 (extremely negative attitude) to 7 (extremely positive attitude); e4 (not at all necessary/concerned) to 20 (very necessary/concerned); f20 (low anxiety) to 80 (high anxiety).