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 |  |