Table 4 Changes in within-group scores of knowledge, attitudes and practices toward whole grains (n = 63)

6.8 (6.5,7.1)

< 0.001***

0.1 (−0.3,0.5)

0.508

6.8 (6.5,7.2)

< 0.001***

0.4 (−0.2,1.0)

0.222

0.1 (− 0.2,0.3)

0.587

0.3 (− 0.2,0.7)

0.277

12.5 (11.4,13.5)

< 0.001***

−0.7 (−2.0,0.6)

0.286

9.2 (8.1,10.2)

< 0.001***

−0.4 (−1.5,0.6)

0.407

−3.3 (−4.4,-2.2)

< 0.001***

0.3 (−0.4,0.9)

0.412

10.6 (8.9,12.2)

< 0.001***

0.5 (−1.0,2.0)

0.505

8.0 (5.3,10.7)

< 0.001***

0.3 (−1.2,1.8)

0.664

−2.6 (−4.6,-0.5)

0.016*

−0.2 (−0.5,0.2)

0.259