Table 7 Effects of connected brush on item sets 1 and 2 in RCT at weeks 3 and 6 Post-Randomization

Item Set 1

Change from Baseline

Week 3

Overall Summary Score

0.44 (2.41)

0.51 (2.05)

d = -0.03

Brushing Experience

0.54 (2.65)

0.33 (2.30)

d = 0.08

Week 6

Overall Summary Score

0.35 (2.26)

0.41 (2.56)

d = -0.03

Brushing Experience

0.32 (2.44)

0.34 (2.69)

d = -0.01

Item Set 2

Change Rating

Week 3

Amount of time spent brushing teeth

3.03 (0.92)

2.43 (0.71)

OR = 4.90, p <.001

Understanding of how to brush teeth

3.25 (0.93)

2.65 (0.86)

OR = 3.68, p <.01

Brushing each area of mouth more thoroughly

3.23 (0.97)

2.88 (0.72)

OR = 2.92, p <.05

Change in brushing technique

3.20 (0.91)

2.63 (0.81)

OR = 4.20, p <.01

Week 3

Percent of Respondents

Improved the way I brush

85% True

80% True

OR = 1.42, ns

Week 6

Change Rating

Amount of time spent brushing teeth

2.95 (1.04)

2.58 (0.78)

OR = 2.63, p <.05

Understanding of how to brush teeth

3.18 (0.96)

3.03 (0.86)

OR = 1.50, ns

Brushing each area of mouth more thoroughly

3.10 (1.03)

2.88 (0.85)

OR = 1.89, ns

Change in brushing technique

3.30 (1.02)

3.05 (0.88)

OR = 2.08, ns

Week 6

Percent of Respondents

Improved the way I brush

87.5% True

80% True

OR = 1.75, ns