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Table 6 Pearson correlations between changes in EOHAB scores and clinical scores in RCT and objective brushing scores in Single-Arm study

From: Impact of connected toothbrushes on patient perceptions of brushing skills and oral health: results from a randomized clinical trial and a single-arm intervention study

EOHAB Score

Single-Arm Study

(Before Beginning Connected Brush to 4 Weeks After Connected Brush Use)

RCT

(Baseline to 6 Weeks Post-Randomization)

Brushing Frequency

Brushing Duration

Brushing Coverage

RM-NPI

LSGI

Item Set 1

     

Overall Summary Score

-0.02

0.09

0.10

-0.02

-0.02

Brushing Experience

-0.05

0.08

0.12

-0.03

0.01

Item Set 2

     

Amount of time spent brushing teeth

0.04

0.22*

0.13

0.00

-0.13

Understanding of how to brush teeth

0.01

0.34***

0.22*

-0.01

0.01

Change in brushing skills

0.09

0.28**

0.16

-

-

Brushing each area of mouth more thoroughly

-0.07

0.29**

0.18*

-0.02

-0.15

Change in brushing technique

0.02

0.27**

0.17

-0.03

-0.07

Changed the way I brush

-0.01

0.29**

0.19*

-

-

Improved the way I brush

0.04

0.45***

0.28**

-0.12

-0.03

Item Set 3

     

Overall App Score

0.07

0.24**

0.25**

-

-

App Utility Score

0.07

0.29***

0.27**

-

-

App Usability Score

0.04

0.09

0.14

-

-

  1. *p <.05; **p <.01; ***p <.001
  2. Item Set 3 was not administered in the RCT