Table 2 Descriptive statistics for EOHAB item set 1 (Baseline 1; first assessment interval) and item set 3 (Post-Baseline 1; 1-Week after connected brush Use) in Single-Arm study

Item Set 1

In the past 7 days…

Brushed teeth how often (0–4)^a

Breath smell (0–4)^b

Teeth felt clean after brushing (0–10)

Teeth felt clean throughout day (0–10)

Teeth looked clean after brushing (0–10)

Teeth looked clean throughout day (0–10)

Easy to brush teeth (0–10)

Enjoyable to brush teeth (0–10)

Teeth brushed how well (0–10)

Satisfaction with teeth brushing effectiveness (0–10)

Motivation for brushing teeth (0–10)

Confidence in brushing teeth correctly (0–10)

Focused on brushing while brushing teeth (0–10)

Attentive about brushing time while brushing teeth (0–10)

Satisfaction with toothbrush (0–10)

Bleeding from gums during brushing (0–10)

Confidence about teeth brushing effectiveness (0–4)^c

Item Set 2

App was helpful when brushing teeth (0–10)

App helped for brushing right length of time (0–10)

App helped for brushing in right locations (0–10)

Learned from app about brushing right length of time (0–10)

App changed how you brushed teeth (0–10)

Feedback from app was helpful (past 7 days; 0–10)

Weekly summaries were helpful (0–10)

Daily summaries were helpful (past 7 days; 0–10)

App was easy to use (past 7 days; 0–10)

Easy to see app-generated mouth image (past 7 days; 0–10)

App accuracy tracking brushing time (past 7 days; 0–10)

App accuracy tracking brushing location (past 7 days; 0–10)

Easy to connect toothbrush to app (past 7 days; 0–10)

Use of toothbrush without app (past 7 days; 0–4)^d