Trial Outcomes & Findings for A System and Process to Improve the Satisfaction With Hearing Health Products (NCT NCT04926636)

NCT ID: NCT04926636

Last Updated: 2026-02-20

Results Overview

The Client Oriented Scale of Improvement (COSI) questionnaire tracks the goals and needs of the patient through their hearing aid fitting process. Items allow the patient to qualify their degree of change for each of their needs/goals as 1) Much Worse 2) Worse 3) No Difference 4) Better 5) Much Better. Total scores are an average of item scores and range from 1 to 5 with higher scores indicating more improvement.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

34 participants

Primary outcome timeframe

3 months

Results posted on

2026-02-20

Participant Flow

Participant milestones

Participant milestones
Measure
Standard Mobile App
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
Overall Study
STARTED
18
16
Overall Study
COMPLETED
14
14
Overall Study
NOT COMPLETED
4
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Standard Mobile App
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
Overall Study
Lost to Follow-up
4
2

Baseline Characteristics

A System and Process to Improve the Satisfaction With Hearing Health Products

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Standard Mobile App
n=18 Participants
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
n=16 Participants
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
Total
n=34 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Age, Categorical
Between 18 and 65 years
4 Participants
n=14 Participants
2 Participants
n=14 Participants
6 Participants
n=29 Participants
Age, Categorical
>=65 years
14 Participants
n=14 Participants
14 Participants
n=14 Participants
28 Participants
n=29 Participants
Sex: Female, Male
Female
12 Participants
n=14 Participants
14 Participants
n=14 Participants
26 Participants
n=29 Participants
Sex: Female, Male
Male
6 Participants
n=14 Participants
2 Participants
n=14 Participants
8 Participants
n=29 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Race (NIH/OMB)
Asian
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Race (NIH/OMB)
White
14 Participants
n=14 Participants
14 Participants
n=14 Participants
28 Participants
n=29 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=14 Participants
0 Participants
n=14 Participants
0 Participants
n=29 Participants
Race (NIH/OMB)
Unknown or Not Reported
4 Participants
n=14 Participants
2 Participants
n=14 Participants
6 Participants
n=29 Participants

PRIMARY outcome

Timeframe: 3 months

The Client Oriented Scale of Improvement (COSI) questionnaire tracks the goals and needs of the patient through their hearing aid fitting process. Items allow the patient to qualify their degree of change for each of their needs/goals as 1) Much Worse 2) Worse 3) No Difference 4) Better 5) Much Better. Total scores are an average of item scores and range from 1 to 5 with higher scores indicating more improvement.

Outcome measures

Outcome measures
Measure
Standard Mobile App
n=14 Participants
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
n=14 Participants
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
COSI Goal Achievement
2.77 score on a scale
Standard Deviation 1.4
2.51 score on a scale
Standard Deviation 1.1

PRIMARY outcome

Timeframe: 3 months

Hearing aid usage information for both groups will be automatically logged on non-volatile memory inside of the hearing aid. It will record the amount of time in hours the user spent wearing their hearing aids. It is accessed and downloaded through the provided companion smartphone application.

Outcome measures

Outcome measures
Measure
Standard Mobile App
n=14 Participants
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
n=14 Participants
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
Hours of Hearing Aid Use
11.98 hours
Standard Deviation 1.637
10.1 hours
Standard Deviation 3.23

PRIMARY outcome

Timeframe: 3 months

Outcome measures

Outcome measures
Measure
Standard Mobile App
n=14 Participants
This group will be supplied with Novidan DTC hearing aids and documentation following standard of care as a control. They will be provided with the mobile application allowing for the monitoring of data for study analysis and personal control of their hearing aids, but not Health and Wellness Coaching features.
Enhanced Mobile App With Health Coaching
n=14 Participants
This group will also be supplied with the Novidan DTC hearings aids and documentation, same as the control group, but will be supplied the enhanced mobile application that allows for participation in health coaching features. They will be assigned to a health coach and will have coaching sessions scheduled. Health and Wellness Coaching: An enhanced mobile application that allows for participation in health coaching features. Participants will be assigned to a health coach and will have coaching sessions scheduled.
Adherence to Program
851 minutes spent in app
Standard Deviation 581
885 minutes spent in app
Standard Deviation 787

Adverse Events

Standard Mobile App

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Enhanced Mobile App With Health Coaching

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Peggy Nelson

University of Minnesota

Phone: 612-625-2020

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place