Abstract
Objective: We describe the construction of a hearing aid long-term use persistence measure based on battery reorder data. The measure is derived from the notion that hearing aid users keep using their devices for some time after placing a battery order.
Design: A hearing aid user is defined as persistent at time T if they placed a battery order within a time span W preceding T. We characterize and validate this measure using electronic health records from a large sample of US Veterans.
Results: We describe how to choose parameters T and W for calculating persistence rates in the patient sample. For validation, the associations of persistence with: (1) the duration over which users received outpatient hearing aid care; (2) self-reported hearing aid use shortly after fitting; and (3) patient age and hearing loss are investigated. In all cases, plausible dependencies are observed.
Conclusions: We conclude that our persistence measure is viable and hope this will motivate its use in similar studies.
Design: A hearing aid user is defined as persistent at time T if they placed a battery order within a time span W preceding T. We characterize and validate this measure using electronic health records from a large sample of US Veterans.
Results: We describe how to choose parameters T and W for calculating persistence rates in the patient sample. For validation, the associations of persistence with: (1) the duration over which users received outpatient hearing aid care; (2) self-reported hearing aid use shortly after fitting; and (3) patient age and hearing loss are investigated. In all cases, plausible dependencies are observed.
Conclusions: We conclude that our persistence measure is viable and hope this will motivate its use in similar studies.
| Original language | English |
|---|---|
| Journal | Ear and hearing |
| Early online date | 1 Apr 2021 |
| DOIs | |
| Publication status | Published - 1 Apr 2021 |
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Manchester Centre for Audiology and Deafness (ManCAD)
Munro, K., Millman, R., Lamb, W., Dawes, P., Plack, C., Stone, M., Kluk-De Kort, K., Moore, D., Morton, C., Prendergast, G., Couth, S., Schlittenlacher, J., Chilton, H., Visram, A., Dillon, H., Guest, H., Heinrich, A., Jackson, I., Littlejohn, J., Jones, L., Lough, M., Morgan, R., Perugia, E., Roughley, A., Short, A., Whiston, H., Wright, C., Saunders, G. & Kelly, C.
Project: Research