Design. Parallel groups randomized controlled trial with ten week follow-up.
Method. Fifty people, newly prescribed with a hearing aid, completed either a questionnaire that included a brief self-affirming exercise or an identical questionnaire with no self-affirming exercise. The main outcome measure was derived from data-logging automatically stored by the hearing aid. Perceived threat (“anxiety about aging”), behavioural intention and self-efficacy were measured as potential mediators.
Results. Objectively-measured hours of daily hearing aid use was marginally higher in the intervention group compared with the control group (between-group difference = 1.94 hours, 95%CI = -1.24, 5.12, d = .43). At follow-up, participants in the intervention group were significantly less anxious about aging and more accepting of older people than were participants in the control group (between-group difference = 0.75, 95%CI = 0.26, 1.22, d = .87). There was no statistically significant effect of the intervention on behavioural intention or self-efficacy.
Conclusions. Although not statistically significant, the magnitude of the effect of the intervention on hearing aid use (d = .43) suggests that it would be worthwhile working towards a fully-powered randomized controlled trial. The ability to reduce anxieties about aging with this brief intervention could have far-reaching benefits for multiple patient and general population groups.
- hearing aid use
- Behaviour change
- hearing aid prescription
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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.