Adjusted analysis
depression
SECONDARY
In addition to the model described above, sensitivity analysis will be conducted by adjusting the model with the following fixed effects: age, gender, educational attainment, hearing aid indication, and depression according to the PHQ-9 measured during baseline. Adjusted fixed effects estimates will be reported with their 95% confidence intervals. The model equation for the adjusted model will look as follows:Unadjusted and adjusted models will also be fitted for the secondary outcomes.