a trend toward significanceP = 0.05
When added as a covariate to the primary apathy model, SSRI use showed a trend toward significance ( β = 0.75, 95% CI −0.001–1.49, P = 0.05), while the association between change in anxiety and apathy remained robust ( β = 1.57, 95% CI 0.73–2.44, P = 0.0003).