marginal significancep=0.090
Categorical analysis revealed particularly strong effects for moderate-to-severe depression (PHQ-9 ≥10) versus minimal symptoms (PHQ-9, 0–4): DSST (OR=2.562, 95% CI: 1.432–4.584, p=0.004), AFT (OR=1.834, 95% CI: 1.239–2.714, p=0.005), with CERAD showing marginal significance (OR=1.454, 95% CI: 0.936–2.259, p=0.090).