AIP and Cognitive impairment: In particular, participants in the higher AIP quartiles (Q2: odds ratio [OR]: 1.45, 95% confidence interval [CI]: 1.24–1.69, P < 0.001, Q3: OR: 1.63, 95% CI: 1.40–1.91, P < 0.001, and Q4: OR: 1.68, 95% CI: 1.43–1.98, P < 0.001) showed an increased risk of cognitive impairment compared to those in the lowest quartile (Q1).