Income level and the risk of incident dementia among adults aged 50 with newly diagnosed type 2 diabetes: a population-based cohort study using the NHIS-Senior database in South Korea

CONCLUSIONS: Among middle-aged and older adults with newly diagnosed T2DM, having a lower income was significantly associated with elevated dementia risks, with the greatest risk observed among low-income women. The association between income level and dementia risk differed by dementia subtype, with vascular dementia and Alzheimer's disease being more prevalent among low-income men and low-income women, respectively. These findings highlight the need for sex-specific and income-specific...