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Aim
To examine the effects of diabetes, low income and their combination on mortality in the Korean population.
Methods
We analysed a total of 505 677 people (53.9% male) aged 40–79 years old from the National Health Insurance Service‐National Health Screening (NHIS‐HEALS) cohort. Ten levels of household income were used as indicators of economic status. Diabetes was defined as elevated fasting...