This study focuses on Attention-deficit/hyperactivity disorder (ADHD) is a childhood-onset neurodevelopmental disorder that usually persists into adulthood. However, limited evidence is available regarding its influence on adult health outcomes beyond neuropsychiatric comorbidities. This study aimed to examine the association of ADHD with diabetes in US adults. We analyzed data from the National Health Interview Survey (NHIS), a leading health survey of a nationally representative sample in the United States. We included adults aged 20-79 years who participated in the NHIS 2007 and 2012. Physician-diagnosed ADHD and diabetes were reported during an in-person household interview. Logistic regression with survey sampling weights was used to estimate the odds ratio (OR) and 95% confidence interval (CI) of diabetes. This analysis included 52 821 adults (weighted mean age 45.5 years; 48.6% males). Among them, 1642 participants reported a diagnosis of ADHD and 4631 reported a diagnosis of diabetes. In the multivariable analysis adjusting for age, sex, race/ethnicity, education level, family income level, smoking, alcohol drinking, physical activity, and body mass index, the OR of diabetes among adults with ADHD vs those without ADHD was 1.54 (95% CI, 1.16-2.04). In the stratified analyses, the significant association of ADHD with diabetes remained in most strata, and the associations were not significantly modified by age, sex, race/ethnicity, or obesity status.

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