The relationship between poverty and neurodevelopmental diagnoses like ADHD and autism depends heavily on how a country structures its healthcare. In systems with universal coverage, such as many European nations, access to specialists is often more equitable; this can lead to higher diagnosis rates in low-income groups because financial barriers are reduced. In these environments, the correlation between poverty and missed diagnoses is often weaker because the state subsidizes the assessment process.
In contrast, countries with private or market-based healthcare models often see a much stronger correlation between poverty and lower diagnosis rates. In these settings, the high cost of clinical evaluations and specialized testing can make it difficult for families with low income to access a formal diagnosis. This creates a gap where children from wealthier families receive support while those in poverty remain undiagnosed. Therefore, the type of healthcare model determines whether poverty acts as a barrier to identification or if the system allows for more consistent diagnostic patterns across different social classes.
