Developmental referrals of pre-school children in a diverse community in England: The importance of parental migration for referral rates.

Referral is a proxy for diagnosis, not a confirmed clinical outcome; it reflects professional concern rather than confirmed pathology. The study could not adjust for confounding factors such as parental education, socio-economic status, or birth weight. Closed case files were excluded, which may have introduced bias if case closure rates differed by ethnicity. Non-attendances after referral were not included, potentially under-representing groups who face barriers to accessing services. The sample size was too small to stratify analysis by both migrant status and ethnicity simultaneously.

The study was based on routine service data from Sirona Care and Health Community Interest Company. No specific funding sources or author conflicts of interest were declared in the provided text.

Do not interpret the high referral rates as proof of higher disease incidence. The study measures referrals, not diagnoses, and cannot rule out that these families are referred later or more frequently due to language barriers, cultural differences in help-seeking, or professional uncertainty, rather than a true biological increase in developmental disorders.