Here is another study, as early as 2008 that shows similar results: Objective: We sought to determine the prevalence of PA among Israeli and UK Jewish children

Here is another study, as early as 2008 that shows similar results: Objective: We sought to determine the prevalence of PA among Israeli and UK Jewish children and evaluate the relationship of PA to infant and maternal peanut consumption https://pubmed.ncbi.nlm.nih.gov/19000582/ https://pubmed.ncbi.nlm.nih.gov/19000582/