Hassan Bella Salih Saad Al-Ansari is Supervisor General, Family Medicine Program, and Director General of Health Affairs for Primary Health Care, Al Madinah, Saudi Arabia. Hassan Bella is Associate Professor, Department of Family and Community Medicine, King Faisal University, Dammam, Saudi Arabia. This study was supported by the Prince Salman Center for Disability Research, Riyadh, Saudi Arabia. Developmental milestones acquired by children are affected by environmental factors, including place of residence.
Developmental norms published on Denver children are an acceptable international reference.
The objectives of this study were to highlight variations in developmental norms of Madinah children and published norms on Denver children. The sample used in comparison included 636 normal children selected randomly from urban Madinah. Results ascertained the ages at which Madinah children achieved 104 R-PDQ items. Comparison has shown differences between child development in Madinah and Denver children. Differences were more apparent in fine-motor and language skills in favour of Denver children.