A comparison of the performance of normal middle social class Egyptian infants and toddlers with the reference norms of the Bayley Scales -third edition (Bayley III): A pilot study.

Background: Developmental assessment is an important facility for early detection and intervention of developmental delay in children. Objective: to assess the performance of a sample of middle social class Egyptian infants and toddlers on Bayley Scales of Infant and Toddler Development-third edition (Bayley III), and to compare their cognitive, motor, and communication scores with that of the reference norms.

Methods: It was a cross-sectional pilot study, included 270 children aged 18-42 months.

Academic Achievement and Psychosocial Profile of Egyptian Primary School Children in South Sinai.

Background: Population of South Sinai has suffered from negligence for many years. Solving educational problems of this population is the main concern nowadays.

Aim: To assess academic achievement in primary school children in South Sinai in relation to intelligence and psychosocial profile.

Predictors of Serum 25-Hydroxyvitamin D Concentrations among a Sample of Egyptian Schoolchildren.

Objective: To assess the level of 25-hydroxyvitamin D status among a sample of Egyptian schoolchildren and to evaluate predictors of deficiency and insufficiency.

Subjects And Methods: A cross-sectional study comprising 200 prepubescent schoolchildren aged from 9 to 11 years was performed. A questionnaire including frequency of midday sun exposure, milk intake, physical activity, and level of maternal education was taken.