background and purpose: the age of the onset of obsessive-compulsive disorder (ocd) and its manifestation is now identified at childhood. in the present study, we aimed to epidemiologically assess ocd and its main determinants in school-age children. materials and methods: this cross-sectional study was performed on 600 consecutive schoolage children (7-12 years old) in primary schools at kerma...

Mortality rates have declined for low birth weight and extremely low birth weight infants. Yet, the consequences of survival for these children may be adverse developmental outcomes. Few studies to date have examined school-age outcomes for these children. The participants in this study represented a population-based cohort of Florida children who were born between 1982 and 1984 and who were re...

Two blood pressure (BP) measurements separated by 3 months were performed according to international guidelines on 2976 students (11 to 19 years) of different economic levels. Obesity was defined based upon height and weight. With the first measurements, 59th and 95th percentile value distribution curves were defined. Systolic hypertension (SH) was found in 9.5%; 10.2% were males and 8.9% femal...

STUDY OBJECTIVE The purpose of the study was to assess the attention level of middle-school students by providing a group of students with the opportunity for an additional one hour of sleep in the morning by delaying school starting time by one hour, as compared to another group received no additional sleep. METHOD For the first week of the study, the school starting time was delayed 1 h for...

accidents are one of the mortality reasons and most important agents of disability in primary school children. in this research, educational needs of 10-12 years old children who studied in fourth and fifth class in governmental primary schools of tehran city about accident prevention are assessed by questionnaire. results showed that majority of children had correct performance and had low edu...

Some of the children who find their way into ungraded schools have been retarded in their school progress because of reading disability. It is known that success in all other school subjects is dependent upon the ability to read for content. For this reason the value of remedial reading instruction can not be over-estimated. This study presents an analysis of the reading attainment of 800 entra...

A longitudinal study through puberty of the height and weight of 96 boys and 102 girls in schools in and around the city of Leeds was conducted. Data for height and weight and height and weight velocities are presented, which are based on chronological age and on age relative to the age of peak height velocity. Comparison was made with the Tanner standards: male puberty developed a little later...

The optimum time students should spend on homework has been widely researched although the results are far from unanimous. The main objective of this research is to analyze how homework assignment strategies in schools affect students' academic performance and the differences in students' time spent on homework. Participants were a representative sample of Spanish adolescents (N = 26,543) with ...