A school lameness survey was done on a sample of primary school children of the age 7 13 years in Khartoum province during late 1982. The main objectives were to calculate the prevalence of residual paralysis due to poliomyelitis among the study population and to evaluate some of the disease determinats such as age of onset; sex, urban rural differences and seasonal variation. The method used d...

"This study investigates the influence of school quality (measured at the high school level) on 1980 to 1990 population and employment change for nonmetropolitan fringe and hinterland census tracts in South Carolina. A Boarnet variation of the Carlino-Mills model is used to examine the interdependence of population and employment change.... Results...indicate that fringe tracts' population gro...

This ecologic study evaluated the association between school policy allowing students to purchase sports drinks from school vending machines and school stores and student body mass index (BMI). Data were from surveillance surveys of Minnesota secondary schools (n = 238) and students (n = 59,617), administered in 2012 and 2013, respectively. We used generalized linear models to assess the associ...

Although prior research has documented differences in the distribution of teacher characteristics across schools serving different student populations, few studies have examined the extent to which teacher sorting occurs within schools. This study uses data from one large urban school district and compares the class assignments of teachers who teach in the same grade and in the same school in a...

PURPOSE Constipation is a common pediatric problem worldwide. This study aims to describe the clinical characteristics of pediatric constipation in south Jordan according to gender and age group. METHODS All patients with constipation managed at our pediatric gastroenterology service between September 2009 and December 2012 were included. Hospital charts were reviewed. Demographic data, clini...

BACKGROUND Physical activity (PA) rates decline among most high school female students, and due to cultural restrictions, the reduction of physical activity might be exacerbated in female Iranian adolescents. OBJECTIVE To determine the effects of the physical activity education theory-based intervention to promote activity among adolescent girls. METHODS This randomized clinical trial was c...

OBJECTIVE To study the associations between: 1) number of permanent outdoor play facilities per pupil and 2) the size of the outdoor play area per pupil with sedentary time and physical activity (PA) during school hours in six-, nine-, and 15-year olds. We conducted a cross-sectional study of nationally representative samples of Norwegian six- (n = 1071), nine- (n = 1421) and 15-year-olds (n = ...

PURPOSE Explore the importance of residential mobility and use of services outside neighborhoods when interventions targeting low-income families are planned and implemented. DESIGN Analysis of cross-sectional telephone household survey data on childhood mobility and school enrollment in four large distressed cities. SETTING Baltimore, Maryland; Detroit, Michigan; Philadelphia, Pennsylvania...