OBJECTIVE The purpose of this study is to investigate factors influencing the osteo-sono assessment index (OSI) in junior high school students (boys, girls who had reached menarche, and girls who had not). METHODS A total of 9,743 students (4,974 boys and 4,769 girls) in Ehime Prefecture participated in this study. We measured body mass index (BMI) and calcaneal bone mass using OSI. In parall...

UNLABELLED (Full text is available at http://www.manu.edu.mk/prilozi). The aim of the study was to assess the gender influence on the main determinants of sexual behaviour of senior high-school students in Skopje, R. Macedonia (prevalence and age of onset of sexual activity, duration of the relationship before and the contraceptive method used during the first sexual intercourse, and number of ...

BACKGROUND The purposes of this study were to determine if a) gender moderated the relationship between self-efficacy and physical activity (PA) among youth in Alberta, Canada, and, alternatively b) if self-efficacy mediated the relationship between gender and PA. METHODS A novel web-based tool was used to survey a regionally diverse sample of 4779 students (boys = 2222, girls = 2557) from 11...

OBJECTIVES This study investigated factors associated with the ability of Japanese junior high school students to recognize the signs of dating violence. METHODS During a period of 20 months (from June 2011 to January 2013), a survey was distributed to 3340 students aged 13-15 years in the second and third grades at 18 junior high schools in a Japanese prefecture. The survey examined gender, ...

OBJECTIVE To determine the occurrence of subclinical rickets and its causing factors among adolescent students of schools in Kaghan Valley, Pakistan. STUDY DESIGN Observation cross-sectional study. PLACE AND DURATION OF STUDY Department of Biochemistry and Health Sciences, Hazara University, Mansehra, Ayub Medical College and Teaching Hospital, Abbottabad, from March to April 2012. METHOD...

The study was conducted to explore aggression in boys and girls as related to their academic achievement and residential background in Bangladesh. Stratified random sampling technique was used and total 80 respondents constituted the sample of the study. They were equally divided into boys and girls. Each group was again equally divided into high and low grade. Each subgroup was again equally d...

The number of underrepresented minorities (URMs; black or African American, Hispanic or Latino, American Indian or Alaska Native, Native Hawaiian or other Pacific Islander) among US medical school faculty is markedly low when compared with their respective percent representation of the US population. Women URMs are doubly underrepresented, particularly as the academic rank advances from the ins...

AIM The present study investigates the evolution of illicit drug use among Romanian university students from 1999 to 2011. METHODS The study was performed in Cluj-Napoca, Romania, in three phases: in 1999 (T1), in 2003 (T2) and in 2011 (T3). The study was carried out by means of anonymous questionnaires among university students aged 19-24. RESULTS The results show that among girls the life...

interventions in the writing self-efficacy calibration of students with learning disabilities (LD). 121 5th and 6th Primary grade students with LD (43 girls and 78 boys), ranging in age from 10 to 12 years old were randomly allocated either to one of the experimental intervention groups, (n = 48, 19 girls and 29 boys), and followed a intervention program based on the Self-Regulated Strategy Dev...

This paper provides experimental evidence on the relationship between education and early fertility in a developing country. We exploit experimental variation in the cost of education for a cohort of 18,000 students in Western Kenya. Students in Kenyan primary schools wear uniforms which typically cost about $6. In 163 schools randomly selected from among 328, students enrolled in grade 6 at ba...