BACKGROUND AND AIMS Dental caries is one of the most prevalent chronic diseases in children and DMFT index is the most important quantitative factor for measuring tooth health. The purpose of the present study was to determine prevalence and bilateral occurrence of first permanent molar caries in 12-year-old Iranian students. MATERIALS AND METHODS This cross-sectional study was carried out on...

In this research, the objective is to determine the level of knowledge, the sources of information and the behavior of adolescent male and female students in Turkey on the matter of reproductive health. The sample is comprised of 600 students randomly chosen from four different elementary schools. The survey form was used for data collection. In analyzing the data, we calculated averages and pe...

OBJECTIVE To examine the relationship between mental distress, academic performance and regular breakfast consumption across gender and immigration status. DESIGN Cross-sectional population-based study. Two four-page questionnaires were filled in during two school sessions. SETTING All junior high schools in Oslo, Norway using the classroom as the setting for the study. SUBJECTS All 10th ...

The frequency and pattern of obesity in survivors of acute lymphoblastic leukaemia (ALL) was examined in a retrospective analysis of height and weight at zero, two, and four years from diagnosis in 40 children (19 boys and 21 girls). The children had been treated according to the Medical Research Council protocols UKALL VIII and X, both of which included cranial radiotherapy at a dose of 1800 c...

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...

PURPOSE The purpose of this paper was two-fold: 1) to present a method of normalizing data for differences in body size that is consistent with the dimensional relationship between mass and power, and can be universally applied to subjects of any age, sex, or size without statistical cross-validation; and 2) to apply the model to data gathered from boys, girls, men, and women to determine wheth...

This paper aims to analyze alcohol abuse and unprotected sex and the association between them in students in a city in the southern region of Brazil. This is a cross-sectional study using a quantitative approach with 590 secondary school students from two public schools. Regarding alcohol use, 14% scored from eight to 40 in The Alcohol Use Disorders Identification Test (AUDIT), which means, at ...