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CONTEXT Although violence among US youth is a current major concern, bullying is infrequently addressed and no national data on the prevalence of bullying are available. OBJECTIVES To measure the prevalence of bullying behaviors among US youth and to determine the association of bullying and being bullied with indicators of psychosocial adjustment,(More)
BACKGROUND There have been no large-scale international comparisons on bullying and health among adolescents. This study examined the association between bullying and physical and psychological symptoms among adolescents in 28 countries. METHODS This international cross-sectional survey included 123,227 students 11, 13 and 15 years of age from a(More)
BACKGROUND Multiple risk behavior plays an important role in the social etiology of youth injury, yet the consistency of this observation has not been examined multinationally. OBJECTIVE To examine reports from young people in 12 countries, by country, age group, sex, and injury type, to quantify the strength and consistency of this association. SETTING(More)
BACKGROUND Violent behavior among adolescents is a significant problem worldwide, and a cross-national comparison of adolescent violent behaviors can provide information about the development and pattern of physical violence in young adolescents. OBJECTIVES To determine and compare frequencies of adolescent violence-related behaviors in 5 countries and to(More)
The availability of MRI has turned out to have less impact on the epidemiology of MS than originally expected. Only 3/69 patients diagnosed between 1986 and 1990 in the epidemiologic area of South Lower Saxony (Germany) would have been missed without MRI. However in 18/50 patients the diagnostic classification changed, mostly from possible to probable MS.(More)
OBJECTIVE To ascertain the impact of literacy level on parents' understanding of medical information and ability to follow therapy prescribed for their children. DESIGN/METHODS A prospective cohort of parents accompanying their children for acute care. Parents were interviewed about demographic status, their child's health, and use of pediatric preventive(More)
Increasing recognition that children may be more susceptible than adults to environmental exposures and that they experience potentially life-long consequences of such exposures has led to widespread support for a large new cohort study in the United States. In this article, we propose a framework for a new cohort study of children, with follow-up beginning(More)
OBJECTIVE To determine factors associated with variation in bicycle helmet use by youth of different industrialized countries. DESIGN A multinational cross sectional nationally representative survey of health behaviors including symptoms, risk taking, school setting, and family context. SETTING School based survey of 26 countries. SUBJECTS School(More)
five Vanguard locations will join them, followed by 29 additional locations in 2010 and more in the following 2 years. The NCS, a national longitudinal cohort study of 100,000 children to be followed from early pregnancy to adulthood, will examine how environmental exposures, interacting with genetic factors and medical access, affect children's health and(More)
OBJECTIVE How can patients and staff participate in redesigning psychiatric procedures through survey research? METHODS Using interviews with circular-hypothetical questioning, 58 patients and 30 staff members of a psychiatric department of a general hospital were interviewed about their preferences for change and continuity in clinical practices, and(More)
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