PurposeTo examine whether traditional and cyber bullying victimization were associated with adolescent's mental health problems and suicidal ideation at two-year follow-up. Gender differences were explored to determine whether bullying affects boys and girls differently.MethodsA two-year longitudinal study was conducted among first-year secondary school students (N = 3181). Traditional and cyber bullying victimization were assessed at baseline, whereas mental health status and suicidal ideation were assessed at baseline and follow-up by means of self-report questionnaires. Logistic regression analyses were conducted to assess associations between these variables while controlling for baseline problems. Additionally, we tested whether gender differences in mental health and suicidal ideation were present for the two types of bullying.ResultsThere was a significant interaction between gender and traditional bullying victimization and between gender and cyber bullying victimization on mental health problems. Among boys, traditional and cyber bullying victimization were not related to mental health problems after controlling for baseline mental health. Among girls, both traditional and cyber bullying victimization were associated with mental health problems after controlling for baseline mental health. No significant interaction between gender and traditional or cyber bullying victimization on suicidal ideation was found. Traditional bullying victimization was associated with suicidal ideation, whereas cyber bullying victimization was not associated with suicidal ideation after controlling for baseline suicidal ideation.ConclusionsTraditional bullying victimization is associated with an increased risk of suicidal ideation, whereas traditional, as well as cyber bullying victimization is associated with an increased risk of mental health problems among girls. These findings stress the importance of programs aimed at reducing bullying behavior, especially because early-onset mental health problems may pose a risk for the development of psychiatric disorders in adulthood.

OBJECTIVES. This study examined the factor structure of the self-report Strengths and Difficulties Questionnaire, paying special attention to the number of factors and to negative effects of reverse-worded items and minor factors within the subscales on model fit. Furthermore, factorial invariance across gender, age, level of education, and ethnicity was investigated. DESIGN. Data were obtained from the Youth Health Monitor Rotterdam, a community-based health surveillance system. METHODS. The sample consisted of 11,881 pupils of 11-16 years old. Next to the original five-factor model, a factor model with the number of factors based on parallel analysis and scree test was investigated. Confirmatory factor analysis for ordered-categorical measures was applied to examine the goodness-of-fit and factorial invariance of the factor models. RESULTS. After allowing reverse-worded items to cross-load on the prosocial behaviour factor and adding error correlations, a good fit to the data was found for the original five-factor model (emotional symptoms, conduct problems, hyperactivity-inattention, peer problems, prosocial behaviour) and a model with four factors (emotional symptoms and peer problems, conduct problems, hyperactivity-inattention, prosocial behaviour). Factorial invariance across gender, age, level of education, and ethnicity was found for the final five- and four-factor model, except for the prosocial factor of the four-factor model that showed partial invariance across gender. Conclusions. While support was found for both models, the final five-factor model is theoretically more plausible and gained additional support as the original scales emotional problems and peer problems showed different relations with gender, educational level, and ethnicity.

Background/Aims: Monitoring overweight prevalence and its trends in Dutch youth is frequently based on self-reported data. The validity of self-reported data especially in young adolescents is not sufficiently known. The purpose of this study is to study the validity of self-reported height and weight in 12- to 13-year-olds, to identify sociodemographic correlates and to explore whether correction factors can be developed to estimate the prevalence of overweight in youth. Methods: 5,525 12- to 13-year-old pupils in the Rotterdam area filled in a confidential questionnaire on health topics, including their height and weight. In a sub-sample of 499 pupils both self-reported and measured height and weight were available. Results: Self-reported data led to a considerable underestimation of Body Mass Index and consequently the prevalence of overweight. Underestimation was higher in pupils who regarded themselves as more fat, were of non-Dutch origin and in lower education levels. Conclusion: Self-reported height and weight appeared to be inappropriate to estimate the overweight prevalence in 12- to 13-year-olds, unless the figures were adjusted. Using adjusted self-reported BMI on an individual level is questionable. Actual measurements of height and weight are necessary to draw up valid correction formulas in new samples.

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The findings suggest that in a controlled school setting, web-based administration of health indicators yields almost the same results as paper-and-pencil administration. To generalize these findings, we recommend repeated studies in other populations and settings.

In a multiethnic community sample of 1,170 preadolescent children, it was investigated whether discrepancies in parent-child reports of internalizing problems are related with gender, ethnic background (Dutch, Surinamese/ Antillean, Moroccan, Turkish, Other) and with future internalizing problems. No significant differences in discrepancy scores between boys and girls were found. Parent-child disagreement of internalizing problems varied across ethnic groups, with significant differences among children from Surinamese/ Antillean (children reporting more internalizing problems than their parents) and Turkish background (parents reporting more internalizing problems than their children). Disagreement between parents and their preadolescent child significantly contributed to the prediction of self-reported internalizing problems in early adolescence. For the early identification of internalizing problems, it is recommended to include both parent and child self-reports as part of routine health examinations in the setting of preventive youth health care because when parents underreport problems relative to their child, this can predict future internalizing problems.

ObjectiveTo estimate the extent to which exposure to music through earphones or headphones with MP3 players or at discotheques and pop/rock concerts exceeded current occupational safety standards for noise exposure, to examine the extent to which temporary and permanent hearing-related symptoms were reported, and to examine whether the experience of permanent symptoms was associated with adverse perceived general and mental health, symptoms of depression, and thoughts about suicide.MethodsA total of 943 students in Dutch inner-city senior-secondary vocational schools completed questionnaires about their sociodemographics, music listening behaviors and health. Multiple logistic regression analyses were used to examine associations.ResultsAbout 60% exceeded safety standards for occupational noise exposure; about one third as a result of listening to MP3 players. About 10% of the participants experienced permanent hearing-related symptoms. Temporary hearing symptoms that occurred after using an MP3 player or going to a discotheque or pop/rock concert were associated with exposure to high-volume music. However, compared to participants not experiencing permanent hearing-related symptoms, those experiencing permanent symptoms were less often exposed to high volume music. Furthermore, they reported at least two times more often symptoms of depression, thoughts about suicide and adverse self-assessed general and mental health.ConclusionsRisky music-listening behaviors continue up to at least the age of 25 years. Permanent hearing-related symptoms are associated with people’s health and wellbeing. Participants experiencing such symptoms appeared to have changed their behavior to be less risky. In order to induce behavior change before permanent and irreversible hearing-related symptoms occur, preventive measurements concerning hearing health are needed.

Objective. Although Western Europe is becoming increasingly multicultural, ethnic minorities are scarcely included in studies of suicidology. We investigated the prevalence of non-fatal suicidal behavior and examined risk factors in nonwestern female immigrant adolescents compared to majority female adolescents in the city of Rotterdam, the Netherlands. Design. We conducted logistic regression on a dataset that consisted of selfreported health and well-being questionnaires filled out by 4527 adolescents of Dutch, South Asian-Surinamese, Moroccan, and Turkish origin. We examined whether young females of specific ethnic groups had elevated risk for attempted suicide. Well-known risk factors in suicidology of social economic class, level of education, life events, abuse, and family context were investigated to verify whether these factors are beneficial to explaining ethnic differences in suicidal behavior. Results. We found that rates of attempted suicide among Turkish and South Asian-Surinamese young women were higher than of Dutch females, while Moroccan females had lower rates than Dutch female adolescents. Physical and sexual abuse, and an impaired family environment, as well as parental psychopathology or parental substance abuse contributed to non-fatal suicidal behavior of females across ethnicities. However, these risk factors, as well as low social economic class and of level of education, did not fully explain the vulnerability of Turkish and South Asian-Surinamese females. Conclusion. Our findings underscored the need for developing suicide prevention for specific minority females in multicultural cities in Western Europe. Screening programs, which aim at preventing suicide attempts by young immigrant women should include risk factors in the family environment and relationship with the parents as well as physical and sexual abuse. However, the study also showed that the disproportionate risk of Turkish and South Asian-Surinamese females could not be understood by risk factors alone and transpired that the origins of ethnic disparities in suicidal behavior deserve further examination.