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Bolte G.,University of Bremen | Bolte G.,Bavarian Health and Food SafetyAuthority | Nennstiel-Ratzel U.,Bavarian Health and Food SafetyAuthority | Stilianakis N.I.,European Commission - Joint Research Center Ispra | And 25 more authors.
International Journal of Hygiene and Environmental Health | Year: 2016

Aim: It has been reported that a great proportion of mental health disorders have an origin in early childhood. In order to evaluate factors possibly associated with children's health, the health monitoring units have been established since 2004 in six study regions in Bavaria, Germany. The second health monitoring survey, implemented in 2005-06, focuses on the mental health status of preschool children. The goal of this study is (1) to examine the association of sociodemographic and environmental factors with mental health and (2) to analyze the applicability of the results of the health monitoring units to all preschool children in Bavaria by calculating weighting factors. Methods: Data on 6206 preschool children are available. Logistic regression analysis is applied to analyze possible associations with mental health. A weighting method is applied to correct for deviances compared to the whole population of preschool children in Bavaria (N = 132,783). Results: 11% of preschool children show mental health problems. Regarding different indicators of sociodemographic status, low household income [unadjusted OR 3.34, 95% CI: 2.23-4.98] shows the strongest association of mental health problems. Non-accessibility of green space [unadjusted OR 2.74, 95% CI: 1.87-4.00] is also strongly associated with mental health. The results of the unweighted and weighted analysis are similar. Conclusion: Our findings suggest that sociodemographic status and factors in the living environment show associations with mental health of children. Based on the results of the unweighted and weighted analyses, the second health monitoring analysis shows little deviances compared to data of all Bavarian preschool children. Therefore, the results can be compared to all Bavarian preschool children. © 2016 Elsevier GmbH.

Dreger S.,University of Bremen | Meyer N.,Bavarian Health and Food Safety Authority | Fromme H.,Bavarian Health and Food Safety Authority | Bolte G.,University of Bremen | And 14 more authors.
Environmental Research | Year: 2015

Background: Environmental noise is considered a threat to public health as 20% of the EU population is exposed to health influencing noise levels. An association of noise and mental health problems in children has been suggested by some studies, but results are not consistent and there are no longitudinal studies of this association. Our aim was to investigate the influence of different environmental noise sources at children's homes on incident mental health problems in school-aged children. Method: A cohort study of children from first (t0) to fourth grade (t1) of primary school was conducted. Different environmental noise sources (day/night separately) at children's home were assessed via parental annoyance reports. Increased noise exposure between t0 and t1 was the exposure variable. Incident mental health problems were assessed with the parental version of the Strengths and Difficulties Questionnaire (SDQ). RRs and 95% CIs were analysed to investigate the association between different noise sources and incident mental health problems. Results: The study population consisted of 583 boys and 602 girls. The most common increase in noise exposure between t0 and t1 was road traffic noise day (26.38%). After adjusting for covariates exposure to road traffic night was significantly associated with the total difficulties score (RR=2.06; 95% CI=1.25-3.40), emotional symptoms (RR=1.69, 95% CI=1.04-2.72), and conduct problems (RR=1.57, 95% CI=1.04-2.38). Noise by neighbours during the day was associated with conduct problems (RR=1.62, 95% CI=1.11-2.40) and hyperactivity (RR=1.69, 95% CI=1.08-2.65). Aircraft noise day and construction work day were not associated with any of the SDQ categories at a significant level. Conclusion: Environmental noise is an important public health problem. This is the first study to investigate the association of a broad range of noise sources and incident mental health problems in children in a cohort study. Our results suggest that exposure to noise at children's home is associated with mental health problems such as emotional symptoms, conduct problems and hyperactivity. © 2015 Elsevier Inc..

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