{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T17:03:38Z","timestamp":1792602218950,"version":"4.5.0"},"reference-count":36,"publisher":"American Chemical Society (ACS)","issue":"2","license":[{"start":{"date-parts":[[2017,12,29]],"date-time":"2017-12-29T00:00:00Z","timestamp":1514505600000},"content-version":"vor","delay-in-days":913,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Exposure to traffic noise has been associated with adverse effects on neuropsychological outcomes in children, but findings with regard to behavioral problems are inconsistent.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>We investigated whether residential road traffic noise exposure is associated with behavioral problems in 7-year-old children.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We identified 46,940 children from the Danish National Birth Cohort with complete information on behavioral problems at 7 years of age and complete address history from conception to 7 years of age. Road traffic noise (Lden) was modeled at all present and historical addresses. Behavioral problems were assessed by the parent-reported Strengths and Difficulties Questionnaire (SDQ). Associations between pregnancy and childhood exposure to noise and behavioral problems were analyzed by multinomial or logistic regression and adjusted for potential confounders.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A 10-dB increase in average time-weighted road traffic noise exposure from birth to 7 years of age was associated with a 7% increase (95% CI: 1.00, 1.14) in abnormal versus normal total difficulties scores; 5% (95% CI: 1.00, 1.10) and 9% (95% CI: 1.03, 1.18) increases in borderline and abnormal hyperactivity\/inattention subscale scores, respectively; and 5% (95% CI: 0.98, 1.14) and 6% (95% CI: 0.99, 1.12) increases in abnormal conduct problem and peer relationship problem subscale scores, respectively. Exposure to road traffic noise during pregnancy was not associated with child behavioral problems at 7 years of age.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Residential road traffic noise in early childhood may be associated with behavioral problems, particularly hyperactivity\/inattention symptoms.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Citation<\/jats:title>\n                    <jats:p>Hjortebjerg D, Andersen AM, Christensen JS, Ketzel M, Raaschou-Nielsen O, Sunyer J, Julvez J, Forns J, S\u00f8rensen M. 2016. Exposure to road traffic noise and behavioral problems in 7-year-old children: a cohort study. Environ Health Perspect 124:228\u2013234;\u2002http:\/\/dx.doi.org\/10.1289\/ehp.1409430<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1289\/ehp.1409430","type":"journal-article","created":{"date-parts":[[2015,6,30]],"date-time":"2015-06-30T12:03:17Z","timestamp":1435665797000},"page":"228-234","source":"Crossref","is-referenced-by-count":69,"title":["Exposure to Road Traffic Noise and Behavioral Problems in 7-Year-Old Children: A Cohort Study"],"prefix":"10.1021","volume":"124","author":[{"given":"Dorrit","family":"Hjortebjerg","sequence":"first","affiliation":[{"name":"Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne Marie Nybo","family":"Andersen","sequence":"additional","affiliation":[{"name":"Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeppe Schultz","family":"Christensen","sequence":"additional","affiliation":[{"name":"Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"Ketzel","sequence":"additional","affiliation":[{"name":"Department of Environmental Science, Aarhus University, Roskilde, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ole","family":"Raaschou-Nielsen","sequence":"additional","affiliation":[{"name":"Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jordi","family":"Sunyer","sequence":"additional","affiliation":[{"name":"Center for Research in Environmental Epidemiology, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jordi","family":"Julvez","sequence":"additional","affiliation":[{"name":"Center for Research in Environmental Epidemiology, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joan","family":"Forns","sequence":"additional","affiliation":[{"name":"Department of Genes and Environment, Norwegian Institute of Public Health, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mette","family":"S\u00f8rensen","sequence":"additional","affiliation":[{"name":"Danish Cancer Society Research Centre, Danish Cancer Society, Copenhagen, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2015,6,30]]},"reference":[{"key":"2026080607044345100_micit1","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1093\/sleep\/34.1.11","article-title":"Single and combined effects of air, road, and rail traffic noise on sleep and 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