Willem van Veghel, Suzanne C van Dijk, Taco Mal Klem, Angelique E Weel, Jean-Bart Bügel, Erwin Birnie
Is the QCI framework suited for monitoring outcomes and costs in a teaching hospital using value-based healthcare principles? A retrospective cohort study
BMJ open
noise major issue children due effect emotional symptoms sleep problems present study investigated effect noise sleep autonomic activity children according three variables namely road traffic noise aircraft noise noise sensitivity ns study epidemiological nature total 474 subjects four elementary schools evaluated conjunction 2014 noise map data gathered two metropolitan regions seoul ulsan south korea subject completed childrens sleep habits questionnaire heart rate variability hrv recorded analysis covariance performed using monthly income covariate aircraft noise associated night waking p 0047 whereas significant association observed sleep road traffic noise stratifying ns significant results obtained road traffic noise however high levels aircraft noise highns group associated high degrees bedtime resistance p 0049 terms hrv significant difference observed results groups road traffic noise significantly alter sleep autonomic activity children whereas aircraft noise exerted negative effect sleep findings suggest impact noise sleep children varies depending noise sources