Physiological and psychological stress reactions in relation to classroom noise.

OBJECTIVES This study tested the hypothesis that classroom noise is related to stress reactions among primary school children. Stress was monitored via symptoms of fatigue and headache, systolic blood pressure, reduced diurnal cortisol variation, and indicators of emotional distress. METHODS In three classrooms of pupils in the fourth grade (10 years of age), daily measurements of equivalent sound levels (Leq) were made during 4 weeks, evenly distributed from September to December. One day each week of the study, the pupils answered a questionnaire about disturbance and symptoms, and blood pressure and salivary cortisol were measured. In the first and fourth week, the children also performed a standardized drawing test concerning emotional indicators. RESULTS Daily measurements of equivalent sound levels in the classes (Leq during schoolday) ranged from 59 to 87 dB(A). Equivalent sound-levels were significantly related to an increased prevalence of symptoms of fatigue and headache and a reduced diurnal cortisol variability. Blood pressure and emotional indicators were not significantly related to sound levels. CONCLUSIONS Current sound levels in Swedish classrooms may have a negative health impact, being directly or indirectly related to stress reactions among children. This finding indicates that noise should be focused on as a risk factor in the school environment.

[1]  Dirk H. Hellhammer,et al.  The cortisol awakening response - normal values and confounds. , 2000, Noise & health.

[2]  Z. Obmiński,et al.  Effects of music treatment on salivary cortisol in patients exposed to pre-surgical stress. , 2009, Experimental and clinical endocrinology.

[3]  L. Metsähonkala,et al.  Social Environment and Headache in 8‐ to 9‐Year‐Old Children: A Follow‐up Study , 1998, Headache.

[4]  J. Sassin,et al.  Seasonal patterns of sleep stages and secretion of cortisol and growth hormone during 24 hour periods in northern Norway. , 1975, Acta endocrinologica.

[5]  B. Larsson,et al.  Psychosocial Functioning in Schoolchildren With Recurrent Headaches , 1996, Headache.

[6]  H. Persky,et al.  Psychological Stress and Endocrine Functions: Blood Levels of Adrenocortical and Thyroid Hormones in Acutely Disturbed Patients , 1956, Psychosomatic medicine.

[7]  G. Bluhm,et al.  Saliva cortisol--a new approach in noise research to study stress effects. , 2005, International journal of hygiene and environmental health.

[8]  Staffan Hygge,et al.  A Prospective Study of Some Effects of Aircraft Noise on Cognitive Performance in Schoolchildren , 2002, Psychological science.

[9]  C. Kirschbaum,et al.  Genetic factors, perceived chronic stress, and the free cortisol response to awakening , 2000, Psychoneuroendocrinology.

[10]  Eeva Sala,et al.  Changes in the prevalence of vocal symptoms among teachers during a twelve-year period. , 2005, Journal of voice : official journal of the Voice Foundation.

[11]  G. Evans,et al.  Non-auditory Effects of Noise on Children: A Critical Review , 1993 .

[12]  Erkki Vilkman,et al.  Occupational Safety and Health Aspects of Voice and Speech Professions , 2004, Folia Phoniatrica et Logopaedica.

[13]  William E Hodgetts,et al.  Speech intelligibility of young school-aged children in the presence of real-life classroom noise. , 2004, Journal of the American Academy of Audiology.

[14]  P Evans,et al.  The Awakening Cortisol Response: Methodological Issues and Significance , 2004, Stress.

[15]  A. Bener,et al.  Genetic and Environmental Factors Associated With Migraine in Schoolchildren , 2000, Headache.

[16]  M. Bullinger,et al.  The psychological cost of aircraft noise for children. , 1999, Zentralblatt fur Hygiene und Umweltmedizin = International journal of hygiene and environmental medicine.

[17]  O. Eeg‐Olofsson,et al.  A 3-Year Follow-Up of Headache Diagnoses and Symptoms in Swedish Schoolchildren , 2006, Cephalalgia : an international journal of headache.

[18]  F. Hucklebridge,et al.  Exploration of the awakening cortisol response in relation to diurnal cortisol secretory activity. , 2001, Life sciences.

[19]  Julie E Dockrell,et al.  External and internal noise surveys of London primary schools. , 2004, The Journal of the Acoustical Society of America.

[20]  H. Lazarus,et al.  New methods for describing and assessing direct speech communication under disturbing conditions , 1990 .

[21]  P. Gustafsson,et al.  Cortisol levels and psychosocial factors in preadolescent children , 2006 .

[22]  S Rosberg,et al.  Journal of Clinical Endocrinology and Metabolism Printed in U.S.A. Copyright © 1997 by The Endocrine Society Circadian Cortisol Rhythms in Healthy Boys and Girls: Relationship with Age, Growth, Body Composition, and , 2022 .

[23]  Elizabeth Munsterberg Koppitz,et al.  Psychological Evaluation of Human Figure Drawings by Middle School Pupils , 1984 .

[24]  A. Hammarström,et al.  School-Related Health—A Cross-Sectional Study among Young Boys and Girls , 2000, International journal of health services : planning, administration, evaluation.

[25]  Wolfgang Babisch,et al.  Traffic Noise and Cardiovascular Disease: Epidemiological Review and Synthesis. , 2000, Noise & health.

[26]  G. Evans,et al.  Ambient neighbourhood noise and children's mental health , 2002, Occupational and environmental medicine.

[27]  P. Bennett,et al.  An investigation into the relationship between salivary cortisol, stress, anxiety and depression , 2003, Biological Psychology.

[28]  C. Kirschbaum,et al.  Heritability of Daytime Cortisol Levels in Children , 2003, Behavior genetics.

[29]  Jenny Head,et al.  Exposure-effect relations between aircraft and road traffic noise exposure at school and reading comprehension: the RANCH project. , 2006, American journal of epidemiology.

[30]  Wolfgang Babisch,et al.  Traffic Noise and Risk of Myocardial Infarction , 2005, Epidemiology.

[31]  J. Buitelaar,et al.  Determinants of salivary cortisol levels in 10–12 year old children; a population-based study of individual differences , 2005, Psychoneuroendocrinology.

[32]  G. Ristovska,et al.  Psychosocial effects of community noise: cross sectional study of school children in urban center of Skopje, Macedonia. , 2004, Croatian medical journal.

[33]  J. Ware,et al.  Applied Longitudinal Analysis , 2004 .

[34]  T F Gallagher,et al.  Twenty-four hour pattern of the episodic secretion of cortisol in normal subjects. , 1971, The Journal of clinical endocrinology and metabolism.

[35]  W. Passchier,et al.  Noise exposure and public health. , 2000, Environmental health perspectives.

[36]  K. Morimoto,et al.  Lifestyle, stress and cortisol response: Review II , 2001, Environmental health and preventive medicine.

[37]  J. Lemke,et al.  Voice problems among teachers: differences by gender and teaching characteristics. , 1998, Journal of voice : official journal of the Voice Foundation.

[38]  Ulf Landström,et al.  Annoyance and effects on work from environmental noise at school. , 2000, Noise & health.

[39]  J Head,et al.  Aircraft and road traffic noise and children's cognition and health: a cross-national study , 2005, The Lancet.

[40]  F. Rothbaum,et al.  The effects of stress on children's human figure drawings. , 1980, Journal of clinical psychology.