Research Topics
| W NystadSummaryAffiliation: National Institute of Public Health Country: Norway Publications
| Collaborators
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Detail Information
Publications
[Day care centers, infections and asthma]W Nystad
Seksjon for epidemiologi Avdeling for samfunnsmedisin Statens institutt for folkehelse Postboks 4404 Torshov 0403 Oslo
Tidsskr Nor Laegeforen 121:282-6. 2001..Our objective was to use a causal model for childhood asthma to determine whether the effect of day care attendance on asthma was mediated by recurrent respiratory tract infections...- Day care attendance, recurrent respiratory tract infections and asthmaW Nystad
Section of Epidemiology, Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
Int J Epidemiol 28:882-7. 1999..Our objective was to use a causal model for childhood asthma to determine whether the effect of day care attendance on asthma was mediated by recurrent respiratory tract infections... - Asthma and wheezing among Norwegian elite athletesW Nystad
Department of Population Health Sciences, National Institute of Public Health, Oslo
Med Sci Sports Exerc 32:266-70. 2000.... - Daycare attendance, asthma and atopyW Nystad
Department of Population Health Sciences, National Institute of Public Health, and the University of Sport and Physical Education, Oslo, Norway
Ann Med 32:390-6. 2000..The quality of the studies varies, and they are not directly comparable. The relation between daycare attendance and asthma and atopy is unclear, and further studies designed to answer this specific research question are needed... - AsthmaW Nystad
Department of Population Health Sciences, The National Institute of Public Health, Oslo, Norway
Int J Sports Med 21:S98-102. 2000..Causal inference is limited, and further studies designed to answer specific research questions are needed... - The effect of respiratory tract infections on reported asthma symptomsWenche Nystad
Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
Scand J Public Health 30:70-5. 2002..Wheezing and chest tightness is associated with respiratory tract infections. Thus the occurrence of respiratory tract infections may influence the prevalence of asthma... - Physical activity affects the prevalence of reported wheezeW Nystad
Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
Eur J Epidemiol 17:209-12. 2001..These findings raise the question whether level of physical activity could affect some of the variability in reported asthma symptoms when such morbidity is measured as 'wheeze in last 12 months'... - The physical activity level in children with asthma based on a survey among 7-16 year old school childrenW Nystad
Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
Scand J Med Sci Sports 7:331-5. 1997..3) compared to non-asthmatics. Similar results were found for exercise hours a week. More than 50% of all children took part in organized sport. The data suggest that asthmatic children are as physically active as their peers... - Increased level of bronchial responsiveness in inactive children with asthmaW Nystad
Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
Respir Med 95:806-10. 2001..11 (95% CI -0.20, -0.01) pr unit in scale. This pattern was not present in children without asthma.The results suggest that there is a relation between hours of exercise per week and bronchial responsiveness in children with asthma... 
Correlates of regular exercise during pregnancy: the Norwegian Mother and Child Cohort StudyK M Owe
Department of Sport Medicine, Norwegian School of Sport Sciences, Oslo, Norway
Scand J Med Sci Sports 19:637-45. 2009..8 (0.7-0.8) and 30, aOR=0.7 (0.6-0.7). Also, women experiencing a multiple pregnancy, pelvic girdle pain, or nausea were less likely to exercise regularly...
Prenatal and postnatal parental smoking and acute otitis media in early childhoodS E Håberg
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Acta Paediatr 99:99-105. 2010..To explore the associations between acute otitis media in early childhood and prenatal and postnatal tobacco smoke exposure...- Baby swimming increases the risk of recurrent respiratory tract infections and otitis mediaW Nystad
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Acta Paediatr 92:905-9. 2003..To estimate the association between baby swimming and recurrent respiratory tract infections and otitis media in the first year of life in children of parents without and with atopy... - Residential outdoor air pollution and allergen sensitization in schoolchildren in Oslo, NorwayB Oftedal
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Clin Exp Allergy 37:1632-40. 2007..Furthermore, often exposure to outdoor air pollution has had limited quality, and more individual exposure is needed... - Mould-specific immunoglobulin antibodies quantified by flow cytometry reflect mould exposure in Norwegian childrenB Rydjord
Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo, Norway
Clin Exp Allergy 38:430-7. 2008.... - Changes in physical activity behavior and the development of body mass index during the last 30 years in NorwayS A Anderssen
Department of Sports Medicine, Norwegian School of Sports Sciences, Oslo, Norway
Scand J Med Sci Sports 18:309-17. 2008..This association was less evident among men. Men and women who were lightly, moderately or highly active at leisure were less likely to be obese compared with those who were sedentary... - The use of a feather quilt, childhood asthma and allergic rhinitis: a prospective cohort studyP Nafstad
Section of Epidemiology, Department of Papulation Health Sciences, National Institute of Public Health, Oslo, Norway
Clin Exp Allergy 32:1150-4. 2002..However, recent cross-sectional studies have reported a higher risk of allergic diseases among users of synthetic bedding compared with feather-bedding users... - Feasibility of measuring lung function in preschool childrenW Nystad
Department of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Thorax 57:1021-7. 2002..There have been difficulties in applying spirometric tests to children of preschool age... - Effects of early intake of fruit or vegetables in relation to later asthma and allergic sensitization in school-age childrenFrode Njå
Geilomo Children s Hospital for Asthma and Allergy, Geilo and Sandvika, Norway
Acta Paediatr 94:147-54. 2005..To assess the associations between nutrition supplements in infancy and later asthma and allergy in school-age children, and to explore the impact of environmental factors in early life... - Body mass index in relation to adult asthma among 135,000 Norwegian men and womenWenche Nystad
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Am J Epidemiol 160:969-76. 2004..The similar value for women was 7%. Overweight or obese persons reported asthma more often than did thinner persons after adjustment for smoking, education, and physical activity... - Recreational physical activity and the risk of preeclampsia: a prospective cohort of Norwegian womenPer Magnus
Division of Epidemiology, Norwegian Institute of Public Health, P O Box 4404, Nydalen, 0403 Oslo, Norway
Am J Epidemiol 168:952-7. 2008..These results suggest that the preventive effect of recreational physical activity during pregnancy may be more limited than has been shown in case-control studies and may apply to nonobese women only... - Residential outdoor air pollution and lung function in schoolchildrenBente Oftedal
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Epidemiology 19:129-37. 2008..We investigated the associations with lung function of residential outdoor air pollution in early life, total lifetime, and days before lung function test... - Genetics and gene-environment interactions in atopic diseases. The Norwegian Mother and Child Cohort StudySiri E Håberg
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Hum Hered 65:195-8. 2008..The goal of the study is to understand pathways in disease development, and identify preventive measures. Several designs are suitable for studying genetics in complex diseases like asthma and allergy, in MoBa... - Baby swimming and respiratory healthWenche Nystad
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Acta Paediatr 97:657-62. 2008..To estimate the effect of baby swimming in the first 6 months of life on respiratory diseases from 6 to 18 months... - Effects of pre- and postnatal exposure to parental smoking on early childhood respiratory healthSiri E Håberg
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Am J Epidemiol 166:679-86. 2007..They found maternal smoking in pregnancy to be an independent risk factor for wheeze and respiratory infection. Postnatal paternal smoking was also associated with these outcomes, independently of maternal smoking in pregnancy... - Which women do pelvic floor muscle exercises six months' postpartum?Kari Bø
Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway
Am J Obstet Gynecol 197:49.e1-5. 2007..This study was undertaken to estimate the association between pelvic floor muscle training and demographic and health related factors that may influence pelvic floor muscle training postpartum... - Skin sensitization in school children in northern and southern NorwayHeidi Nygaard Bakken
Division of Epidemiology, The Norwegian Institute of Public Health, Oslo, Norway
J Asthma 44:23-7. 2007..Sensitization rates and profiles were similar in the north and south despite differences in living conditions and environmental exposures... - The biobank of the Norwegian Mother and Child Cohort Study: a resource for the next 100 yearsKjersti S Rønningen
Division of Epidemiology, Norwegian Institute of Public Health, 4404 Nydalen, N 0403 Oslo, Norway
Eur J Epidemiol 21:619-25. 2006..In designing specimen repositories, efforts need to balance future needs for samples with logistical constraints necessary to process and store samples in a timely fashion... - Cohort profile: the Norwegian Mother and Child Cohort Study (MoBa)Per Magnus
Division of Epidemiology, The Norwegian Institute of Public Health, Oslo, Norway
Int J Epidemiol 35:1146-50. 2006 - [The Mother and Child Cohort Study will give new answers]Per Magnus
Divisjon for epidemiologi, Nasjonalt folkehelseinstitutt, Postboks 4404 Nydalen, 0403 Oslo
Tidsskr Nor Laegeforen 126:1747-9. 2006..The overall goal is to come up with good preventive measures. The purpose of this article is to inform about MoBa and to stimulate enhanced use of data collected during research... - Early respiratory infections, asthma, and allergy: 10-year follow-up of the Oslo Birth CohortPer Nafstad
Department of General Practice and Community Medicine, Medical Faculty, University of Oslo, PB 1130 Blindern, 0316 Oslo, Norway
Pediatrics 116:e255-62. 2005..We also considered birth order and attendance at a child care center as proxy measures of increased exposure to infections early in life... - A comparison of genetic and environmental variance structures for asthma, hay fever and eczema with symptoms of the same diseases: a study of Norwegian twinsWenche Nystad
Division of Epidemiology, Norwegian Institute of Public Health, Nydalen, Oslo, Norway
Int J Epidemiol 34:1302-9. 2005.... - The association between self-reported physical activity and prevalence of depression and anxiety disorder in long-term survivors of testicular cancer and men in a general population sampleLene Thorsen
Department of Psychosocial Oncology and Rehabilitation, The Norwegian Radium Hospital, University of Oslo, Oslo, Norway
Support Care Cancer 13:637-46. 2005.... - Asthma and allergic rhinitis at 4 years of age in relation to fish consumption in infancyPer Nafstad
Division Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
J Asthma 40:343-8. 2003..45 (95% confidence interval [CI]=0.28, 0.74) and for asthma 0.84 (95% CI=0.57, 1.22). Fish consumption in the first year of life may reduce the risk of developing asthma and allergic rhinitis in childhood...