W Nystad

Summary

Affiliation: National Institute of Public Health
Country: Norway

Publications

  1. ncbi [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
  2. ncbi Day care attendance, recurrent respiratory tract infections and asthma
    W Nystad
    Section of Epidemiology, Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
    Int J Epidemiol 28:882-7. 1999
  3. ncbi Asthma and wheezing among Norwegian elite athletes
    W Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo
    Med Sci Sports Exerc 32:266-70. 2000
  4. ncbi Daycare attendance, asthma and atopy
    W 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
  5. ncbi Asthma
    W Nystad
    Department of Population Health Sciences, The National Institute of Public Health, Oslo, Norway
    Int J Sports Med 21:S98-102. 2000
  6. ncbi The effect of respiratory tract infections on reported asthma symptoms
    Wenche Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
    Scand J Public Health 30:70-5. 2002
  7. ncbi Physical activity affects the prevalence of reported wheeze
    W Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
    Eur J Epidemiol 17:209-12. 2001
  8. ncbi The physical activity level in children with asthma based on a survey among 7-16 year old school children
    W Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
    Scand J Med Sci Sports 7:331-5. 1997
  9. ncbi Increased level of bronchial responsiveness in inactive children with asthma
    W Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo, Norway
    Respir Med 95:806-10. 2001
  10. doi Correlates of regular exercise during pregnancy: the Norwegian Mother and Child Cohort Study
    K M Owe
    Department of Sport Medicine, Norwegian School of Sport Sciences, Oslo, Norway
    Scand J Med Sci Sports 19:637-45. 2009

Collaborators

Detail Information

Publications33

  1. ncbi [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...
  2. ncbi Day care attendance, recurrent respiratory tract infections and asthma
    W 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...
  3. ncbi Asthma and wheezing among Norwegian elite athletes
    W Nystad
    Department of Population Health Sciences, National Institute of Public Health, Oslo
    Med Sci Sports Exerc 32:266-70. 2000
    ....
  4. ncbi Daycare attendance, asthma and atopy
    W 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...
  5. ncbi Asthma
    W 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...
  6. ncbi The effect of respiratory tract infections on reported asthma symptoms
    Wenche 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...
  7. ncbi Physical activity affects the prevalence of reported wheeze
    W 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'...
  8. ncbi The physical activity level in children with asthma based on a survey among 7-16 year old school children
    W 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...
  9. ncbi Increased level of bronchial responsiveness in inactive children with asthma
    W 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...
  10. doi Correlates of regular exercise during pregnancy: the Norwegian Mother and Child Cohort Study
    K 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...
  11. pmc Prenatal and postnatal parental smoking and acute otitis media in early childhood
    S 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...
  12. ncbi Baby swimming increases the risk of recurrent respiratory tract infections and otitis media
    W 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...
  13. ncbi Residential outdoor air pollution and allergen sensitization in schoolchildren in Oslo, Norway
    B 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...
  14. doi Mould-specific immunoglobulin antibodies quantified by flow cytometry reflect mould exposure in Norwegian children
    B Rydjord
    Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo, Norway
    Clin Exp Allergy 38:430-7. 2008
    ....
  15. ncbi Changes in physical activity behavior and the development of body mass index during the last 30 years in Norway
    S 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...
  16. ncbi The use of a feather quilt, childhood asthma and allergic rhinitis: a prospective cohort study
    P 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...
  17. pmc Feasibility of measuring lung function in preschool children
    W 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...
  18. ncbi Effects of early intake of fruit or vegetables in relation to later asthma and allergic sensitization in school-age children
    Frode 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...
  19. ncbi Body mass index in relation to adult asthma among 135,000 Norwegian men and women
    Wenche 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...
  20. pmc Recreational physical activity and the risk of preeclampsia: a prospective cohort of Norwegian women
    Per 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...
  21. ncbi Residential outdoor air pollution and lung function in schoolchildren
    Bente 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...
  22. ncbi Genetics and gene-environment interactions in atopic diseases. The Norwegian Mother and Child Cohort Study
    Siri 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...
  23. pmc Baby swimming and respiratory health
    Wenche 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...
  24. ncbi Effects of pre- and postnatal exposure to parental smoking on early childhood respiratory health
    Siri 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...
  25. ncbi 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...
  26. ncbi Skin sensitization in school children in northern and southern Norway
    Heidi 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...
  27. pmc The biobank of the Norwegian Mother and Child Cohort Study: a resource for the next 100 years
    Kjersti 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...
  28. ncbi 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
  29. ncbi [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...
  30. ncbi Early respiratory infections, asthma, and allergy: 10-year follow-up of the Oslo Birth Cohort
    Per 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...
  31. ncbi A comparison of genetic and environmental variance structures for asthma, hay fever and eczema with symptoms of the same diseases: a study of Norwegian twins
    Wenche Nystad
    Division of Epidemiology, Norwegian Institute of Public Health, Nydalen, Oslo, Norway
    Int J Epidemiol 34:1302-9. 2005
    ....
  32. ncbi 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 sample
    Lene Thorsen
    Department of Psychosocial Oncology and Rehabilitation, The Norwegian Radium Hospital, University of Oslo, Oslo, Norway
    Support Care Cancer 13:637-46. 2005
    ....
  33. ncbi Asthma and allergic rhinitis at 4 years of age in relation to fish consumption in infancy
    Per 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...