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AIM To analyse the impact of pre- and post-natal smoke exposure on asthma presence, bronchial hyper-responsiveness, airway function and active smoking in early adulthood. METHODS We have prospectively studied 101 children hospitalized due to wheezing before the age of 2 years. The cohort was re-investigated at age 17-20 years and tested for airway(More)
AIM To establish whether smoking is an independent risk factor for sudden infant death syndrome (SIDS), if the effect is mainly due to prenatal or postnatal smoking, and the effect of smoking cessation. METHODS The analyses were based on data from the Nordic epidemiological SIDS study, a case-control study with 244 cases and 869 controls. Odds ratios were(More)
AIM To establish new reference values for measurements of waist circumference and waist-to-height ratio in preschool children. METHODS A population-based, cross-sectional study of 4502 children aged 0-5 years derived from child health care in a Swedish county. Measurements of weight, height and waist circumference were recorded using a standardized(More)
OBJECTIVE To assess whether alcohol and caffeine are independent risk factors for sudden infant death syndrome (SIDS). MATERIALS AND METHODS Analyses based on data from the Nordic epidemiological SIDS study, a case control study in which all parents of SIDS victims in the Nordic countries from 1 September 1992 to 31 August 1995 were invited to participate(More)
AIM To analyse the association between prenatal paracetamol exposure and preschool wheeze. METHODS Data were obtained from a prospective, longitudinal study of a cohort of children born in the region of western Sweden in 2003; 8176 families were randomly selected. The parents answered questionnaires at 6 and 12 months and at 4.5 years of age. The response(More)
AIM To study the outcome in early adulthood for children with early asthma symptoms and to analyse the factors associated with current asthma. METHODS In a prospective study, we have re-investigated 89/101 children who were hospitalized before the age of two years due to wheezing. The children were investigated using a questionnaire and allergy and(More)
OBJECTIVE To compare the current prevalence of risk factors for sudden infant death syndrome (SIDS) in Sweden with a decade earlier, and assess factors associated with prone sleeping. METHODS The results of a cohort study (Infants of Western Sweden) and a population based case-control study (Nordic Epidemiological SIDS Study) were examined. Subjects were(More)
BACKGROUND Atopic eczema in infants has increased in western societies. Environmental factors and the introduction of food may affect the risk of eczema. AIMS To investigate the prevalence of eczema among infants in western Sweden, describe patterns of food introduction and assess risk factors for eczema at 1 year of age. METHODS Data were obtained from(More)
OBJECTIVE To examine the associations between pet keeping in early childhood and asthma and allergies in children aged 6-10 years. DESIGN Pooled analysis of individual participant data of 11 prospective European birth cohorts that recruited a total of over 22,000 children in the 1990s. EXPOSURE DEFINITION: Ownership of only cats, dogs, birds, rodents, or(More)