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Environmental tobacco smoke exposure during childhood is associated with increased prevalence of asthma in adults
Örebro University, School of Health and Medical Sciences.
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2001 (English)In: Chest, ISSN 0012-3692, E-ISSN 1931-3543, Vol. 120, no 3, p. 711-717Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To examine if exposure to environmental tobacco smoke (ETS) during childhood has an impact on asthma prevalence in adults, and to identify the amount of nuisance from ETS and other lower airway irritants (LAWIs) in a city population.

DESIGN: A postal survey.

SETTING: The municipality of Orebro, Sweden.

PARTICIPANTS: A total of 8,008 randomly selected inhabitants aged 15 to 69 years.

MEASUREMENTS: Exposures, airway symptoms, and respiratory history were assessed using a questionnaire.

RESULTS: The response rate was 84%. In never-smokers with childhood ETS exposure, the prevalence of physician-diagnosed asthma was 7.6% vs 5.9% in nonexposed subjects (p = 0.036). In never-smokers without a family history of asthma, the prevalence of physician-diagnosed asthma in subjects reporting childhood ETS exposure was 6.8% vs 3.8% in nonexposed subjects (p < 0.001). Subjects with childhood ETS exposure were more likely to start smoking in adulthood. The prevalence of ever-smokers was 54.5% vs 33.8% (p < 0.0001) in nonexposed subjects. ETS was the most commonly reported LAWI in the total sample (21%), followed by exercise in cold air (20%), dust (19%), exercise (16%), perfume (15%), cold air (12%), pollen (10%), and pets (8%). All LAWIs were more frequently reported by women.

CONCLUSIONS: Childhood exposure to ETS is associated with an increased prevalence of asthma among adult never-smokers, especially in nonatopic subjects. Children exposed to ETS are also more likely to become smokers. ETS is as a major LAWI.

Place, publisher, year, edition, pages
2001. Vol. 120, no 3, p. 711-717
National Category
Medical and Health Sciences
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-15588DOI: 10.1378/chest.120.3.711OAI: oai:DiVA.org:oru-15588DiVA, id: diva2:417368
Available from: 2011-05-17 Created: 2011-05-17 Last updated: 2017-12-11Bibliographically approved
In thesis
1. Secondary exposure to inhaled tobacco products
Open this publication in new window or tab >>Secondary exposure to inhaled tobacco products
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [sv]

Även andra individer än rökaren kan påverkas av tobaksrökning. Syftet med denna avhandling var att undersöka några sådana effekter. Studierna omfattar såväl passiv rökning som exponering under graviditet. Mer specifikt handlar studierna om:

· Exponering för passiv rökning under barndomen och samband med luftvägssymtom och allergi senare i livet.

· Passiv rökning i vuxen ålder och samband med luftvägssymtom.

· Exponering hos serveringspersonal och effekter av lagstiftning mot tobaksrökning.

· Rökning under graviditet och kontroll och koordination av handrörelser hos barn.

Passiv rökning i barndomen hade en koppling till ökad risk för astma och allergi. Passiv rökning hos vuxna var kopplat till förekomst av andnings- och luftvägssymtom på ett dosberoende vis. Besvär i andningsvägar och slemhinnor minskade avsevärt hos icke rökande serveringspersonal efter rökförbudet på restauranger som infördes den 1 juni 2005.

Mammans rökning under graviditet var kopplad till nedsatt handkontroll och handkoordination hos avkomman. Sambandet var tydligast för vänsterhanden och pojkarnas handfunktion påverkades betydligt mer än flickornas. Fynden stödjer att rökning under graviditet kan påverka nervsystemets utveckling i negativ riktning.

Ett flertal oönskade effekter kan således drabba dem som är nära rökare under någon period i livet och resultaten understryker vikten av att förebygga sådan exponering.

Abstract [en]

Secondary exposure to inhaled tobacco products can influence the human body in a variety of ways. The aim of this thesis was to investigate a variety of health effects of secondary exposure to inhaled tobacco products. The research encompassed both airborne and in utero exposures. Specific investigations included:

· Childhood exposure to environmental tobacco smoke (ETS) and associations with respiratory symptoms and allergic sensitization.

· Adult exposure to ETS and exacerbation of respiratory symptoms

· Workplace exposure to ETS and associations with respiratory symptoms

· The influence of smoke-free workplace legislation on respiratory symptoms

· In utero exposure and associations with physical control and coordination at age 11 years

Environmental tobacco smoke during childhood was shown to be associated with an increased risk of asthma and allergic sensitization. Environmental tobacco smoke exposure in adult non-smokers was associated with a dose-dependent increase in the prevalence of respiratory symptoms. The frequency of respiratory and sensory symptoms in hospitality workers declined substantially in non-smokers following the introduction of smoke-free legislation. Maternal smoking during pregnancy was associated with poorer physical control and coordination among offspring, particularly in the left – usually non-dominant- hand and most pronounced in boys, consistent with an adverse influence on neurological development.

These findings help to characterize several adverse outcomes associated with secondary exposure to inhaled tobacco products and emphasise the importance of preventing such exposures.

Place, publisher, year, edition, pages
Örebro: Örebro universitet, 2008. p. 72
Series
Örebro Studies in Medicine, ISSN 1652-4063 ; 23
National Category
Medical and Health Sciences
Research subject
Medicine
Identifiers
urn:nbn:se:oru:diva-2519 (URN)978-91-7668-635-5 (ISBN)
Public defence
2008-11-21, Wilandersalen, M-huset, Universitetssjukhuset, Örebro, 14:00
Opponent
Supervisors
Available from: 2008-10-20 Created: 2008-10-20 Last updated: 2017-10-18Bibliographically approved

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Larsson, Matz L.

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