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Several epidemiological studies have reported a higher prevalence of respiratory symptoms in subjects living in damp housing, but links with specific respiratory diseases such as asthma have not been satisfactorily established.
The prevalence of both self-reported and observed dampness in the homes of the asthmatic subjects and controls were compared. Both asthma and the severity of the dampness were quantified so that the possibility of a dose-response relationship could be investigated.
Asthmatic subjects reported dampness in their current odds ratio OR 1. This association persisted after controlling for socioeconomic and other confounding variables adjusted OR 3.
Patients living in homes with confirmed areas of dampness had greater evidence of airflow obstruction than those living in dry homes mean difference in forced expiratory volume in one second FEV1 Asthma is associated with living in damp housing and there appears to be a dose-response relationship.
Action to improve damp housing conditions may therefore favourably influence asthma morbidity. Selected References These references are in PubMed. This may not be the complete list of references from this article. Fungal propagules in house dust. Relation with residential characteristics and respiratory symptoms.
Mites from house dust in Glasgow. Housing conditions and ill health. Housing dampness and health amongst British Bengalis in east London. Associations between questionnaire reports of home dampness and childhood respiratory symptoms.
Home dampness and respiratory morbidity in children. Am Rev Respir Dis. Adverse health effects among adults exposed to home dampness and molds. Respiratory health effects of home dampness and molds among Canadian children.
Symptoms of bronchial hyperreactivity and asthma in relation to environmental factors. Respiratory health effects of the indoor environment in a population of Dutch children. Mite allergy and exposure to storage mites and house dust mites in farmers.
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J R Soc Health. Mite asthma and residency. A case-control study on the impact of exposure to house-dust mites in dwellings.
Changes in asthma prevalence: Natural variation in mite antigen density in house dust and relationship to residential factors. Has the prevalence of asthma increased in children? Evidence from the national study of health and growth Presence of viable mould propagules in indoor air in relation to house damp and outdoor air.When should a case-control approach be used 2.B.
Case ascertainment system in place: The conduct of a case-control study may be facilitated by the availability of a caseascertainment system. When funding and time constraints are not compatible with a cohort study.
Support Strong Science. Be a champion now for the. next generation of science leaders. Join Today. Methods. This was a hospital based case-control study using routine postcoded regional Hospital Episode Statistics for children aged 5–14 years living in the North Thames (West) health region within the boundary of London's orbital M25 motorway.
A population based case control-study was initiated in to identify risk factors for death from asthma. Over a two year period all deaths in the Auckland population possibly due to asthma, in people less than 60 years of age, were investigated.
From the 47 people who died from asthma 44 who had useful reversibility of airways obstruction (records showing greater than 20% variability of. After this session, you will be familiar with: • The basic design features of a casecontrol study • Rationale for applying case-control designs • Limitations of case-control studies • Example applications applying casecontrol designs A.
Design of Case-Control Studies The investigator selects. Sep 30, · ATSDR Case Studies in. Environmental Triggers. of Asthma. exposures can cause and exacerbate asthma.
• Control of environmental exposures can significantly Environmental Medicine. This educational case study document is one in a series of self-instructional.