Helen Prince

Newcastle University

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Prevalence of asthma and other respiratory symptoms in children living near and away from opencast coal mining sites

International Journal of Epidemiology (2001)

Tanja Pless‐Mulloli Denise Howel Helen Prince

Public concern about respiratory conditions prompted the investigation of asthma and other respiratory diseases in children living near and away from opencast coal mining sites.We selected all 4860 children aged 1--11 years from five socioeconomically matched pairs of communities close to (OC) and away from (CC) active opencast sites. A postal questionnaire collected data on health and lifestyle. Outcomes were the cumulative and period prevalence (2 and 12 months) of wheeze, asthma, bronchitis and other respiratory symptoms.The cumulative prevalence of wheeze varied from 30% to 40% across the ten communities, it was 36% in OC and 37% in CC. The cumulative prevalence of asthma was 22% in both OC and CC, varying between 12% and 24%. We found little evidence for associations between living near an opencast site and an increased prevalence of respiratory illnesses, or asthma severity. Some outcomes such as allergies, hayfever, or cough varied little across the study communities. Others, such as the use of asthma medication, the number of severe wheezing attacks in the past year or tonsillitis showed large variation. These similarities and variations were not explained by differences in lifestyle factors or differences in health services delivery and remain unexplained.There was little evidence of an association between residential proximity to opencast mining sites and cumulative or period prevalence of respiratory illness, or asthma severity. Some variations in health outcomes between communities remained unexplained.

Wheeze

10.1093/ije/30.3.556

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Citations (42)

A SUMMARY OF AIR-BORNE MOLD SURVEYS.

PubMed (1964)

Marie B. Morrow Georg Meyer Helen Prince

Source

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Citations (27)

Urban Air Quality in North‐East England: Exploring the Influences on Local Views and Perceptions

Risk Analysis (2002)

Denise Howel Suzanne Moffatt Helen Prince Judith Bush Christine Dunn

We set out to explore potential influences on public views about urban air quality in two different, but geographically close, districts in North-East England via a postal survey. The neighborhoods surveyed were chosen to contrast material deprivation, proximity to industry, and two districts (Teesside and Sunderland), and the respondents within them were contrasted by their gender, age, and illness status. The strongest influences on views about local air quality were found to be proximity to industry, residence in Teesside, and, to a lesser extent, age and illness status. This suggests that neighborhood characteristics play an important role in shaping public perceptions of air quality.

North east

10.1111/0272-4332.t01-1-00010

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Citations (63)

COMMUNITY VIEWS ON ILL-HEALTH. AIR QUALITY AND EXPERT INFORMATION; THE EFFECTS OF PROXIMITY TO HEAVY INDUSTRY AND POVERTY

Epidemiology (1998)

SJtofM J Bush Helen Prince C E Dunn D Howe

10.1097/00001648-199807001-00489

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Citations (1)

Public views on the links between air pollution and health in Northeast England

Environmental Research (2003)

Denise Howel Suzanne Moffatt Judith Bush Christine Dunn Helen Prince

10.1016/s0013-9351(02)00037-3

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Citations (121)

Choice of conditional models in bivariate survival

Statistics in Medicine (2000)

Robin Henderson Helen Prince

We consider bivariate survival problems in which interest is in the conditional distribution of one survival variable given an uncensored observation of the other. The work is motivated by an analysis of time to cancer diagnosis then subsequent survival amongst a group of organ transplant recipients. The effect of conditioning is illustrated for five standard bivariate models. The consequences of adopting a misspecified marginal approach in which the conditioning variable is considered to be a fixed covariate are investigated.

Conditional probability distribution

Survival function

Bivariate data

10.1002/(sici)1097-0258(20000229)19:4<563::aid-sim356>3.0.co;2-k

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Citations (5)