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1

Pyly nadal grozne

100%
Zejda J. E.
Ekoprofit
|
2003
|
nr 1
7-13
2
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Social and family-related correlates of medical care utilization by asthmatic children in Upper Silesia, Poland

51%
Zejda J. E., Brozek G. M., Farnik M., Smolka I.
Annals of Agricultural and Environmental Medicine
|
2012
|
tom 19
|
nr 1
Background: Studies on childhood asthma demonstrate socioeconomic disparities in medical care utilization. A lack of information for Poland prompted our investigation into this question. Its goal was to discover if the utilization of medical services by asthmatic children depends on social and family factors. Methods: Subjects were 186 children with physician-diagnosed asthma, identified through a questionnaire survey of 4,535 school children in Katowice District, Poland. Utilization of medical care was assessed by such past year events as medical visits (44.0%), any diagnostic test (35.4%) and spirometry (30.6%). Association of those events with socioeconomic variables was explored by means of logistic regression, according to the criterion p≤ 0.1. Results: After adjustment for disease severity and gender medical visits were related to younger age (p=0.009), family history of respiratory diseases (p=0.08) and rural residence (p=0.09), any diagnostic tests to younger age (p=0.08), smaller number of siblings (p=0.01) and rural residence (p=0.004); spirometry to smaller number of siblings (p=0.09) and rural residence (p=0.006). Conclusion: Clinical status and age are important determinants of utilization of medical services by asthmatic children. The effects of rural residence and family size may reflect a more attentive response to the needs of a sick child.
3

Short-term effects of ambient air pollution on daily mortality

51%
Kowalska M., Zejda J. E., Skrzypek M.
Polish Journal of Environmental Studies
|
2010
|
tom 19
|
nr 1
101-105
In environmental epidemiology, short-term effects of ambient air pollution on mortality are explored using time-series analysis including various definitions of the exposure variable. In order to find out if and to what extent the magnitude of air pollution-related relative risk of death depends on the definition of the exposure variable, we analyzed data on daily mortality and air pollution concentrations obtained in the city of Katowice in 2001-02 (range of daily number of deaths: 17-76; range of 24-hour concentrations in μg/m³: PM₁₀ = 11.2-421.3, SO₂ = 10.5-239.8, NOₓ = 15.7-287.7). The modeling results confirmed the dominant role of SO₂ among the monitored ambient air pollutants, after adjustment for meteorological variables. The value of SO₂- related relative risk of death (total mortality) depended on the definition of exposure variable – for same-day concentrations of SO₂ it was 1.007, and for a three-day moving average it was 1.012. The largest values of risk estimates were provided by exposure variables expressed as a 40-day moving average (SO2-related relative risk = 1.022). Our findings highlight the importance of the choice of the model (including definition of exposure variables) in exploring time-series mortality data. On biological grounds our findings suggest that people at risk of death (i.e. elderly with cardiorespiratory disorders) could be more affected by an accumulating burden of exposure (expressed by average air pollution levels over a longer period) than by acute exposures to increasing air pollution levels.
4
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Epidemiology of sarcoidosis recorded in 2006-2010 in the Silesian voivodeship on the basis of routine medical reporting

51%
Kowalska M., Niewiadomska E., Zejda J. E.
Annals of Agricultural and Environmental Medicine
|
2014
|
tom 21
|
nr 1
5

Opposite Trends of Allergic Disorders and Respiratory Symptoms in Children over a Period of Large-Scale Ambient Air Pollution Decline

39%
Brozek G. M., Zejda J. E., Kowalska M., Gebus M., Kepa K., Igielski M.
Polish Journal of Environmental Studies
|
2010
|
tom 19
|
nr 6
6

Effect of ambient air pollution on daily mortality in Katowice Conurbation, Poland

39%
Kowalska M., Hubicki L., Zejda J. E., Osrodka L., Krajny E., Wojtylak M.
Polish Journal of Environmental Studies
|
2007
|
tom 16
|
nr 2
The impact of air pollution on human health is subject to extensive research. Most evidence concerns the effect of exposure to airborne PM10 and PM2.5 on daily mortality and hospital admissions. However; less is known about the effects of SO2. Our study (time-series analysis) investigates the effects of 24-hour concentrations of PM10, SO2 and NOX on daily mortality over 2001-2002 in 14 cities of the Katowice Conurbation. Results of the study suggest that SO2 is the major air pollutant affecting the daily mortality profile in Katowice Conurbation. Sulphur dioxide effect is apparent in relation to both general and cardiovascular or respiratory mortality, particularly in the elderly. The effect of PM10 concentration is also statistically significant but only to the general mortality pattern.
7

Air pollution and daily mortality in urban Katowice, 1994-95 and 2001-02

33%
Kowalska M., Zejda J. E., Skrzypek M., Osrodka L., Klejnowski K., Krajny E., Wojtylak M., Hubicki L.
Polish Journal of Environmental Studies
|
2008
|
tom 17
|
nr 5
733-738
A permanent improvement in ambient air quality in the Urban Area of Katowice over recent years could have resulted in a decreased risk of air pollution-related daily mortality. Our study investigates the risk associated with the levels of PM₁₀ and SO₂, obtained seven years apart (time-series analyses in 1994-95 and 2001- 02). For both periods the acute mortality risk depends more on SO₂ than on PM₁₀ levels. The permanent improvement in ambient air pollution was associated with a decrease in relative risk of mortality, only for SO₂ levels. For example, the magnitude of the total mortality relative risk related to a 10 μg/m³ increase in pollutant’s concentration (a 3-day moving average) was for SO₂ 1.019 (1.015-1.023) in 1994-95 and 1.012 (1.005- 1.019) in 2001-02, and for PM₁₀ 1.007 (1.004-1.011) in 1994-95 and 1.007 (1.003-1.011) in 2001-02.
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