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    Wyświetlanie 1-3 z 3
    Tytuł:
    Perceived indoor air quality, air-related symptoms and ventilation in Finnish hospitals
    Autorzy:
    Hellgren, Ulla-Maija
    Hyvärinen, Markku
    Holopainen, Rauno
    Reijula, Kari
    Powiązania:
    https://bibliotekanauki.pl/articles/2185474.pdf
    Data publikacji:
    2011-03-01
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    evaluation of ventilation
    Indoor Air Questionnaire
    perceived indoor air quality
    Health care workers
    Opis:
    Objectives: Good ventilation is more important in hospitals than in many other buildings. The objective of this study was to evaluate the effect of the condition, performance and modernity of ventilation systems on the perceived indoor air quality (IAQ) and the indoor air-related symptoms of hospital personnel. Materials and Methods: An inspection and evaluation graded on a 1 to 3 scale of the condition, performance, and modernity of the ventilation systems was carried out in ten central hospitals in Finland. The perceived IAQ and the related symptoms were collected by means of an indoor air questionnaire survey among the workers in these hospitals. Results: The condition, performance and modernity of the ventilation systems were good in 40% of the hospitals included in the research and poor in another 40% of them. In hospitals where the majority of the ventilation systems were assessed to be good, the prevalence of the indoor air-related complaints and symptoms was lower than in hospitals where the majority of the ventilation systems were assessed as needing extensive repairs. Conclusions: The condition and performance of the ventilation systems in hospitals had a significant impact on the perceived IAQ and the symptoms observed among the employees in Finnish hospitals. Therefore, it is important that hospital ventilation systems are maintained properly and regularly. Furthermore, they should be renovated, at the latest when their technical lifespan expires.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2011, 24, 1; 48-56
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Perceived indoor air quality and psychosocial work environment in office, school and health care environments in Finland
    Autorzy:
    Tähtinen, Katja
    Remes, Jouko
    Karvala, Kirsi
    Salmi, Kari
    Lahtinen, Marjaana
    Reijula, Kari
    Powiązania:
    https://bibliotekanauki.pl/articles/2116581.pdf
    Data publikacji:
    2020-06-16
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    Indoor Air Questionnaire
    school
    health care
    perceived indoor environment
    reference material
    office
    Opis:
    ObjectivesThe study examined the extent and prevalence of perceived indoor environment-related (IE-related) symptoms environmental complaints and psychosocial work environmental factors in Finnish office, school and health care environments.Material and MethodsThe data were collected from non-industrial workplaces (N = 455) in 2011–2012 and 2015–2017 using the Finnish Institute of Occupational Health’s Indoor Air Questionnaire (IA Questionnaire). Suspicion of IE-related problems was reported in 59% of workplaces. The data consisted of 28 826 employees’ responses.ResultsThe employees reported symptoms and environmental discomfort in office environments less often than in school or health care environments. The most often reported IE-related complaints were stuffy air (39% of respondents), dry air (34%) and insufficient ventilation (33%). The most often reported symptoms were irritation of the nose (27% of respondents), irritation of the eyes (26%), and hoarse or dry throat (24%). The results showed differences between the perceived IE in office, school and health care environments.ConclusionsCompared to earlier findings, the most often perceived IE-related symptoms and complaints have increased in Finnish health care environments. The office employees’ perceptions of psychosocial work environment remained fairly unchanged whereas health care personnel more often assessed their psychosocial environment as positive compared to previous reports. Instead of exact reference values, comparing the results of IA Questionnaires with the distributions and mean values of the results of this study may be more informative for those striving to solve IE-related problems. The presented distribution and mean values of perceived symptoms, environmental complaints and psychosocial work environment might help to relate the results to other workplaces. This, in turn, might increase the understanding that IA Questionnaire results are influenced by many factors. The results presented can be used as new reference material when interpreting the results of IA Questionnaires in office, school and health care environments.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2020, 33, 4; 479-495
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of air quality on sleep and cognitive performance in school children aged 10–12 years: a double-blinded, placebo-controlled, crossover trial
    Autorzy:
    Klausen, Frida B.
    Amidi, Ali
    Kjærgaard, Søren K.
    Schlünssen, Vivi
    Ravn, Peter
    Østergaard, Kirsten
    Gutzke, Vibeke H.
    Glasius, Marianne
    Grønborg, Therese K.
    Hansen, Stefan N.
    Zachariae, Robert
    Wargocki, Pawel
    Sigsgaard, Torben
    Powiązania:
    https://bibliotekanauki.pl/articles/2203016.pdf
    Data publikacji:
    2023-05-23
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    sleep quality
    cognition
    indoor air
    CO2 exposure
    school children
    RCT study
    Opis:
    Objectives To investigate the effect of CO₂ during sleep on next-morning cognitive performance in young schoolchildren, the authors performed a double-blind fully balanced crossover placebo-controlled study. Material and Methods The authors included 36 children aged 10–12 years in the climate chamber. The children slept at 21°C in 6 groups each at 3 different conditions separated by 7 days in a random order. Conditions were as follows: high ventilation with CO₂ at 700 ppm, high ventilation with added pure CO₂ at 2000–3000 ppm, and reduced ventilation with CO₂ at 2–3000 ppm and bioeffluents. Children were subjected to a digital cognitive test battery (CANTAB) in the evening prior to sleep and on the next morning after breakfast. Sleep quality was monitored with wrist actigraphs. Results There were no significant exposure effects on cognitive performance. Sleep efficiency was significantly lower at high ventilation with CO₂ at 700 ppm which is considered to be a chance effect. No other effects were seen, and no relation between air quality during sleep and next-morning cognitive performance was observed in the children emitting an estimated 10 l CO₂ /h per child. Conclusions No effect of CO₂ during sleep was found on next day cognition. The children were awakened in the morning, and spent from 45–70 min in well-ventilated rooms before they were tested. Hence, it cannot be precluded that the children have benefitted from the good indoor air quality conditions before and during the testing period. The slightly better sleep efficiency during high CO₂ concentrations might be a chance finding. Hence, replication is needed in actual bedrooms controlling for other external factors before any generalizations can be made.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2023, 36, 2; 177-191
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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