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    Association between respiratory health and indoor air pollution exposure in Canakkale, Turkey
    (Pergamon-Elsevier Science Ltd, 2015) Mentese, Sibel; Mirici, Nihal A.; Otkun, Muserref T.; Bakar, Coskun; Palaz, Elif; Tasdibi, Deniz; Cevizci, Sibel
    Indoor air quality (IAQ) measurements were conducted in three different towns (i.e. Centre, Lapseki, and Can) in Canakkale, Turkey (n = 121) throughout the year. All indoor environments were selected randomly among the volunteer participants of a previous health survey. Particulate matter (PM), Total Volatile Organic Compounds (TVOCs), Total Bacteria Concentration (TBC), Total Mold Concentration (TMC), and Carbon dioxide (CO2) together with temperature and relative humidity (RH) were measured monthly. Together with IAQ measurements, bronchial hyper-responsiveness indicators such as forced vital capacity (FVC) and forced expiration volume (FEV1) of the occupants of the homes were measured by monthly Pulmonary Function (PF) test. Furthermore, a comprehensive survey was given to the participants. The measured IAQ parameters showed seasonal and spatial variations (p < 0.05). Among them, the highest levels of TVOC, CO2, and PM were found in the winter, while the highest levels of both TBC and TMC were found in the summer. In general, levels of IAQ parameters and asthma prevalence were the highest in Can (i.e. industrial area). Also, IAQ adversely influenced the respiratory health of participants in Can (p < 0.05). Shortness of breath was the most prominent respiratory symptom. Negative associations between asthma and FEV1/FVC ratio, and between respiratory symptom score (RSS) and FEV1/FVC, support the idea that the PF test can be a good indicator for (early) prognosis of respiratory diseases. (C) 2015 Elsevier Ltd. All rights reserved.
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    Öğe
    Associations among exposure to microbial, organic, and inorganic indoor/outdoor air pollution and respiratory problems in different towns of Canakkale, Turkey
    (Amer Chemical Soc, 2014) Mentese, Sibel; Otkun, Muserref Tatman; Bakar, Coskun; Mirici, Nihal Arzu; Cevizci, Sibel; Tasdibi, Deniz; Palaz, Elif
    [Anstract Not Available]
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    Öğe
    Comparison of exposure to indoor air pollution in different towns of Çanakkale, Turkey
    (International Society of Indoor Air Quality and Climate, 2014) Mentese, Sibel; Otkun, Muserref T.; Bakar, Coskun; Mirici, Nihal A.; Cevizci, Sibel; Cotuker, Osman; Tasdibi, Deniz
    [No abstract available]
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    Öğe
    Estimation of sources and factors affecting indoor VOC levels using basic numerical methods
    (Amer Inst Mathematical Sciences-Aims, 2016) Mentese, Sibel; Tasdibi, Deniz; Orak, Ersin
    Volatile Organic Compounds (VOCs) are a concern due to their adverse health effects and extensive usage. Levels of indoor VOCs were measured in six homes located in three different towns in epsilon anakkale, Turkey. Monthly indoor VOC samples were collected by passive sampling throughout a year. The highest levels of total volatile organic compounds (TVOC), benzene, toluene, and xylenes occurred in industrial, rural, and urban sites in a descending order. VOC levels were categorized as average values annually, during the heating period, and non-heating period. Several building/environmental factors together with occupants' habits were scored to obtain a basic indoor air pollution index (IAPi) for the homes. Bivariate regression analysis was applied to find the associations between the pollutant levels and home scores. IAPi scores were found to be correlated with average indoor VOC levels. In particular, very strong associations were found for occupants' habits. Furthermore, observed indoor VOC levels were categorized by using self-organizing map (SOM) and two simple scoring approaches, rounded average and maximum value methods, to classify the indoor environments based on their VOC compositions (IAPvoc). Three classes were used for both IAPi and IAPvoc approaches, namely good, moderate, and bad. There is an urgent need for indexing studies to determine the potential sources and/or factors affecting observed VOCs. This study gives a basic but good start for further studies.