International journal of hygiene and environmental health
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Int J Hyg Environ Health · Jan 2016
Assessing non-specific symptoms in epidemiological studies: Development and validation of the Symptoms and Perceptions (SaP) questionnaire.
To describe the development of the Symptoms and Perceptions (SaP) questionnaire, a new instrument measuring diversity and severity features and related perceptions of non-specific (physical and psychological) symptoms (NSS) and to test its reliability and validity within an epidemiological setting. ⋯ The SaP questionnaire is a reliable and valid self-reported measure of diverse features of NSS and corresponding perceptions. It can also be a useful tool for the identification of multiple somatic symptoms and related disorders in general practice and assessment of psychological problems in epidemiological studies. Further validation of the questionnaire in different samples and settings will establish the promising psychometric properties demonstrated in the present study.
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Int J Hyg Environ Health · Oct 2015
Long-term air pollution exposure and lung function in 15 year-old adolescents living in an urban and rural area in Germany: The GINIplus and LISAplus cohorts.
The impact of outdoor air pollution exposure on long-term lung development and potential periods of increased lung susceptibility remain unknown. This study assessed associations between early-life and current residential exposure to air pollution and lung function at 15-years of age in two German birth cohorts. ⋯ Early-life and current long-term air pollution exposures and lung function at the age of 15 years were not associated in the complete study population. Asthmatics may represent a vulnerable group.
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Int J Hyg Environ Health · May 2015
Comparative StudyEffects of commuting mode on air pollution exposure and cardiovascular health among young adults in Taipei, Taiwan.
The association between traffic-related air pollution and adverse cardiovascular effects has been well documented; however, little is known about whether different commuting modes can modify the effects of air pollution on the cardiovascular system in human subjects in urban areas with heavy traffic. We recruited 120 young, healthy subjects in Taipei, Taiwan. Each participant was classified with different commuting modes according to his/her own commuting style. ⋯ The participants in the car and bus modes had reduced effects on their cardiovascular endpoints compared to the participants in the walking mode. We concluded that traffic-related PM2.5 is associated with autonomic alteration. Commuting modes can modify the effects of PM2.5 on HRV indices among young, healthy subjects.
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Int J Hyg Environ Health · Jan 2015
Characterisation of mainstream and passive vapours emitted by selected electronic cigarettes.
Electronic cigarettes have achieved growing popularity since their introduction onto the European market. They are promoted by manufacturers as healthier alternatives to tobacco cigarettes, however debate among scientists and public health experts about their possible impact on health and indoor air quality means further research into the product is required to ensure decisions of policymakers, health care providers and consumers are based on sound science. This study investigated and characterised the impact of 'vaping' (using electronic cigarettes) on indoor environments under controlled conditions using a 30m(3) emission chamber. ⋯ Possible long term effects of e-cigarettes on health are not yet known. E-cigarettes, the impact of vaping on health and the composition of refill liquids require therefore further research into the product characteristics. The consumers would benefit from harmonised quality and safety improvements of e-cigarettes and refill liquids.
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Int J Hyg Environ Health · Sep 2014
Elevated blood Hg at recommended seafood consumption rates in adult seafood consumers.
Mercury (Hg) exposure from seafood continues to be a public health concern due to health effects from elevated exposure, increasing worldwide seafood consumption, and continued Hg inputs into the environment. Elevated Hg exposure can occur in populations with specialized diets of sport-caught freshwater fish. However, we need a better understanding of Hg exposure from seafood, the most common exposure source, and from specific seafood types. ⋯ Blood Hg concentrations were positively associated with weekly tuna steak or sushi intake (β=6.30 change in blood Hg, μg L(-1)) and monthly (β=2.54) or weekly (β=9.47) swordfish, shark or marlin intake. Our findings show that seafood consumers in this population have elevated Hg exposures even at relatively low seafood consumption rates that are at or below current dietary recommendations. Further study should examine health risks and benefits of avid seafood consumption, and consider modifying guidelines to include recommendations for specific seafood types.