Associations between perceptions of odors and dryness and children’s asthma and allergies: A cross-sectional study of home environment in Baotou

Bu, Zhongming; Wang, Lifang; Weschler, Louise B.; Li, Baizhan; Sundell, Jan; Zhang, Yinping

doi:10.1016/j.buildenv.2016.06.023

Cited by 22 publications

(24 citation statements)

References 60 publications

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“…This indicated that different correlation coefficients (low or high) with each other reflected different aspects of the perceived IAQ. Similar findings have been reported when the parents of children reported IAQ perceptions for the home environment in China [22].…”

Section: Discussionsupporting

confidence: 87%

Perception of indoor air quality (IAQ) by workers in underground shopping centers in relation to sick-building syndrome (SBS) and store type: a cross-sectional study in Korea

et al. 2019

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Background We examined the indoor air quality (IAQ) perceptions of workers and their relationships with the symptoms of sick-building syndrome (SBS) and store types in underground shopping centers. Methods In 2017, 314 store workers in nine underground shopping centers in Seoul, Korea, were assessed. The all participants’ stores were partially opened onto a passage. Using questionnaires, they were asked about their demographics, job characteristics, 16 SBS symptoms, and seven IAQ perceptions. The SBS symptoms were categorized as skin, eye irritation, respiratory, or general. An IAQ perception score was calculated by adding the number of positive responses to each type of IAQ and categorized into three levels. Results The prevalence of SBS symptom groups in the previous month was 43.6% for skin symptoms, 62.4% for eye irritation symptoms, 65.6% for respiratory symptoms, and 64.7% for general symptoms. Participants who perceived IAQ were more likely to have SBS symptoms (odds ratio: 1.81–7.84). The type of store employing the workers was associated with several IAQ perceptions. Subjects who worked in clothing and fashion-accessory stores were more likely to have high IAQ perception scores than those who worked in food services. Conclusions About half of the store workers in underground shopping centers had experienced SBS symptom groups in the previous month. The SBS symptom groups were associated with almost all IAQ perceptions. Because IAQ perception was associated with store type, studies of IAQ in working areas might need to improve store workers’ health in underground shopping centers. Electronic supplementary material The online version of this article (10.1186/s12889-019-6988-6) contains supplementary material, which is available to authorized users.

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Section: Discussionsupporting

confidence: 87%

Perception of indoor air quality (IAQ) by workers in underground shopping centers in relation to sick-building syndrome (SBS) and store type: a cross-sectional study in Korea

et al. 2019

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“…The reported rate of "dry air perception" is high in Tianjin, 53.1% in our study. We found that dryness was significantly associated with dampness indicators, consistent with findings from previous studies [34] [35] [36]. "Perceived dry air" has been shown to not necessarily be due to physically dry indoor air [37] but rather to polluted air.…”

Section: Discussionsupporting

confidence: 91%

Children's Respiratory Infections in Tianjin, China: Associations with Home Environments and Life Styles

Lv¹,

Sun²,

Hou³

et al. 2019

SSRN Journal

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Background: Children spend most of their indoors time at home. This study is to identify the incidences of respiratory infections among children and their associations with home environments and life styles. Methods: We conducted a cross-sectional study to identify the associations of home environments and lifestyles with respiratory infections among children aged 0-8 in the Tianjin area, China. Results: The lifetime-ever incidences of croup, tuberculosis (TB), pneumonia and ear infection among children aged 0-8 in Tianjin area was 9.2%, 0.7%, 28.7% and 11.6%. The incidence of common cold infections more than twice per year was 31.3%. Home environment and life styles were strong risk factors for childhood respiratory infections. Dry air perception had the greatest associations with childhood pneumonia (PAF=14.6%) and common cold (16.8%), while Cesarean delivery had the greatest association with croup (18.7%) and ear infection (18.5%). Daycare attendance accounted for 14.4% of the incidence of frequent common colds. Infrequent sun-curing bedding is a risk factor associated with pneumonia (11.2%), ear infection (17.1%) and frequent common colds (8.6%). Conclusions: Factors related to "modern" home environments and life styles are risks for childhood respiratory infections. Modifying such factors might reduce the respiratory infections among children.

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“…Our finding that home indoor dampness indicators were highly correlated with odour perceptions is consistent with the recent Baotou CCHH study. 30…”

Section: Discussionmentioning

confidence: 99%

“…This may be due to dampness being a cause of mould, wood-rotting fungi and bacterial growth, as well as increased VOCs emissions from building materials, 46 which increases odorous air pollutants that may cause sensory irritation. 30 Use of a coal stove for heating was also associated with the perception of air dryness. Coal stoves are sources of pollutants such as CO, formaldehyde, NO and NO 2 .…”

Section: Discussionmentioning

confidence: 99%

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Dampness problems in Tianjin dwellings: A cross-sectional study of associations with building characteristics and lifestyles

Kong

Sun

Weschler

et al. 2018

Indoor and Built Environment

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This study investigated the association of building characteristics and occupant behaviours with building dampness indicators. Data were from a cross-sectional study in urban Tianjin and rural Cangzhou, China, from 2013 to 2014. We studied two fundamental types of Chinese dwellings: bungalows typical of rural locales and apartments in low- and high-rise buildings typical of urban settings. Occupants of bungalows reported more dampness indicators than apartment dwellers. Risk factors for one or more dampness indicators included natural ventilation without fans, older dwellings and coal stove or Kang heating system (a brick bed installed in the bedroom for heating and sleeping). All these factors were typical of bungalows, which generally used older building technologies including non-insulated external walls, wooden frame windows, electric fans for cooling and no exhaust fan ventilation. Occupant behaviours that decreased the risk for dampness indicators included frequent window opening and daily cleaning, regardless of the type of dwelling. Indoor dampness was highly correlated with mouldy and humid odour, and paradoxically (although not a new finding) with the perception of air dryness.

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Associations between perceptions of odors and dryness and children’s asthma and allergies: A cross-sectional study of home environment in Baotou

Cited by 22 publications

References 60 publications

Perception of indoor air quality (IAQ) by workers in underground shopping centers in relation to sick-building syndrome (SBS) and store type: a cross-sectional study in Korea

Perception of indoor air quality (IAQ) by workers in underground shopping centers in relation to sick-building syndrome (SBS) and store type: a cross-sectional study in Korea

Children's Respiratory Infections in Tianjin, China: Associations with Home Environments and Life Styles

Dampness problems in Tianjin dwellings: A cross-sectional study of associations with building characteristics and lifestyles

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