In-utero exposure to indoor air pollution or tobacco smoke and cognitive development in a South African birth cohort study

Christensen, Grace M.; Rowcliffe, Claire; Chen, Junyu; Vanker, Aneesa; Koen, Nastassja; Jones, Meaghan J.; Gladish, Nicole; Hoffman, Nadia; Donald, Kirsten A.; Wedderburn, Catherine J; Kobor, Michæl S.; Zar, Heather J.; Stein, Dan J.; Hüls, Anke

doi:10.1016/j.scitotenv.2022.155394

Cited by 10 publications

(11 citation statements)

References 63 publications

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“…that bear sequelae over the course of an entire lifetime [7]. Exposures to indoor air pollutants in early childhood also tend to have repercussions throughout life [8,9]. It is common sense that the respiratory system bears the maximum brunt as these pollutants get inhaled, affecting the respiratory pathway all the way from the nose to the alveoli.…”

Section: Discussionmentioning

confidence: 99%

Geospatial Mapping of Indoor Air Quality and Respiratory Illnesses in an Urban Slum

Shah¹,

Shabadi²,

Karkra³

et al. 2023

Cureus

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IntroductionAir pollution is a well-recognized determinant of health. The general perception has focused primarily on outdoor pollution, and indoor pollution which may be due to smoking, biomass use, an extension of outdoor pollution, etc. has been neglected. It is therefore imperative to understand the levels of indoor pollution and find out if these are associated with high rates of illnesses, particularly, respiratory diseases. Material and methodsThis was a cross-sectional study involving 300 houses and 727 participants in an urban slum, selected through simple random sampling. Indoor air quality was assessed using the Prana C -Air Plus air quality monitor (Prana Air, New Delhi, India). The instrument detected formaldehyde, air quality index (AQI), temperature, humidity, PM2.5, PM10 particles, and total volatile organic (TVO) compounds. Sociodemographic details were noted, and geospatial mapping was done using Q-GIS software (www.qgis.org). A questionnaire was used to survey the residents of those houses. Ethical committee clearance was obtained before starting the project. ResultsThe mean distribution of pollution parameters over the entire study area was AQI -67.4±65.48, PM 2.5 -37.6±35.82 μg/m 3 , formaldehyde -0.09±0.37 mg/m 3 , PM 10 -43.9±38.59 μg/m 3 , TVO compounds -0.43±2.13 mg/m 3 , CO 2 -1128.9±323.86 ppm, temperature -23.7±21.2 degree Celsius, and PM 1 -24.3±20.5 μg/m 3 ; 2.6% of the participants had respiratory diseases, and a significant association was found between the AQI, TVO compounds and ventilation, and respiratory diseases (p<0.05). ConclusionIndoor air pollution not unlike outdoor pollution can have dramatic health effects and needs to be addressed to lower the overall respiratory disease burden. The AQI, TVOC, and poor ventilation/cross-ventilation are associated with respiratory illnesses. Geospatial mapping shows a concentration of cases in areas of high pollution.

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Section: Discussionmentioning

confidence: 99%

Geospatial Mapping of Indoor Air Quality and Respiratory Illnesses in an Urban Slum

Shah¹,

Shabadi²,

Karkra³

et al. 2023

Cureus

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“…Moreover, recently it has been shown that in-utero exposure to indoor air pollution or tobacco smoke affects cognitive development. 104 Most studies of babies and toddlers have focused on PM and VOCs, especially HCHO. 91,95,100,103,105 There are very few studies where SVOCs and specific compounds (e.g., phthalates) are investigated only for children.…”

Section: Finis Hing Materials Smentioning

confidence: 99%

“…According to previous studies, the elderly and children below 3 years are in general exposed more frequently to indoor pollutants, and consequently they have increased negative health effects (e.g., dermatitis, respiratory illness) 92,95–103 because they spend more time indoors. Moreover, recently it has been shown that in‐utero exposure to indoor air pollution or tobacco smoke affects cognitive development 104 …”

Section: Occupant Demographicsmentioning

confidence: 99%

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A review of critical residential buildings parameters and activities when investigating indoor air quality and pollutants

et al. 2022

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Indoor air in residential dwellings can contain a variety of chemicals, sometimes present at concentrations or in combinations which can have a negative impact on human health. Indoor Air Quality (IAQ) surveys are often required to characterize human exposure or to investigate IAQ concerns and complaints. Such surveys should include sufficient contextual information to elucidate sources, pathways, and the magnitude of exposures. The aim of this review was to investigate and describe the parameters that affect IAQ in residential dwellings: building location, layout, and ventilation, finishing materials, occupant activities, and occupant demography. About 180 peer‐reviewed articles, published from 01/2013 to 09/2021 (plus some important earlier publications), were reviewed. The importance of the building parameters largely depends on the study objectives and whether the focus is on a specific pollutant or to assess health risk. When considering classical pollutants such as particulate matter (PM) or volatile organic compounds (VOCs), the building parameters can have a significant impact on IAQ, and detailed information of these parameters needs to be reported in each study. Research gaps and suggestions for the future studies together with recommendation of where measurements should be done are also provided.

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“…A study showed that early environmental pollution exposure in children under five years old was significantly related to anemia in sub-Saharan Africa [ 10 ]. Another study showed that indoor air pollution affected babies’ cognitive development [ 11 ]. Furthermore, a study in China showed that the cleanliness of the household environment had a positive effect on children’s health [ 12 ].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Living Environment, Health Status of Family Members, and Migrant Elderly following Children’s Attitude about Care on Grandchildren’s Health Status in Weifang, China

et al. 2022

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As urbanization is growing quickly in China, many of the migrant elderly following children (MEFC) have migrated to big cities to care for their grandchildren (grandchildren of MEFC=GMEFC). This study aimed to explore the effects of the living environment, health statuses of family members, and MEFC’s attitude regarding the care of their children (children of MEFC=CMEFC) for their GMEFC on GMEFC’s health statuses in Weifang, China. Multistage cluster random sampling was used to select the participants, and 613 MEFC were included in total. A descriptive analysis, a univariate analysis and a binary logistic regression were used to investigate the association between the related variables and GMEFC’s health statuses. It was found that 74.9% of the GMEFC had excellent health statuses. The GMEFC who had siblings, the CMEF with excellent health statuses, and the MEFC with excellent health statuses were more likely to have GMEFC with excellent health statuses. Moreover, the GMEFC who were female or occasionally had elevators that malfunctioned, the MEFC who were dissatisfied with the CMEFC’s time spent on caring, and the MEFC who did not understand or forgive the CMEFC’s limited time on caring were less likely to have GMEFC with excellent health statuses. The results indicated that a better living environment, better health statuses of family members, and a positive attitude of the MEFC regarding the care of the CMEFC for the GMEFC result in a better health status of the GMEFC.

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In-utero exposure to indoor air pollution or tobacco smoke and cognitive development in a South African birth cohort study

Cited by 10 publications

References 63 publications

Geospatial Mapping of Indoor Air Quality and Respiratory Illnesses in an Urban Slum

Geospatial Mapping of Indoor Air Quality and Respiratory Illnesses in an Urban Slum

A review of critical residential buildings parameters and activities when investigating indoor air quality and pollutants

The Effects of Living Environment, Health Status of Family Members, and Migrant Elderly following Children’s Attitude about Care on Grandchildren’s Health Status in Weifang, China

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