Biomass fuel use and the risk of asthma in Nigerian children

Thacher, Jesse D.; Emmelin, Anders; Madaki, Aboi Jk; Thacher, Tom D.

doi:10.1016/j.rmed.2013.09.009

Cited by 41 publications

(37 citation statements)

References 28 publications

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“…This results in substantial emissions, with high levels of indoor pollution. Biomass exposure to wood for cooking or heating the home thus poses a significant risk for current asthma, due to high level of respirable particulate matter, further confirming findings from other studies . Many wood smoke constituents cause both acute and chronic biologic, physiologic, and structural effects in the lungs including obstructive symptoms .…”

Section: Discussionsupporting

confidence: 82%

“…Many households in low and middle‐income countries burn biomass fuels in open fireplaces or in non‐airtight cooking or heating stoves . This results in substantial emissions, with high levels of indoor pollution.…”

Section: Discussionmentioning

confidence: 99%

“…biomass fuels in open fireplaces or in non-airtight cooking or heating stoves. 26,27 This results in substantial emissions, with high levels of indoor pollution. Biomass exposure to wood for cooking or heating the home thus poses a significant risk for current asthma, due to high level of respirable particulate matter, further confirming findings from other studies.…”

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

“…Biomass exposure to wood for cooking or heating the home thus poses a significant risk for current asthma, due to high level of respirable particulate matter, further confirming findings from other studies. 22,[26][27][28][29][30] Many wood smoke constituents cause both acute and chronic biologic, physiologic, and structural effects in the lungs including obstructive symptoms. 26 Further use of gas for heating or cooking is increasingly occurring in these areas, as the population becomes less poor.…”

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

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Environmental risk factors for asthma in 13‐14 year old African children

Ayuk

Ramjith

Zar

2018

Pediatric Pulmonology

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Background Asthma prevalence in African children is high. Factors driving the prevalence or disease severity are poorly understood. This study aims to investigate environmental factors associated with asthma and severity in African children. Methods Population based cross‐sectional study of children aged 13–14 years from 10 African centers who participated in ISAAC III. Self‐reported environmental exposures included engaging in physical exercise, television watching, various biomass and ETS exposure, consumption of paracetamol, large family sizes and having pets in the home. Univariable and multivariable analyses were done adjusting for center variations. Prevalences, odds ratio and 95% confidence intervals (CI) were calculated. Results There were 258 267 children recruited among the 13‐14‐year‐old participants. Of these, 28,391 respondents from 232 schools completed both the written questionnaire (WQ) and environmental questionnaire (EQ). The prevalence of asthma and severe asthma were 12.8% (CI 12.4‐13.2), and 8.7% (CI 8.4‐8.0) respectively. Factors strongly associated with asthma were maternal smoking (OR = 1.41; 95%CI: 1.23‐1.64), open fire heating (OR = 1.28; 95%CI: 1.08‐1.51) electric heating (OR = 1.13; 95%CI: 1.01‐1.28), physical exercise (OR = 1.29; 95%CI: 1.11‐1.50), monthly paracetamol use (OR 1.23; 95%CI 1.13‐1.33), having an elder sibling (OR = 0.87; 95%CI 0.77‐0.98). Factors associated with severe asthma were maternal smoking (OR = 1.61; 95%CI: 1.38‐1.89), cat pet (OR = 1.14; 95%CI: 1.04‐1.25), frequent physical exercise (OR = 1.42; 95%CI: 1.23‐1.64) and monthly paracetamol use (OR = 1.20; 95%CI 1.07, 1.34). Conclusion Several environmental exposures were associated with asthma and severe disease.

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Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 99%

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

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Environmental risk factors for asthma in 13‐14 year old African children

Ayuk

Ramjith

Zar

2018

Pediatric Pulmonology

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“…Uncontrolled, unventilated firewood combustion leads to air pollution, which is associated with high disease burden including respiratory diseases (Thacher et al, 2013;Wong et al, 2013). In this survey, no associations were sought between use of firewood and respiratory symptoms.…”

Section: Discussionmentioning

confidence: 99%

Childhood Respiratory Morbidity and Cooking Practices Among Households in a Predominantly Rural Area of Ghana

Asante¹,

Kinney²,

Zandoh³

et al. 2016

AJID

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Background: Household air pollution is a leading risk factor for respiratory morbidity and mortality in developing countries where biomass fuel is mainly used for cooking. Materials and Method: A household cross-sectional survey was conducted in a predominantly rural area of Ghana in 2007 to determine the prevalence of respiratory symptoms and their associated risk factors. Household cooking practices were also assessed as part of the survey. Results: Household heads of twelve thousand, three hundred and thirty-three households were interviewed. Fifty-seven percent (7006/12333) of these households had at least one child less than five years of age. The prevalence of symptoms of acute lower respiratory infections (ALRI) was 13.7% (n= 957, 95% CI 12.8 -15.5%). A majority (77.8%, 95% CI, 77.7 -78.5%) of households used wood as their primary fuel. Majority of respondents who used wood as their primary fuel obtained them by gathering wood from their neighborhood (95.6%, 9177/9595) and used a 3-stone local stove for cooking (94.9%, 9101/9595). In a randomly selected subset of respondents, females were the persons who mostly gathered firewood from the fields (90.8%, 296/326) and did the cooking (94.8%, 384/406) for the household. Conclusion: Symptoms of ALRI reported by caregivers is high in the Kintampo area of Ghana where biomass fuel use is also high. There is the need to initiate interventions that use improved cook stoves and to test the health benefits of such interventions.

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Indoor Biomass Burning and Health Consequences

Balmes

2015

Molecular and Integrative Toxicology

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Biomass fuel use and the risk of asthma in Nigerian children

Abstract: Reported smoke exposure was not associated with an increased risk of asthma symptoms or airway obstruction. However, lifetime smoke exposure may explain the reduction in spirometric values in female subjects and with advancing age.

Cited by 41 publications

References 28 publications

Environmental risk factors for asthma in 13‐14 year old African children

Environmental risk factors for asthma in 13‐14 year old African children

Childhood Respiratory Morbidity and Cooking Practices Among Households in a Predominantly Rural Area of Ghana

Indoor Biomass Burning and Health Consequences

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