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Unclean Cooking Fuel Use and Slow Gait Speed Among Older Adults From 6 Countries

Authors
 Lee Smith  ;  Guillermo F López Sánchez  ;  Damiano Pizzol  ;  Masoud Rahmati  ;  Dong Keon Yon  ;  Andrew Morrison  ;  Jasmine Samvelyan  ;  Nicola Veronese  ;  Pinar Soysal  ;  Mark A Tully  ;  Laurie Butler  ;  Yvonne Barnett  ;  Jae Il Shin  ;  Ai Koyanagi 
Citation
 JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES, Vol.78(12) : 2318-2324, 2023-12 
Journal Title
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES
ISSN
 1079-5006 
Issue Date
2023-12
MeSH
Aged ; Aging ; Air Pollution, Indoor* / adverse effects ; Air Pollution, Indoor* / analysis ; China ; Cooking ; Cross-Sectional Studies ; Female ; Humans ; Male ; Walking Speed*
Keywords
Gait speed ; Indoor air pollution ; Older adults ; Pollutants ; Unclean cooking fuel
Abstract
Background: Outdoor air pollution has been reported to be associated with frailty (including slow gait speed) in older adults. However, to date, no literature exists on the association between indoor air pollution (eg, unclean cooking fuel use) and gait speed. Therefore, we aimed to examine the cross-sectional association between unclean cooking fuel use and gait speed in a sample of older adults from 6 low- and middle-income countries (China, Ghana, India, Mexico, Russia, and South Africa).

Methods: Cross-sectional, nationally representative data from the World Health Organization Study on global AGEing and adult health were analyzed. Unclean cooking fuel use referred to the use of kerosene/paraffin, coal/charcoal, wood, agriculture/crop, animal dung, and shrubs/grass based on self-report. Slow gait speed referred to the slowest quintile based on height, age, and sex-stratified values. Multivariable logistic regression and meta-analysis were done to assess associations.

Results: Data on 14 585 individuals aged ≥65 years were analyzed (mean [standard deviation] age 72.6 [11.4] years; 45.0% males). Unclean cooking fuel use (vs clean cooking fuel use) was significantly associated with higher odds for slow gait speed (odds ratio = 1.45; 95% confidence interval: 1.14-1.85) based on a meta-analysis using country-wise estimates. The level of between-country heterogeneity was very low (I2 = 0%).

Conclusions: Unclean cooking fuel use was associated with slower gait speed among older adults. Future studies of longitudinal design are warranted to provide insight into the underlying mechanisms and possible causality.
Full Text
https://academic.oup.com/biomedgerontology/article/78/12/2318/7140488
DOI
10.1093/gerona/glad109
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Shin, Jae Il(신재일) ORCID logo https://orcid.org/0000-0003-2326-1820
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/197512
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