Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study

Thach T-Q, Zheng Q, Lai P-C, Wong PP-Y, Chau PY-K, Jahn HJ, Plaß D, Katzschner L, Krämer A, Wong C-M (2015)
The Science of The Total Environment 502: 666-672.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Aims: Physiological equivalent temperature (PET) is a widely used index to assess thermal comfort of the human body. Evidence on how thermal stress-related health effects vary with small geographical areas is limited. The objectives of this study are (i) to explore whether there were significant patterns of geographical clustering of thermal stress as measured by PET and mortality and (ii) to assess the association between PET and mortality in small geographical areas. Methods: A small area ecological cross-sectional study was conducted at tertiary planning units (TPUs) level. Age-standardized mortality rates (ASMR) and monthly deaths at TPUs level for 2006 were calculated for cause-specific diseases. A PET map with 100 m x 100 m resolution for the same period was derived from Hong Kong Urban Climatic Analysis Map data and the annual and monthly averages of PET for each TPU were computed. Global Moran's land local indicator of spatial association (LISA) analyses were performed. A generalized linear mixed model was used to model monthly deaths against PET adjusted for socio-economic deprivation. Results: We found positive spatial autocorrelation between PET and ASMR. There were spatial correlations between PET and ASMR, particularly in the north of Hong Kong Island, most parts of Kowloon, and across New Territories. Al degrees C change in PET was associated with an excess risk (%) of 2.99 (95% Cl: 0.50-5.48) for all natural causes, 4.75 (1.14-836) for cardiovascular, 739 (4.64-10.10) for respiratory diseases in the cool season, and 4.31 (0.12 to 8.50) for cardiovascular diseases in the warm season. Conclusions: Variations between TPUs in PET had an important influence on cause-specific mortality, especially in the cool season. PET may have an impact on the health of socio-economically deprived population groups. Our results suggest that targeting policy interventions at high-risk areas may be a feasible option for reducing PET-related mortality. (C) 2014 Elsevier B.V. All rights reserved.
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The Science of The Total Environment
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502
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666-672
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Thach T-Q, Zheng Q, Lai P-C, et al. Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study. The Science of The Total Environment. 2015;502:666-672.
Thach, T. - Q., Zheng, Q., Lai, P. - C., Wong, P. P. - Y., Chau, P. Y. - K., Jahn, H. J., Plaß, D., et al. (2015). Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study. The Science of The Total Environment, 502, 666-672. doi:10.1016/j.scitotenv.2014.09.057
Thach, T. - Q., Zheng, Q., Lai, P. - C., Wong, P. P. - Y., Chau, P. Y. - K., Jahn, H. J., Plaß, D., Katzschner, L., Krämer, A., and Wong, C. - M. (2015). Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study. The Science of The Total Environment 502, 666-672.
Thach, T.-Q., et al., 2015. Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study. The Science of The Total Environment, 502, p 666-672.
T.-Q. Thach, et al., “Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study”, The Science of The Total Environment, vol. 502, 2015, pp. 666-672.
Thach, T.-Q., Zheng, Q., Lai, P.-C., Wong, P.P.-Y., Chau, P.Y.-K., Jahn, H.J., Plaß, D., Katzschner, L., Krämer, A., Wong, C.-M.: Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study. The Science of The Total Environment. 502, 666-672 (2015).
Thach, Thuan-Quoc, Zheng, Qishi, Lai, Poh-Chin, Wong, Paulina Pui-Yun, Chau, Patsy Yuen-Kwan, Jahn, Heiko J., Plaß, Dietrich, Katzschner, Lutz, Krämer, Alexander, and Wong, Chit-Ming. “Assessing spatial associations between thermal stress and mortality in Hong Kong: A small-area ecological study”. The Science of The Total Environment 502 (2015): 666-672.

2 Zitationen in Europe PMC

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Spatial Variability of Geriatric Depression Risk in a High-Density City: A Data-Driven Socio-Environmental Vulnerability Mapping Approach.
Ho HC, Lau KK, Yu R, Wang D, Woo J, Kwok TCY, Ng E., Int J Environ Res Public Health 14(9), 2017
PMID: 28858265

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