Modifiers of diurnal temperature range and mortality association in six Korean cities
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Modifiers of diurnal temperature range and mortality association in six Korean cities. / Lim, Youn-Hee; Park, Ae Kyung; Kim, Ho.
In: International Journal of Biometeorology, Vol. 56, No. 1, 2012, p. 33-42.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Modifiers of diurnal temperature range and mortality association in six Korean cities
AU - Lim, Youn-Hee
AU - Park, Ae Kyung
AU - Kim, Ho
PY - 2012
Y1 - 2012
N2 - Rapid temperature changes within a single day may be critical for populations vulnerable to thermal stress who have difficulty adjusting themselves behaviorally and physiologically. We hypothesized that diurnal temperature range (DTR) is associated with mortality, and that this association is modified by season and socioeconomic status (SES). We evaluated meteorological and mortality data from six metropolitan areas in Korea from 1992 to 2007. We applied generalized linear models (GLM) for quantifying the estimated effects of DTR on mortality after adjusting for mean temperature, dew point temperature, day of the week, and seasonal and long-term trends. Most areas showed a linear DTR-mortality relationship, with evidence of increasing mortality with increasing DTR. Deaths among the elderly (75 years or older), females, the less educated, and the non-hospital population were associated more strongly with DTR than with the corresponding categories. DTR was the greatest threat to vulnerable study populations, with greater influence in the fall season. DTR was found to be a predictor of mortality, and this relationship was modified by season and SES.
AB - Rapid temperature changes within a single day may be critical for populations vulnerable to thermal stress who have difficulty adjusting themselves behaviorally and physiologically. We hypothesized that diurnal temperature range (DTR) is associated with mortality, and that this association is modified by season and socioeconomic status (SES). We evaluated meteorological and mortality data from six metropolitan areas in Korea from 1992 to 2007. We applied generalized linear models (GLM) for quantifying the estimated effects of DTR on mortality after adjusting for mean temperature, dew point temperature, day of the week, and seasonal and long-term trends. Most areas showed a linear DTR-mortality relationship, with evidence of increasing mortality with increasing DTR. Deaths among the elderly (75 years or older), females, the less educated, and the non-hospital population were associated more strongly with DTR than with the corresponding categories. DTR was the greatest threat to vulnerable study populations, with greater influence in the fall season. DTR was found to be a predictor of mortality, and this relationship was modified by season and SES.
KW - Age Factors
KW - Aged
KW - Cities
KW - Educational Status
KW - Female
KW - Humans
KW - Korea/epidemiology
KW - Male
KW - Mortality
KW - Seasons
KW - Sex Factors
KW - Social Class
KW - Temperature
U2 - 10.1007/s00484-010-0395-0
DO - 10.1007/s00484-010-0395-0
M3 - Journal article
C2 - 21207069
VL - 56
SP - 33
EP - 42
JO - International Journal of Biometeorology
JF - International Journal of Biometeorology
SN - 0020-7128
IS - 1
ER -
ID: 230072362