Abstract:
:We report results of a multiple regression analysis examining associations between aggregate daily mortality counts and environmental variables in Los Angeles County, California for the period 1970 to 1979. Mortality variable included total deaths not due to accidents and violence (M), deaths due to cardiovascular causes (CV), and deaths due to respiratory causes (Resp). The environmental variables included five pollutants averaged over Los Angeles County--total oxidants (Ox), sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon monoxide (CO), and KM (a measure of particulate optical reflectance). Also included were three metereological variables measured at the Los Angeles International Airport--temperature (Temp), relative humidity (RH), and extinction coefficient (Bext), the latter estimated from noontime visual range. To reduce the possibility of spurious correlations arising from the shared seasonal cycles of mortality and environmental variables, seasonal cycles were removed from the data by applying a high-pass filter. Cross-correlation functions were examined to determine the lag structure of the data prior to specifying and fitting the multiple regression models relating mortality and the environmental variables. The results demonstrated significant associations of M (or CV) with Ox at lag 1, temperature, and NO2, CO, or KM. Each of the latter three variables were strongly associated with daily mortality but also were highly correlated with one another in the high-frequency band, making it impossible to uniquely estimate their separate relationships to mortality. The results of this study show that small but significant associations exist in Los Angeles County between daily mortality and three separate environmental factors: temperature, primary motor vehicle-related pollutants (e.g., CO, KM, NO2), and photochemical oxidants.
journal_name
Environ Resjournal_title
Environmental researchauthors
Kinney PL,Ozkaynak Hdoi
10.1016/s0013-9351(05)80094-5subject
Has Abstractpub_date
1991-04-01 00:00:00pages
99-120issue
2eissn
0013-9351issn
1096-0953pii
S0013-9351(05)80094-5journal_volume
54pub_type
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1006/enrs.2000.4082
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journal_title:Environmental research
pub_type: 杂志文章
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journal_title:Environmental research
pub_type: 杂志文章
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更新日期:2016-05-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-07-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-02-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-12-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1016/j.envres.2016.12.004
更新日期:2017-02-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/0013-9351(83)90004-x
更新日期:1983-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-10-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
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更新日期:2013-10-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1006/enrs.1998.3888
更新日期:1999-02-01 00:00:00
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更新日期:2019-08-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2020.109179
更新日期:2020-04-01 00:00:00
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pub_type: 杂志文章
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更新日期:2019-06-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2020-09-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/j.envres.2019.04.017
更新日期:2019-07-01 00:00:00
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journal_title:Environmental research
pub_type: 杂志文章
doi:10.1016/s0013-9351(89)80071-4
更新日期:1989-08-01 00:00:00