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Atmosphere 2017, 8(4), 70;

Effect of Missing Data on Estimation of the Impact of Heat Waves: Methodological Concerns for Public Health Practice

Department of Orthopaedic Surgery, University of Missouri, Columbia, MO 65212, USA
Department of Statistics, University of Florida, Gainesville, FL 32611, USA
Florida Department of Health, Tallahassee, FL 32399, USA
Author to whom correspondence should be addressed.
Academic Editor: Christina Anagnostopoulou
Received: 29 December 2016 / Revised: 30 March 2017 / Accepted: 31 March 2017 / Published: 4 April 2017
(This article belongs to the Special Issue Temperature Extremes and Heat/Cold Waves)
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(1) Background: To demonstrate the potential effects of missing exposure data and model choice on public health conclusions concerning the impact of heat waves on heat-related morbidity. (2) Methods: Using four different methods to impute missing exposure data, four statistical models (case-crossover, time-series, zero-inflated, and truncated models) are compared. The methods are used to relate heat waves, based on heat index, and heat-related morbidities for Florida from 2005–2012. (3) Results: Truncated models using maximum daily heat index, imputed using spatio-temporal methods, provided the best model fit of regional and statewide heat-related morbidity, outperforming the commonly used case-crossover and time-series analysis methods. (4) Conclusions: The extent of missing exposure data, the method used to impute missing exposure data and the statistical model chosen can influence statistical inference. Further, using a statewide truncated negative binomial model, statistically significant associations between heat-related morbidity and regional heat index effects were identified. View Full-Text
Keywords: missing data; heat waves; climate change; Florida missing data; heat waves; climate change; Florida

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Leary, E.; Young, L.J.; Jordan, M.M.; DuClos, C. Effect of Missing Data on Estimation of the Impact of Heat Waves: Methodological Concerns for Public Health Practice. Atmosphere 2017, 8, 70.

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