title: The effects of ambient temperature variation on respiratory hospitalizations in summer, New York State.
abstract: OBJECTIVE
  A time-series study was used to assess the effect of temperature variation during summer on respiratory disease in New York State.
  
  
  METHODS
  Daily respiratory admissions were linked with various meteorological indicators including daily and weekly temperature variation from June-August, 1991-2004. Two-stage Bayesian hierarchical models were used to first compute percent excess risks at the region level while controlling for air pollutants and time-varying variables using Poisson generalized additive models, and then to pool statewide estimates together after controlling for regional confounders.
  
  
  RESULTS
  This study found that the daily temperature range between maximum and minimum temperature was associated with a 0·27-0·38% increased risk of admission. Minimum temperature (TMIN) above the previous 6-day average was associated with a 0·93% higher risk of respiratory morbidity. Multiday temperature ranges within 5 and 7 days were associated with 0·49 and 0·73% increases in admissions, respectively.
  
  
  CONCLUSIONS
  We concluded that daily and multiday temperature variation may increase respiratory hospitalizations with a larger risk associated with TMIN.
authors.affiliation: New York State Department of Health, Troy, NY, USA. sxl05@health.state.ny.us
authors.forename: Shao
authors.initials: S
authors.lastname: Lin
authors.forename: Tabassum Z
authors.initials: TZ
authors.lastname: Insaf
authors.forename: Ming
authors.initials: M
authors.lastname: Luo
authors.forename: Syni-An
authors.initials: SA
authors.lastname: Hwang
mesh_terms: D000328:Adult; D000368:Aged; D000393:Air Pollutants / Q000032:analysis* / Q000633:toxicity; D001499:Bayes Theorem; D002648:Child; D004781:Environmental Exposure; D006760:Hospitalization / Q000706:statistics & numerical data; D006358:Hot Temperature; D006801:Humans; D009518:New York / Q000453:epidemiology; D016012:Poisson Distribution; D012140:Respiratory Tract Diseases / Q000453:epidemiology / Q000209:etiology*; D012306:Risk; D012307:Risk Factors; D012621:Seasons; D013997:Time Factors
chemical_list: D000393:Air Pollutants