Results 251 to 260 of about 39,437,158 (299)

Ambient temperature and preterm birth: A case‐crossover study

BJOG: An International Journal of Obstetrics & Gynaecology, 2023
AbstractObjectiveTo investigate the association between ambient temperature and preterm birth (PTB) and to estimate the population attributable fraction (PAF) of PTBs due to low and high temperatures.DesignTime‐stratified case‐crossover design.SettingJapan (46 prefectures, excluding Okinawa), 2011–2020.Sample214 050 PTBs registered in the Japan ...
Shuhei Terada   +3 more
openaire   +2 more sources

The case-crossover study design in pharmacoepidemiology

Statistical Methods in Medical Research, 2009
In the study of the association of transient drug exposures with acute outcomes, the case-crossover design is an efficient alternative to the case-control approach. This design based exclusively on the case series uses within-subject comparisons of drug exposures over time to estimate the rate ratio of the outcome associated with the drug under study ...
Joseph A 'Chris', Delaney, Samy, Suissa
openaire   +2 more sources

Interpretation and bias in case-crossover studies

Journal of Clinical Epidemiology, 1997
The case-crossover design is an innovative epidemiologic technique with distinct strengths and limitations. We review the fundamental logic of this self-matching non-randomized design and direct attention to 15 concerns related to the available data, unavailable data, analytic technique, quantitative statistics, and etiologic model.
D A, Redelmeier, R J, Tibshirani
openaire   +2 more sources

Alcohol and injury. A case-crossover study

Archives of Family Medicine, 1995
To determine whether and to what extent alcohol consumption increases the risk of injury.The case-crossover study is a new research design for assessing rare acute events (such as trauma) in relation to intermittent exposures (such as alcohol use) that have transient effects.
D C, Vinson   +6 more
openaire   +2 more sources

A Case-Crossover Study of Sleep and Childhood Injury

Pediatrics, 2001
Objective.To evaluate the association between sleep and wakefulness duration and childhood unintentional injury.Study Design.Case-crossover study.Methods.Two hundred ninety-two injured children who presented at the Children's Emergency Center of Udine, Italy, or their parents were interviewed after a structured questionnaire.
VALENT, Francesca   +2 more
openaire   +3 more sources

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