Results 321 to 330 of about 7,367,624 (346)
Some of the next articles are maybe not open access.

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

Differential Misclassification of Exposure in Case-Crossover Studies

Epidemiology, 2004
The aim of this study is to examine 2 types of differential misclassification of exposure in case-crossover studies. The first is the outcome-dependent misclassification of exposure, meaning that if an event has occurred, it could affect the reporting of exposure.
Anne-Charlotte Hessén-Söderman   +2 more
openaire   +2 more sources

Within‐subject exposure dependency in case‐crossover studies

Statistics in Medicine, 2001
AbstractIn the case‐crossover design, only cases are sampled and the hazard ratio is estimated from within‐subject comparisons of exposures at the event time and in M control periods prior to the event. We consider the effect of within‐subject dependence of exposures in successive time periods.
S. K. Vines, C. P. Farrington
openaire   +3 more sources

Pregabalin and injury: A nested case‐control and case‐crossover study

Pharmacoepidemiology and Drug Safety, 2020
AbstractPurposeThis study was performed to investigate the association between the use of pregabalin and injury.MethodsThe study was based on a predefined cohort of patients aged ≥20 years who had been registered for ≥6 months and contributed to the Japan Medical Data Center claims database.
Kent Doi   +6 more
openaire   +2 more sources

Benzodiazepine use and criminal activity : a case-crossover study

2023
The relationship between drug use and crime has been well-established in the literature among groups of illicit recreational substances. There is a paucity of literature investigating the misuse of prescribed pharmaceutical drugs and their contribution to the drug crime link. Benzodiazepines are a class of prescription anxiolytic drugs commonly used to
openaire   +1 more source

Fluoroquinolone use and serious arrhythmias: A nationwide case-crossover study

Resuscitation, 2019
Fluoroquinolones have been associated with life-threatening ventricular arrhythmias and even sudden cardiac death. We aimed to assess the temporal relationship of fluoroquinolone use and serious arrhythmias via a case-crossover analysis of a large cohort of serious arrhythmias patients.In a national administrative database, we compare the distributions
Lorenzo Porta   +5 more
openaire   +3 more sources

Case–Crossover Study of Partner and Situational Factors for Unprotected Sex

JAIDS Journal of Acquired Immune Deficiency Syndromes, 2002
To identify situational and partner characteristics associated with unprotected sex among women at risk for HIV infection.The most recent unprotected and protected sexual encounters were compared using a case-crossover design among 1,647 women enrolled in a prospective cohort study conducted in six U.S. cities.
Beryl A. Koblin   +6 more
openaire   +3 more sources

Weather as a risk factor for epileptic seizures: A case‐crossover study

Epilepsia, 2017
SummaryObjectiveMost epileptic seizures occur unexpectedly and independently of known risk factors. We aimed to evaluate the clinical significance of patients’ perception that weather is a risk factor for epileptic seizures.MethodsUsing a hospital‐based, bidirectional case‐crossover study, 604 adult patients admitted to a large university hospital in ...
René Schiffner   +8 more
openaire   +3 more sources

A case crossover study of triggers for hand injuries in commercial fishing

Occupational and Environmental Medicine, 2007
Objectives:Previous studies estimate hand and wrist injuries are common in commercial fishing. Risk factors including working with catch, handling gear and slips or falls, have been identified from activity and injury contact reports, but no studies have examined the influence of transient risk factors, or triggers. This case crossover study design was
Stephen W. Marshall   +2 more
openaire   +3 more sources

Association of Cerebrovascular Events With Antidepressant Use: A Case-Crossover Study

American Journal of Psychiatry, 2011
The authors sought to assess the risk of cerebrovascular events associated with use of antidepressant medications.The authors conducted a case-crossover study of 24,214 patients with stroke enrolled in the National Health Insurance Research Database in Taiwan from 1998 to 2007.
Yu-Cheng Cheng   +3 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy