Results 11 to 20 of about 6,812,320 (386)

Antibiotics and oral contraceptive failure - a case-crossover study [PDF]

Contraception, 2011
Background: Evidence on the association between antibiotic use and combined oral contraceptive (COC) failure is controversial. We examined the effect of concomitant antibiotic treatment on the risk of breakthrough pregnancy among COC users. Study Designs:
Anderka, Marlene, de Jong-van den Berg, Lolkje T. W., Hernandez-Diaz, Sonia, Mitchell, Allen A., Toh, Sengwee   +4 more
core   +5 more sources

A case-crossover study of heat exposure and injury risk among outdoor construction workers in Washington State

Scandinavian Journal of Work, Environment & Health, 2019
OBJECTIVES: The primary objective of this study was to assess the relationship between heat exposure and occupational traumatic injuries among construction workers.
Miriam M Calkins, David Bonauto, Anjum Hajat, Max Lieblich, Noah Seixas, Lianne Sheppard, June T Spector   +6 more
doaj   +2 more sources

Ambient temperature and intentional homicide: A multi-city case-crossover study in the US

Environment International, 2020
Background: There has been an increasing interest in the association between ambient temperature and violence and crime, in the context of global warming.
Rongbin Xu, Xiuqin Xiong, Michael J. Abramson, Shanshan Li, Yuming Guo   +4 more
doaj   +2 more sources

Short-Term Exposure to Ambient Air Pollution and Schizophrenia Hospitalization: A Case-Crossover Study in Jingmen, China

Atmosphere
The impact of short-term exposure to air pollutants on the morbidity of schizophrenia, particularly in low- and middle-income countries, remains inadequately explored.
Yuwei Zhou, Jixing Yang, Jingjing Zhang, Yixiang Wang, Jiajun Shen, Yalin Zhang, Yuxi Tan, Yunquan Zhang, Chengyang Hu   +8 more
doaj   +2 more sources

Observational Case-Crossover Study [PDF]

, 2020
National Cancer Institute
openalex   +2 more sources

Associations of ambient temperature and heat waves with risks of hepatitis E in Jiangsu, China (2010–2023): A time-stratified case-crossover study [PDF]

Infect Dis Model
Xin Yang, Junjun Wang, Jun Peng, Lijie Zhang, Xiaoqing Cheng   +4 more
openalex   +2 more sources

Cold Spells and the Onset of Acute Myocardial Infarction: A Nationwide Case-Crossover Study in 323 Chinese Cities

Environmental Health Perspectives, 2023
Background: Few studies have explored the relationships between cold spells and acute myocardial infarction (AMI) using the information of symptom onset.
Yixuan Jiang, Shaodong Yi, Chuanyu Gao, Yuguo Chen, Jiyan Chen, Xianghua Fu, Lixia Yang, X. Kong, Mao Chen, H. Kan, D. Xiang, Xiaozhen Su, Renjie Chen   +12 more
semanticscholar   +1 more source

A novel weighting method to remove bias from within-subject exposure dependency in case-crossover studies

BMC Medical Research Methodology, 2021
Background Case-crossover studies have been widely used in various fields including pharmacoepidemiology. Vines and Farrington indicated in 2001 that when within-subject exposure dependency exists, conditional logistic regression can be biased.
Kiyoshi Kubota, Thu-Lan Kelly, Tsugumichi Sato, Nicole Pratt, Elizabeth Roughead, Takuhiro Yamaguchi   +5 more
doaj   +1 more source

Ambient heat and risks of emergency department visits among adults in the United States: time stratified case crossover study

British medical journal, 2021
Objective To quantify the association between ambient heat and visits to the emergency department (ED) for any cause and for cause specific conditions in the conterminous United States among adults with health insurance.
Shengzhi Sun, K. Weinberger, A. Nori-Sarma, K. Spangler, Yuantong Sun, F. Dominici, G. Wellenius   +6 more
semanticscholar   +1 more source

Associations between Short-Term Exposure to Ambient Air Pollution and Influenza: An Individual-Level Case-Crossover Study in Guangzhou, China

Environmental Health Perspectives, 2023
Background: Influenza imposes a heavy burden on public health. Little is known, however, of the associations between detailed measures of exposure to ambient air pollution and influenza at an individual level.
Rong Zhang, K. Lai, Wenhui Liu, Yanhui Liu, Xiaowei Ma, C. Webster, Lei Luo, C. Sarkar   +7 more
semanticscholar   +1 more source