Results 21 to 30 of about 22,838,112 (390)

Psychosocial and stress-related risk factors for abnormal menstrual cycle pattern among adolescent girls: A case-control study

open access: yesJournal of Education and Health Promotion, 2020
BACKGROUND: Menstruation is a normal physiological process among reproductive age group females. Although some of them show the abnormal menstrual pattern, which is influenced by several factors, including sociodemographic status, psychosocial stress ...
Nishu Jha   +6 more
doaj   +1 more source

Designing Case-Control Studies [PDF]

open access: yesEnvironmental Health Perspectives, 1979
Identification of confounding factors, evaluation of their influence on cause-effect associations, and the introduction of appropriate ways to account for these factors are important considerations in designing case-control studies. This paper presents designs useful for these purposes, after first providing a statistical definition of a confounding ...
openaire   +2 more sources

a case–control seroprevalence study [PDF]

open access: yes, 2015
Background Infection with Toxoplasma gondii can be acquired via the ingestion of undercooked or raw meat containing tissue cysts, or via ingestion of water contaminated with oocysts.
Alvarado-Esquivel, Cosme   +7 more
core   +1 more source

Design and data analysis case-controlled study in clinical research

open access: yesAnnals of Indian Academy of Neurology, 2013
Clinicians during their training period and practice are often called upon to conduct studies to explore the association between certain exposures and disease states or interventions and outcomes. More often they need to interpret the results of research
Sanjeev V Thomas   +2 more
doaj   +1 more source

Anticholinergic drugs and risk of dementia: case-control study

open access: yesBritish medical journal, 2018
Objectives To estimate the association between the duration and level of exposure to different classes of anticholinergic drugs and subsequent incident dementia. Design Case-control study.
K. Richardson   +15 more
semanticscholar   +1 more source

Motor skills in children with primary headache: A pilot case-control study [PDF]

open access: yes, 2018
Background: Headache is the most common painful manifestation in the developmental age, often accompanied by severe disability such as scholastic absenteeism, low quality of academic performance and compromised emotional functioning. The aim of the study
Cerroni F.   +21 more
core   +1 more source

A case-control study of the effect of infant feeding on celiac disease [PDF]

open access: yes, 2001
Aims: The aim of this study was to investigate the association between the duration of breast-feeding and the age at the first gluten introduction into the infant diet and the incidence and age at onset of celiac disease. Methods: In a case-control study,
Erbersdobler, Helmut F.   +3 more
core   +1 more source

Combining controls can improve power in two-stage association studies

open access: yesBMC Genetics, 2018
Background High dimensional case control studies are ubiquitous in the biological sciences, particularly genomics. To maximise power while constraining cost and to minimise type-1 error rates, researchers typically seek to replicate findings in a second ...
James Liley
doaj   +1 more source

High Density Lipoprotein Cholesterol as a Risk Factor of Coronary Artery Diseases in Young Western Indians: A Comparison with Other Lipid Markers [PDF]

open access: yesNational Journal of Laboratory Medicine, 2016
Introduction: Dyslipidemia – a modifiable risk factor of Coronary Artery Diseases (CAD) is often subjected to ethnic variations. Different communities are known to possess different pattern of lipid abnormalities and study of it is highly required in
Jagjeet K. Deshmukh   +7 more
doaj   +1 more source

The magnitude of perinatal mortality rate and associated risk factors among deliveries at Dilla University Referral Hospital, Southern Ethiopia: A case-control study

open access: yesHealthcare in Low-resource Settings, 2022
The perinatal mortality rate is the sum of stillbirths and early neonatal deaths divided by the number of pregnancies of seven or more months’ duration. In Ethiopia, the death rate was 33 deaths/1000 total births in 2016.
Kefale Lelamo Legu   +2 more
doaj   +1 more source

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