Studies cohort studies. Medical search. Frequent questions

Methods - This was a population-based cohort study conducted using linked provincial health administrative data in Ontario, Canada (2009-20). (ices.on.ca)

Thus a group of people who were born on a day or in a particular period, say 1948, form a birth cohort. (wikipedia.org)
Findings from a major birth cohort study in Brazil suggest that children exposed to life threatening or horrifying events, such as witnessing someone die, or experiencing serious injury or sexual violence, are almost twice as likely to develop psychiatric disorders. (chadd.org)
This E.D. TAB is the first report produced using data from the second round of data collection for the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), a study of a nationally representative sample of children born in the year 2001. (ed.gov)
It might be possible to develop a simple test to identify newborn children who are at risk of later developing atopic dermatitis (AD), according to findings from a Danish prospective birth cohort study. (medscape.com)
We aimed to describe gluten-free diet adherence rates in children with screening-identified celiac disease, determine adherence-related factors, and compare adherence to food records in a multinational prospective birth cohort study. (lu.se)

Multicentre cohort study of 16-70-year-olds admitted to 4 UK hospitals following injury. (springer.com)

A cohort study is a particular form of longitudinal study that samples a cohort (a group of people who share a defining characteristic, typically those who experienced a common event in a selected period, such as birth or graduation), performing a cross-section at intervals through time. (wikipedia.org)
As well, a longitudinal approach enabled us to identify potential effects of medical education on a single cohort and compare them to those found in the US longitudinal study. (cmaj.ca)
It prominently features a longitudinal study of a national cohort of a million or more people to customize interventions based on a person's genetics and other factors. (cdc.gov)

However, educated hypotheses based on prior research and background knowledge are used to select variables to be included in the regression model for cohort studies, and statistical methods can be used to identify and account for potential confounders from these variables. (wikipedia.org)
Methods We conducted a cohort study using 106 678 participants of a community-based screening service in Taiwan, 2005-2012. (bmj.com)
Methods: We conducted a 2-year prospective cohort study of subjects surviving COVID-19, including individuals fulfilling the WHO PCC definition and subjects with full clinical recovery. (ssrn.com)
Methods: This prospective cohort study was a pre-defined sub-study of EU-CERT-ICD trial conducted at 44 centers in 15 EU countries between May 12, 2014, and September 6, 2018. (uni-muenchen.de)
Methods: Using data from the Tehran Lipid and Glucose Study, 1169 adolescents (12-18 years old) were followed into their young adulthood (28-32 years old), from 2002 to 2016. (who.int)
Methods: This study comprises 626 respondents (age: 65-98 years). (lu.se)
Methods Children in The Environmental Determinants of Diabetes in the Young study with celiac disease were included. (lu.se)

Bias can also be mitigated in a cohort study when selecting participants for the cohort. (wikipedia.org)
The (COVID-19) can evolve and continue to cause pro- remaining participants (14.3%) were mostly health- longed symptoms, characterizing the post-COVID-19 care workers from the study facility. (cdc.gov)
Participants were 18-40 years old at study entry, attempting to conceive, and were not receiving fertility treatment. (rti.org)
Contact - Existing cohorts are heterogeneous with respect to permission for data sharing and the need for researchers to re-contact/consent participants. (cdc.gov)
This cohort study aimed to identify the associations of dairy protein intake with the risk of developing a low muscle mass during a 12-year follow-up period, using data from 4412 middle-aged Korean Genome and Epidemiology Study participants with a normal baseline muscle mass. (mdpi.com)
Informed consent was obtained from all individual participants included in the study. (who.int)
In another, more open access recent paper , the same authors have crunched the numbers for variations in weight among study participants. (fightaging.org)
We collected data for survival and all medical care utilisation and costs, excluding home care services provided home health aides, nursing home care and preventive health services in participants of this cohort study. (fightaging.org)
In this study, we utilized a dataset from a Mexico City cohort consisting of 2,621 participants, men and women aged between 20 and 50 years, with and without some type of dyslipidemia . (bvsalud.org)

The rest of this article refers to prospective cohort studies unless otherwise stated. (nature.com)

We conducted a study to determine whether findings similar to those from the US studies would be observed in a cohort of students enrolled in a Quebec medical school. (cmaj.ca)
Findings - Overall the 25-year study period, ED were the most common acute healthcare encounter with 100-year-olds having the lowest rate (138.7/1,000) and 90-year-olds the highest (378.5/1,000). (ices.on.ca)
Findings: Of the 2,247 EU-CERT-ICD patients, this sub-study included 1,971 with complete records. (uni-muenchen.de)
These findings were in line with findings of other studies, Halling said. (medscape.com)
The data that support the findings of this study are available from the CPRD but restrictions apply to the availability of these data, which were used under license for the current study, and so are not publicly available. (medscape.com)
The findings of this study shed light on significant factors that play a role in dyslipidemia development, aiding in the early identification, prevention, and treatment of this condition. (bvsalud.org)

This nationwide cohort study provides physicians with a representative evaluation of the rate of reoperations after surgical procedures for urinary incontinence. (unboundmedicine.com)
Daily updated information on migration and vital status allows for nationwide cohort studies with virtually complete long-term follow-up on emigration and death. (cdc.gov)

In contrast ( Figure 1 ), retrospective or historical cohort studies look at medical events from some timepoint in the past up to the present time. (nature.com)
The advantage of historical cohort studies is that the information is available immediately. (nature.com)
Prospective cohort study design is more commonly used because accurate and complete data, necessary for historical cohort studies, are rarely available. (nature.com)
A historical cohort study is being conducted of cancer mortality in chrysotile asbestos miners and millers in the town of Asbest, Russian Federation. (who.int)

Cohort studies represent one of the fundamental designs of epidemiology which are used in research in the fields of medicine, pharmacy, nursing, psychology, social science, and in any field reliant on 'difficult to reach' answers that are based on evidence (statistics). (wikipedia.org)
The Korean Genome and Epidemiology Study (KoGES) is a large cohort study that is available to the public. (mdpi.com)
In health sciences, the epidemiological method can be divided into descriptive and analytical epidemiology and the latter being divided into observational (cross-sectional study, case-control study and cohort study) and experimental studies. (bvsalud.org)

The main objective of this three-year research project is to analyze the cohorts of FDNY firefighters and EMS workers, both WTC-exposed and non-WTC exposed in order to compare cancer incidence by WTC-exposure status during the early post-9/11 years. (cdc.gov)
Previously in this series I have given an overview of the main types of study design and the techniques used to minimise biased results. (nature.com)
The main results of the study of cancer mortality in the cohort were published on 22 January 2024. (who.int)

31% with prior nephritis) with SLE in the PROMISSE (Predictors of Pregnancy Outcome: Biomarkers in Antiphospholipid Antibody Syndrome and Systemic Lupus Erythematosus) study. (nih.gov)
Background: This study is the first effort in the Middle East to identify cigarette-smoking trajectories and their predictors, from adolescence to young adulthood. (who.int)
A machine learning approach to personalized predictors of dyslipidemia: a cohort study. (bvsalud.org)

There are advantages to this design, however, as retrospective studies are much cheaper and faster because the data has already been collected and stored. (wikipedia.org)

The objective of the study was to describe the cumulative incidence of reoperation within a 5 year period after different types of surgical procedures for urinary incontinence based on a nationwide population. (unboundmedicine.com)
Summary: this study evaluated a prospective cohort of at least 2 years of follow-up, evaluating objective results through knee stress radiographs and the subjective result through quality of life questionnaires. (isakos.com)
The overall objective of our study was to assess the perceptions of a large cohort of students toward VR-based training and to identify the associations between these attitudes and individual factors, such as gender and age. (jmir.org)

We aimed to in- quences among patients who survived COVID-19 and clude all patients who attended the clinic during the received follow-up care at a post-COVID-19 outpa- study period and agreed to participate. (cdc.gov)
During the study period, 297 patients had a fol- domains evaluated by the WHO Quality of Life ques- low-up medical consultation scheduled at the out- tionnaire (psychological, social relationships, and en- patient clinic. (cdc.gov)
We included 175 patients in this study vironmental). (cdc.gov)
We performed a retrospective cohort study of 100 consecutive patients receiving ECMO in the medical intensive care unit of a university hospital. (nih.gov)
Prospective cohort study of patients in 44 general practices throughout the Netherlands, from January 2010 until December 2013. (nivel.nl)
2001) Bacterial Infection in Patients with Advanced Cirrhosis: A Multicentre Prospective Study. (scirp.org)
Following ethical approval by the Ethics Committee of Peking University First Hospital (No. 2021-226, date of approval: 23 June 2021, Chairman: Professor Yanyan Yu), a retrospective cohort study was carried out on patients who received general anesthesia for cesarean section over a period of 10 years (January 2010 to December 2019). (frontiersin.org)
A retrospective cohort study was conducted that examined the outcomes of 153 female patients admitted over a 5-year period. (frontiersin.org)
In this large population-based cohort of patients with registry-confirmed breast cancer, we found increased breast cancer mortality among SSRI users. (medscape.com)
In this prospective cohort study , two groups in Birmingham and London recruited patients from 34 fetal medicine units in England and Scotland . (bvsalud.org)

Although four previous studies have examined the association between obesity and lifetime medical expenditure, the results were inconsistent. (fightaging.org)

The UK Women's Cohort Study (UKWCS), which was established in 1993 to investigate diet in relation to cancer and mortality from selected causes, is well placed to examine meat consumption and breast cancer risk, the subject of this paper. (nature.com)
The study will combine work history and follow-up data to estimate and compare cancer mortality rates for groups of workers with different levels of exposure and for different time periods since first exposure. (who.int)
Mortality among elderly receiving long-term care: a longitudinal cohort study. (lu.se)
Results: The crude mortality rate was 9% in cohort 2001 and 14% in cohort 2002 in the first year, and 23% in cohort 2001 and 18% in cohort 2002 in the second year after decisions about care and service. (lu.se)

Analyses were based on a community-based cohort of 5,646 men and women (40-69 years of age at baseline) living in Ansan and Ansung, South Korea (2001-2016) without MetS and related chronic diseases at baseline. (unboundmedicine.com)
Data were collected for two cohorts (2001 and 2002). (lu.se)

We carried out a prospective cohort study (1997-2002) in 4 large hospitals in North West England. (psychiatrist.com)

Between 1995 and 1998 a cohort of 35 372 women was recruited, aged between 35 and 69 years with a wide range of dietary intakes, assessed by a 217-item food frequency questionnaire. (nature.com)
Between August 1992 and December 1998 we conducted a seven-wave cohort study of adolescent health in Victoria, Australia. (cambridge.org)

Additionally, the study will provide additional baseline data on exposures, behaviors, and chronic health that may be of value in developing health education and outreach to increase prenatal care utilization. (cdc.gov)
Cohort studies can be retrospective (looking back in time, thus using existing data such as medical records or claims database) or prospective (requiring the collection of new data). (wikipedia.org)
Retrospective cohort studies restrict the investigators' ability to reduce confounding and bias because collected information is restricted to data that already exists. (wikipedia.org)
To better understand where and why persons with chronic HCV infection sought their initial testing, 2006-2010 data were analyzed from a survey conducted as part of the ongoing Chronic Hepatitis Cohort Study ( 6 ). (cdc.gov)
Subjects are disease-free at the outset of the study and at distinct points in time, data are collected relating to health outcomes and exposure to risk factors. (nature.com)
Prospective studies, those studies carried out from the present time into the future, can be tailored to collect specific exposure data, but there may be a long wait for events to occur, particularly where the outcome of interest is associated with old age. (nature.com)
Analysis of data must include a comparison of risk factors between individuals who remain in the study and those who have dropped out. (nature.com)
Analysis of cohort study data takes one of two forms. (nature.com)
21 , 22 , 23 Studies have been published on the moral development of American medical students, 12 , 13 , 14 , 15 but only one used longitudinal data. (cmaj.ca)
To determine the conclusive integrity in the Shiraz Cohort Heart Study (SCHS) project, management began quality assurance (QA) and quality control (QC) of the collected data throughout the study end-points. (hindawi.com)
There has been an emphasis on data quality improvement through standardization of research protocols and education of personnel involved in study and data managing systems [ 1 - 3 ]. (hindawi.com)
Key QA and QC decisions were adopted in the construction of this cohort, its follow-up, and integrity of the conclusions drawn of the collected data. (hindawi.com)
As a result, verification, validation, investigation, inspection, and audit were strictly applied for minimizing and eradicating all potential sources of type-I, type-II errors, discrepancies of transcription at data entry and data manipulation for analysis to prevent systemic errors which could lead to an incorrect report of data relations, and poor quality data which could decrease the power in the study. (hindawi.com)
Where the data on infection among cirrhotics is scanty, this study aimed to determine the frequency, microbiological spectrum and various risk factors of infections in cirrhosis of liver. (scirp.org)
We used data from the Minnesota Adult Tobacco Survey Cohort Study collected after the 2009 federal tobacco tax increase to answer these questions. (who.int)
In this study, we analysed linked survey and routinely collected longitudinal administrative data to characterise GP encounters for a large cohort of adults after their release from prison. (mja.com.au)
Limitations of the study may include potential measurement error in self-reported dietary intake, inability to classify a few plant foods as healthy and less-healthy, lack of data on vegetable oil intake, and possibility of residual confounding. (unboundmedicine.com)
The data sets used and/or analysed during the study are available from the corresponding author on reasonable request. (who.int)
The strengths of the study include its focus on the cancer risks of exposure to chrysotile asbestos alone, its large cohort that includes a large number of women, the long follow-up period, and the availability of detailed data about airborne dust concentrations. (who.int)
This study is based in part on data from the CPRD obtained under licence from the UK Medicines and Healthcare Products Regulatory Agency. (medscape.com)

Moreover, QA and QC tools were developed for the planning, execution, and effective analysis of epidemiological studies [ 4 ]. (hindawi.com)
Cancer risk from occupational exposure to wood dust : a pooled analysis of epidemiological studies / P. A. Demers and P. Boffetta. (who.int)

Time required to obtain meaningful results - Longitudinal studies of chronic disease outcomes span decades to allow for a robust number of endpoints to occur. (cdc.gov)
Therefore, this cohort study aimed to assess maternal and neonatal outcomes when the LMA Supreme was used for cesarean section under general anesthesia. (frontiersin.org)
Learning Outcomes Factors identified in this study will be useful in considering interventions for targeted strategies to prevent future readmissions. (bmj.com)
These types of studies have as advantages the possibility of measuring several exposure factors and outcomes, both primary and secondary, for both relatively frequent outcomes and rare exposure factors. (bvsalud.org)

A case study from a large metropolitan healthcare trust. (ahrq.gov)
Since the development and refinement of QA, QC, and testing tools in clinical research, the planning and conduction of large studies improved greatly. (hindawi.com)
few studies have looked at the relationship between CRP and large artery atherosclerosis- (LAA-) type AIS. (hindawi.com)
Other countries have already launched large national cohorts and biobanks to examine genetic and environmental factors in relation to human diseases. (cdc.gov)
These databases "allow for instant, large cohort studies that are impossible in most countries. (cdc.gov)
In a large crossectional evaluation, the RECOVER study in the US identified four clusters of subjects with PCC according to their presenting symptoms. (ssrn.com)
We used whole- exome sequencing (WES) to evaluate the presence of genetic variants in developmental disorder genes (diagnostic genetic variants) in a cohort of fetuses with structural anomalies and samples from their parents , after exclusion of aneuploidy and large CNVs. (bvsalud.org)

The study groups follow a group of people who do not have the disease for a period of time and see who develops the disease (new incidence). (wikipedia.org)

If loss to follow-up is ignored, the reliability of study conclusions may be called into question. (nature.com)
Conclusions Our study revealed a possible link between ambient air pollution and risk of active tuberculosis. (bmj.com)
However, the interpretation and conclusions contained in this study are those of the authors alone. (medscape.com)

A substantial literature on QA and QC has appeared in the framework of cohort studies and clinical trials. (hindawi.com)

In this article I describe more fully cohort studies, their uses, advantages and limitations. (nature.com)
Below are the links to the original Open Access article in the Journal of the National Cancer Institute and to some additional Questions & Answers about the study. (who.int)

However, in these studies, women are not recruited prior to pregnancy, samples are not representative and studies are underpowered. (cambridge.org)
The current study sought to determine whether pregnancy and motherhood are associated with brief or long-term cognitive deterioration using a representative sample and measuring cognition during and before the onset of pregnancy and motherhood. (cambridge.org)
In this prospective cohort study, we included 2,773 Danish pregnancy planners enrolled in the internet-based cohort study "Snart-Gravid", conducted during 2007-2012. (rti.org)
This is a prospective pregnancy cohort study of mothers who use private wells for household water in New Hampshire designed to evaluate maternal/child health impacts of arsenic and other contaminants. (nih.gov)

The principal objectives of the study are to further characterize the exposure-response relationship between chrysotile and cancers already established to be caused by asbestos, and to add to the available evidence about risks of other cancers (see About Asbestos ). (who.int)

We performed a survival analysis to assess the effect of meat consumption and meat type on the risk of breast cancer in the UK Women's Cohort Study. (nature.com)

Psychosocial working conditions as determinants of concerns to have made important medical errors and possible intermediate factors of this association among medical assistants - a cohort study. (ahrq.gov)
Determinants of burnout and other aspects of psychological well-being in healthcare workers during the Covid-19 pandemic: a multinational cross-sectional study. (ahrq.gov)
Determinants of general practitioner's cancer-related gut feelings-a prospective cohort study. (nivel.nl)

Although the study is conducted in occupationally exposed responders, the results will be relevant to other individuals exposed to the WTC attacks. (cdc.gov)
Results from the study will be used by policy makers and regulators to create policies that maximize the possible benefits and minimize the possible harms of expanded gambling in the Commonwealth. (umass.edu)
19 These results emphasise the need for further long term follow-up studies to determine which factors contribute to positive changes. (bmj.com)
The results of studies performed in the United States and elsewhere suggest a negative trend in the progress of ethical skills during medical training. (cmaj.ca)
7 , 8 , 9 , 10 These studies, which used 3 different instruments, yielded divergent results, showing sometimes decreased ethical sensitivity 11 and sometimes inhibited development in moral reasoning. (cmaj.ca)
We obtained similar results when we restricted to women who were born at term, and to women who had attempted to conceive for a maximum of 6 cycles before study entry. (rti.org)
This study shows that a specialized inpatient program for adolescents with severe EDs that was created using the principles of FBT results in positive short-term medical and psychological improvements as evidenced by improved weight gain and decreased markers of psychological distress. (frontiersin.org)
Results of search for 'su:{Cohort studies. (who.int)

citation needed] Double-blind randomized controlled trials (RCTs) are generally considered superior methodology in the hierarchy of evidence in treatment, because they allow for the most control over other variables that could affect the outcome, and the randomization and blinding processes reduce bias in the study design. (wikipedia.org)
To infer causality with any degree of certainty, an experimental study design is required. (nature.com)
Design Cohort study followed by self reported assessment at one year. (bmj.com)
A suggested response to this problem was to develop a mechanism to standardize elements of the questionnaire, study design, and method of administration. (hindawi.com)

There were fewer longitudinal research studies found that exclusively describe QA and QC in their projects to achieve international quality standardization [ 5 , 10 , 16 , 17 ]. (hindawi.com)

As in any observational study, we cannot rule out the possibility that effects in the exposed group might be due to unidentified confounders. (cdc.gov)
Patient and consumer safety risks when using conversational assistants for medical information: an observational study of Siri, Alexa, and Google Assistant. (ahrq.gov)

The information generated by this study may be of value in developing programs to mitigate environmental uranium exposure. (cdc.gov)
The comparison group may be the general population from which the cohort is drawn, or it may be another cohort of persons thought to have had little or no exposure to the substance under investigation, but otherwise similar. (wikipedia.org)
Much like a cross-sectional study, information is collected about the outcome of interest and exposure to risk factors, but in cohort studies subjects are followed over time. (nature.com)
A greater concern than number of dropouts are any systematic differences related to the outcome or exposure to risk factors, between those who drop out and those who stay in the study. (nature.com)
The longitudinal nature of cohort studies, however, enables the assessment of causal hypotheses, as it is known if exposure occurred prior to outcome. (nature.com)
Cohort studies may be retrospective or prospective, and both assume that the researcher will follow a population over time to seek a possible association between exposure (s) and outcome(s). (bvsalud.org)
These are studies that may point to statistical associations between exposure and outcome that need other models to prove the casualty of these associations. (bvsalud.org)
Previous exposure-dependent factors related to protection against malaria in a Brazilian Amazon migrant population : an open cohort study / Elisabeth Carmen Duarte. (who.int)
Studies on markers of gluten-free diet adherence, sources of gluten exposure (particularly in the United States), and effects of adherence on mucosal healing are needed. (lu.se)

We reported a modest excess of cancer cases in the WTC-exposed cohort compared with the US population. (cdc.gov)

This type of study is observational and used to examine causal factors. (nature.com)

IUP started its second cohort of the PhD in Business program in fall 2020. (iup.edu)
This study is funded by the Ministry of Health of the Russian Federation in the framework of the Federal Target Program "National System of Chemical and Biological Safety of the Russian Federation" of 2009-2014 and of 2015-2020. (who.int)

We conducted this study to assess the effect of RF treatment on erection quality. (researchgate.net)

Examples of genetic studies using this unique resource include studies of genes and lifestyle in aging using the Danish Twin Register which includes 110,000 pairs of twins. (cdc.gov)

The study protocol was reviewed and approved by an institutional review board approved by the federal Office for Human Research Protections at each participating site. (cdc.gov)
The Massachusetts Gambling Impact Cohort or MAGIC Study is a multi-year study being carried out by a research team from the University of Massachusetts Amherst School of Public Health & Health Sciences (SPHHS). (umass.edu)
Using participant responses, the MAGIC Research Team will be able to study gambling problems as they emerge. (umass.edu)
In the IUP Business PhD program, students will study in-depth concepts and apply their research under the guidance of experienced, expert faculty with a global perspective in the Eberly College of Business and Information Technology. (iup.edu)
New research opportunities from prospective mother-child cohort studies were explored. (karger.com)
The study was approved by the Ethical Committee of Research Institute for Endocrine Sciences and the National Research Council of the Islamic Republic of Iran (EC 121). (who.int)

On a population level, our study suggests that the most important strategies to reduce repetition might include primary prevention of suicidal behavior, targeting psychiatric illness, and tackling social factors such as unemployment. (psychiatrist.com)
The relationship between anxiety and HRQoL was not explained by factors measured in our study. (springer.com)
Prior studies have shown that plant-based diets are associated with lower risk of cardiovascular risk factors and incident cardiovascular disease, but risks differed by quality of plant-based diets. (unboundmedicine.com)
Aim: This prospective cohort study was to evaluate the independent and mutual effects of socioeconomic, oral health behaviors and individual clinical factors, including enamel hypomineralization, as possible risk factors for increase in caries experience in second primary molar (SPM) over a period of 2-years. (bvsalud.org)

The SCHS identified unique barriers to select national study models in developing standardized measures related to variations in ethnicity, religion, cross-cultural considerations, and others. (hindawi.com)

The probability of having the outcome of interest will be affected by the selection of subjects into a cohort study. (nature.com)

This study protocol (16_079R) was reviewed and approved by the ISAC committee. (medscape.com)
Protocol for the study of interpersonal physical abuse of children. (who.int)

13 In that study, the expected increase in scores for moral reasoning did not occur over the 4 years of medical education, which suggests that the students' education experience somehow inhibited rather than facilitated the development of their moral reasoning. (cmaj.ca)
Using a longitudinal approach, in which the same subjects were surveyed over time, we examined the impact of the first 3 years of medical studies on the development of moral reasoning expected to occur with maturity and involvement in university studies. (cmaj.ca)

Seventy-six women were pregnant at follow-up assessments, 188 became mothers between study waves and 542 remained nulliparous. (cambridge.org)

The study is controlled by including other common characteristics of the cohort in the statistical analysis. (wikipedia.org)

Rather, cohort studies are largely about the life histories of segments of populations and the individual people who constitute these segments. (wikipedia.org)
Description of QA and QC procedures are largely in the context of a study Greenberg et al. (hindawi.com)

Previous studies have shown that in the general population, elevated serum or plasma CRP may lead to future vascular events [ 13 - 16 ]. (hindawi.com)
The CRS facilitates sampling of general population comparison cohorts, controls in case-control studies, family studies and targeted population surveys. (cdc.gov)

The study measured events and access to preventive care in Shiraz city. (hindawi.com)

This study was exploratory, and sample size was of long-term physical, psychological, and social conse- established through convenience. (cdc.gov)
Using text mining techniques to identify health care providers with patient safety problems: exploratory study. (ahrq.gov)

Organisms1

Diseases45

Chemicals and Drugs16

Analytical, Diagnostic and Therapeutic Techniques and Equipment79

Psychiatry and Psychology13

Phenomena and Processes43

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena14

Technology, Industry, Agriculture3

Humanities1

Information Science12

Named Groups16

Health Care85

Geographicals35

Population-based cohort study1

Birth cohort5

Multicentre cohort study1

Longitudinal study3

Methods7

Participants9

Prospective cohort studies1

Findings6

Nationwide cohort2

Historical cohort4

Epidemiology3

Main3

Predictors3

Retrospective studies1

Objective3

Patients10

Obesity1

Mortality4

20012

20021

19982

Data20

Analysis of epidemiological studies2

Outcomes4

Large7

Incidence1

Conclusions3

Clinical trials1

Article2

Pregnancy4

Cancers1

Breast cancer1

Determinants3

Results8

Design4

Describe1

Observational study2

Exposure9

Cancer1

Examine1

20202

Assess1

Danish1

Research6

Factors4

Barriers1

Outcome1

Protocol2

Occur2

Mothers1

Statistical1

Largely2

General population2

Preventive1

Exploratory2