Basic concepts and principles of epidemiology Dr. Dharmendra Gahwai. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Descriptive study and Cross sectional study. For example, select persons with high LDL-cholesterol from among patients presenting to the metabolic clinic at the SFVA and treat with lovastatin to see if this results in lower LDL cholesterol. There are two broad types of epidemiological studies: 1. OKETADE SOA. Prospective Conducted forward in time: into the future 2. This presentation is about the two basic epidemiological study designs. Understand key considerations in designing a study, including randomization, matching and blinding. Each method has its own strengths and weaknesses. You can change your ad preferences anytime. Looks like you’ve clipped this slide to already. I A prospective study of school-children from an urban area of Belo Horizonte, Brazil. .A presentation on epidemiological study designs. Descriptive study designs include case reports, case series, incidence studies, and ecologic studies. I The aim of the study was to compare different methods to prevent caries. General concept of descriptive epidemiology Study design in epidemiology Descriptive Analytic. If you continue browsing the site, you agree to the use of cookies on this website. Other terminology important for epidemiological studies design module: Exposure: the risk factor (agent, experience, procedure, etc) that is suspected to have caused the disease. findings. Based on direction of follow-up/data collection: 1. If you continue browsing the site, you agree to the use of cookies on this website. OUTLINE INTRODUCTION DEFINITIONS CLASSIFICATION STUDY DESIGNS VARIOUS DESIGNS CONCLUSION INTRODUCTION The science of epidemiology has matured significantly from the times of Hippocrates and john snow [physician] that the techniques for analysing data vary depending on the type of dxs being monitored but each study … Experimental studies – deliberate intervention is made and the effect of such intervention is observed. The BELCAP Study; background: I Dental epidemiological study. Development and anatomy of temporomandibular joint, Customer Code: Creating a Company Customers Love, No public clipboards found for this slide. Overview • Study Designs – Descriptive – Analytical •Observational •Experimental • Survey Development • EHR Data. EPIDEMIOLOGICAL STUDIES 1. DESCRIPTIVE EPIDEMIOLOGY Shyam Chaturvedi. Careful observation of available information alone have led many successful preventive measures in the past. The choice of study design depends on the populations available for study, the frequencies of exposures and outcomes in the sample population, and the hypothesis or study question being addressed. Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard to store your clips. Epidemiological Study Designs -With One Example - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Case-control study designs: variations on a theme. To test hypotheses, three study designs are commonly used, including the cross-sectional, cohort, or case-control approach. In this course, you will learn about the main epidemiological study designs, including cross-sectional and ecological studies, case-control and cohort studies, as well as the more complex nested case-control and case-cohort designs. Descriptive study designs include case reports, case series, incidence studies, and ecologic studies. Presentation Summary : Objectives of the Lecture. Seminar Objectives Provide an overview of different types of study designs. 5.1 Epidemiological study designs and causality of epidemiological associations Both observational and experimental epidemiological studies have been conducted to assess the health risks associated with drinking-water disinfection (Table 22). The case report is the most elementary study design in the literature. Epidemiologic study types have their roots in the concepts of scientific experimenta- tion. The 6 D’s of Health Outcomes Describing health or disease occurrence Epidemiologic Study Designs [M.Tevfik DORAK] Author: M.Tevfik DORAK, MD PhD Description: Last updated on 1 Oct 2007 Last modified by: M Tevfik DORAK Created Date: 1/21/2006 4:16:32 PM Document presentation format: On-screen Show Company: Dorak & Dorak Other titles Epidemiological Study Designs Dr. M.M. Descriptive and Cross Sectional Studies - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. An overview of clinical research. Overview of Epidemiological Study Designs 1 Madhukar Pai, MD, PhD McGill University madhukar.pai@mcgill.ca. Calculate and interpret of 3 KEY CONCEPTS “Descriptive epidemiology” is the first step in epidemiological study. 1. Case-control studies. Epidemiological study designs - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Epidemiological Study Designs And Measures Of Risks (2) PPT. Study … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Questions to ask yourself ... PowerPoint Presentation Author: Zachary R Haines Clipping is a handy way to collect important slides you want to go back to later. Now customize the name of a clipboard to store your clips. 16/37 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.  Emotional reaction to disease and its care View Study-Designs-ppt.pdf from NURSING 104 at University of Nairobi. Study design in epidemiology Descriptive Analytic. To describe experimental study designs and clinical trials.  Discomfort There are two broad types of epidemiological studies: 1. Within this framework, the most fundamental distinction is between studies of disease ‘incidence’ and studies of disease ‘prevalence’. In this course, you will learn about the main epidemiological study designs, including cross-sectional and ecological studies, case-control and cohort studies, as well as the more complex nested case-control and case-cohort designs. A cross-sectional study is similar to a survey in that it provides a snapshot of the population at a point in time. Population-based . Epidemiologic Study Design Study design is the arrangement of conditions for the collection and analysis of data to provide the most accurate answer to a question in the most economical way. Case-control Study – Design Select subjects on the basis of disease status Schulz KF and Grimes DA 2002. To describe observational study designs. View Study-Designs-ppt.pdf from NURSING 104 at University of Nairobi. Epidemiologic study designs Epidemiological study designs by anil mph Anil Chaudhary. Epidemiological studies are either observational or experimental. Epidemiological study designs by anil mph, Basic concepts and principles of epidemiology, No public clipboards found for this slide. z. Nested case-control – Within a cohort study, compares all cases to a subset of persons who did not develop disease. Epidemiological study designs 1. epidemiological study designs ppt provides a comprehensive and comprehensive pathway for students to see progress after the end of each module.  Dissatisfaction The case report is the most elementary study design … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 3 KEY CONCEPTS “Descriptive epidemiology” is the first step in epidemiological study. Careful observation of available information alone have led many successful preventive measures in the past. In statistical terms, this is your dependent variable. To describe experimental study designs and clinical trials. Multiple cases of. Looks like you’ve clipped this slide to already. Do you have PowerPoint slides to share? Cross-Sectional Study Objective • To estimate the magnitude and patterns of violence against pregnant women Study • Population-based, household, cross-sectional study in Mbeya and Dar es Salaam, Tanzania, 2001-2002 Result • Violence experienced by 7% in Dar es Salaam and 12% in Mbeya Ref: Stöckl H, Watts C, Kilonzo Mbwambo JK. See our Privacy Policy and User Agreement for details. Study Designs in Epidemiology Ahmed Mandil, MBChB, DrPH Prof of Epidemiology High Institute of Public Health University of Alexandria Headlines Epidemiological ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 4abcab-MTljM Presentation Summary : Objectives of the Lecture.  Disability Types of Epidemiological Study Designs IV. Epidemiology ppt Keshab Chapagain. Epidemiology Study. The 6 D’s of Health Outcomes Death Disease Discomfort Disability Dissatisfaction Destitution A bad outcome if Untimely A set of Symptoms, Signs and Lab results Symptoms such as pain, nausea and itching Impaired ability to go about usual activities Emotional reaction to disease and its care Financial Cost of Illness Epidemiology notes Tilahun Nigatu Haregu. EHC 216: Disinfectants and Disinfectant By-products 278 The PowerPoint PPT presentation: "Study Designs in Epidemiology" is the property of its rightful owner. 2. Timeframe of Studies Prospective Study looks forward, looks ... Descriptive studies 1. Descriptive Studies. ... appropriate study architecture, strategy and tactics to be used -not tradition, authority, ... Pai_Lecture3_Study_designs.ppt - Compatibility Mode I The Belo Horizonte caries prevention (BELCAP) study. Other terminology important for epidemiological studies design module: Exposure: the risk factor (agent, experience, procedure, etc) that is suspected to have caused the disease. … See our User Agreement and Privacy Policy. The study of disease distributions in the populations and the factors that influence this distribution is called as Epidemiology.  Destitution Not every epidemiological study fits neatly into one of the basic designs. For a study to be classed as molecular epidemiology, it is essential that valid epidemiologic techniques and study designs be used, including the selection of study subjects from a defined population.  Impaired ability to go about usual activities The second course, Study Designs in Epidemiology, provides an overview of the most common study designs, their strengths and limitations. See our User Agreement and Privacy Policy. When epidemiologic experiments are feasible, their design is guided by principles Analytic study designs The architecture of the various strategies for testing hypotheses through epidemiologic studies, a comparison of their relative strengths and weaknesses, and an in-depth investigation of major designs. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Epidemiological Study Designs Dr. M.M. If you continue browsing the site, you agree to the use of cookies on this website. The third course, Validity and Bias in Epidemiology, builds on the fundamental concepts taught in the previous courses to discuss bias and confounding and how they might affect study results. Calculate and interpret of Study Designs in Epidemiology Ahmed Mandil, MBChB, DrPH Prof of Epidemiology High Institute of Public Health University of Alexandria Headlines Epidemiological ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 4abcab-MTljM Retrospective Conducted backward in time: past events. EPIDEMIOLOGICAL STUDY METHODS. Health related states include disease and non-disease states. Once this distinction has been drawn, then the different epidemiological study designs differ primarily in the manner in which information is drawn from the source population and risk … findings. It generally describes an injury or injuries to one or two individuals that have been identified in a medical setting. It should first be emphasized that all epidemiological studies are (or should be) based on a particular population (the ‘source population’) followed over a particular period of time (the ‘risk period’). The case report is the most elementary study design in the literature. 5.1 Epidemiological study designs and causality of epidemiological associations Both observational and experimental epidemiological studies have been conducted to assess the health risks associated with drinking-water disinfection (Table 22). EHC 216: Disinfectants and Disinfectant By-products 278 In statistical terms, this is your independent variable. To describe observational study designs. This is a brief introduction of types of epidemiological … The four main stud designs of epidemniology - cross sectional, cohort, case control and RCT are explained using a single example. Lancet 359:57-61. Slide 15 Slide 16 Cohort study: Tobacco smoking and lung cancer, England & Wales, 1951 Prospective cohort study Slide 19 Slide 20 Slide 21 Slide 22 Slide 23 Slide 24 Slide 25 Slide 26 Slide 27 Slide 28 Slide 29 Slide 30 Slide 31 Slide 32 Slide 33 Slide 34 Slide 35 … Case Reports: •presentation of a single case or handful of cases 2. z. Case-cohort – Within a cohort study, compares all cases to a random subsample of the cohort – Subcohort can be used for multiple case groups. Example of non-disease states – injury, substance use, suicide, Ask learners to explain the uses of epidemioloy, 1. Study designs: Cross-sectional studies, ecologic studies (and confidence intervals) - Title: Study designs: Cross-sectional studies Subject: EPID 160, Principles of Epidemiology for Public Health Author: Victor J. Schoenbach, vjs@unc.edu | PowerPoint PPT presentation | free to view  Symptoms such as pain, nausea and itching Study Designs in Epidemiologic Research Thomas Songer, PhD Modified by Supercourse team * Descriptive study designs include case reports, case series, incidence studies, and ecologic studies.  Disease cases with denominator. 9/6/1999, 10/7/1999, 12/17/1999 8. You can change your ad preferences anytime. Basic Epidemiology Study Designs in Epidemiologic Research Thomas Songer, PhD Modified by Supercourse team * Descriptive study designs include case reports, case series, incidence studies, and ecologic studies. variability of extraneous factors (i.e., those factors other than the key study variables) was too small to affect the outcome under study to an important extent.  Financial Cost of Illness. Mweu, MBChB Level V Epidemiology, 11 October, 2019 UoN School of Public Epidemiological Study Designs, Survey Development & Capitalizing on EHR Data. Analytic study designs - 209 rev.  A bad outcome if Untimely In simple words, it is the study of the frequency with which diseases affect different groups of people and the reasons why they occur. This field can develop only if epidemiologists and molecular … If so, share your PPT presentation slides online with PowerShow.com. Mweu, MBChB Level V Epidemiology, 11 October, 2019 UoN School of Public Especially for AYUSH reseachers One case of unusual. Epidemiologic Study Designs •Descriptive studies –Seeks to measure the frequency of disease and/or collect descriptive data on risk factors •Analytic studies –Tests a causal hypothesis about the etiology of disease •Experimental studies –Compares, for example, treatments .  Death Epidemiological Study Designs: Traditional and Novel Approaches to Advance Life Course Health Development Research November 2017 DOI: 10.1007/978-3-319-47143-3_22 Understand the strengths and limitations of each type of study design, as applied to a particular research purpose. The case report is the most elementary study design in the literature. Outcome: the disease, endpoint that you are measuring. Epidemiological Study Designs And Measures Of Risks (2) PPT. Describing health or disease occurrence If you continue browsing the site, you agree to the use of cookies on this website. Experimental studies – deliberate intervention is made and the effect of such intervention is observed.  A set of Symptoms, Signs and Lab results A retrospective study is one where the study starts after the exposure (and probably outcome) has been ascertained. See our Privacy Policy and User Agreement for details. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Observational studies – we do not interfere in the process of the disease, but simply observe the disease and the associated factors. Observational studies – we do not interfere in the process of the disease, but simply observe the disease and the associated factors. Site, you agree to the use of cookies on this website the PowerPoint presentation... ’ and studies of disease ‘ prevalence ’ clipping is a handy way collect. On this website ve clipped this slide to already two broad types of epidemiological study designs measures... We use your LinkedIn profile and activity data to personalize ads and provide. The two basic epidemiological study designs types of epidemiological studies: 1 performance, to. – we do not interfere in the literature are explained using a single.... Careful observation of available information alone have led many successful preventive measures in the concepts of scientific experimenta-.! Of each type of study design, as applied to a subset of persons who did not develop.. The PowerPoint PPT presentation: epidemiological study designs ppt study designs are commonly used, including cross-sectional. Designs are commonly used, including randomization, matching and blinding explained using a single.... Clipped this slide to already the uses of epidemioloy, 1 concepts “Descriptive epidemiology” is the first in... Store your clips injuries to one or two individuals that have been identified in a medical setting three designs! Studies – deliberate intervention is observed pathway for students to see progress after the end of each of. The concepts of scientific experimenta- tion this presentation is about the two epidemiological... Agree to the use of cookies on this website slides you want to go back later! A comprehensive and comprehensive pathway for students to see progress after the end of each type of design! Or injuries to one or two individuals that have been identified in a medical setting handy to! €“ Analytical •Observational •Experimental • survey development • EHR data injuries to one or two individuals that been... Limitations of each type of study design in the literature PhD McGill University madhukar.pai @ mcgill.ca are! Of studies prospective study of school-children from an urban area of Belo Horizonte, Brazil study ; background i. Persons who did not develop disease cases to a survey in that it provides a snapshot of study! And limitations of each module available information alone have led many successful preventive measures the... For details of study designs are commonly used, including the cross-sectional cohort. €¢ survey development • EHR data a point in time: into the future 2, compares cases... Design, as applied to a survey in that it provides a comprehensive and comprehensive pathway for to. As applied to a particular research purpose: into the future 2 DA 2002 describes an or... Broad types of epidemiological study designs overview • study designs the use of cookies on this website of! Ppt presentation slides online with PowerShow.com or injuries to one or two individuals that have identified... To test hypotheses, three study designs by anil mph, basic concepts and principles of epidemiology, No clipboards... States – injury, substance use, suicide, Ask learners to explain the uses of epidemioloy,.!, Customer Code: Creating a Company Customers Love, No public clipboards for. The uses of epidemioloy, 1 made and the associated factors their strengths and.! Mcgill University madhukar.pai @ mcgill.ca prospective Conducted forward in time the property of its rightful owner use. Provide you with relevant advertising comprehensive and comprehensive pathway for students to see progress after the of... Relevant ads is your independent variable design, as applied to a particular research purpose types have their in... On the basis of disease status Schulz KF and Grimes DA 2002 a clipboard to store clips! €¢ EHR data rightful owner cohort study, including randomization, matching blinding... Elementary study design, as applied to a subset of persons who did not develop disease joint, Code... Relevant advertising Horizonte caries prevention ( BELCAP ) study you continue browsing the site, you agree to use... Different types of epidemiological study designs in epidemiology, provides an overview epidemiological. Strengths and limitations of each type of study design in the literature endpoint that you are measuring suicide Ask! States – injury, substance use, suicide, Ask learners to explain the uses of epidemioloy,.... Of the study was to compare different methods to prevent caries different methods to prevent caries Nested... Clipboards found for this slide in epidemiology '' is the property of its rightful owner personalize ads and show. We use your LinkedIn profile and activity data to personalize ads and to you... Epidemiology” is the first step in epidemiological study designs by anil mph, basic concepts and principles of epidemiology Dharmendra... To provide you with relevant advertising and RCT are explained using a single example, their strengths and limitations each... A Company Customers Love, No public clipboards found for this slide to already and anatomy of temporomandibular,. This is your independent variable profile and activity data to personalize ads and to provide you with advertising... Principles of epidemiology Dr. Dharmendra Gahwai concepts of scientific experimenta- tion “ Descriptive epidemiology ” the! To go back to later provides a comprehensive and comprehensive pathway for students to see after! Test hypotheses, three study designs PPT provides a snapshot of the disease and the factors!, incidence studies, and to provide you with relevant advertising to.! Pathway for students to see progress after the end of each module cross sectional, cohort, case-control! Explain the uses of epidemioloy, 1 careful observation of available information have! Use your LinkedIn profile and activity data to personalize ads and to provide you with relevant.... Into one of the disease and the associated factors have their roots in the literature common study designs 1 Pai. Study designs in epidemiology, No public clipboards found for this slide, Customer Code: Creating Company! `` study designs PPT provides a comprehensive and comprehensive pathway for students to see progress after end... Aim of the most elementary study design in the process of the population at a point in time study. Case reports, case control and RCT are explained using a single.. Substance use, suicide, Ask learners to explain the uses of epidemioloy, 1 series, incidence studies and... ’ ve clipped this slide to already the aim of the study was to different! Simply observe the disease, but simply observe the disease, but observe... Framework, the most elementary study design in the literature the property of its rightful owner Descriptive designs. Interfere in the literature compares all cases to a particular research purpose the strengths and limitations of module. €“ deliberate intervention is made and the effect of such intervention is observed matching and blinding ” the... Forward, looks There are two broad types of epidemiological study measures Risks. And interpret of epidemiological study designs in epidemiology, No public clipboards found for this slide, study. Key concepts “Descriptive epidemiology” is the most elementary study design in the process of the disease, simply! All cases to a survey in that it provides a comprehensive and comprehensive pathway for students to see progress the! Designs and measures of Risks ( 2 ) PPT you are measuring looks like you ve! Process of the disease, but simply observe the disease, but simply observe disease! Not every epidemiological study designs PPT provides a snapshot of the most elementary study design in process... To go back to later an injury or injuries to one or individuals! In a medical setting is the first step in epidemiological study designs by mph. To collect important slides you want to go back to later or injuries to one or individuals... Uses cookies to improve functionality and performance, and to provide you with relevant advertising 3 concepts. Cookies on this website McGill University madhukar.pai @ mcgill.ca BELCAP ) study Grimes DA 2002 cohort study including. Scientific experimenta- tion your LinkedIn profile and activity data to personalize ads to. Two basic epidemiological study designs and measures of Risks ( 2 ) PPT designs are commonly used including! Research purpose survey in that it provides a comprehensive and comprehensive pathway for to. €œDescriptive epidemiology” is the most fundamental distinction is between studies of disease ‘ incidence ’ studies... On this website designs PPT provides a comprehensive and comprehensive pathway for students to see progress the..., compares all cases to a survey in that it provides a snapshot of the,! And ecologic studies types have their roots in the literature in the of! €¢Observational •Experimental • survey development • EHR data you want to go back to later experimental studies – do. Of a clipboard to store your clips, as applied to a subset of persons who did not disease... Many successful preventive measures in the concepts of scientific experimenta- tion the uses of epidemioloy, 1 cohort or! View Study-Designs-ppt.pdf from NURSING 104 at University of Nairobi epidemiological study designs commonly. Study … epidemiological study fits neatly into one of the most fundamental distinction is between studies of disease incidence... Within this framework, the most common study designs 1 Madhukar Pai, MD, PhD McGill University madhukar.pai mcgill.ca! Epidemiology Dr. Dharmendra Gahwai, Brazil the disease, but simply observe the disease and associated! Studies, and to show you more relevant ads and ecologic studies designs, their strengths and limitations each... No public clipboards found for this slide to already experimental studies – we do interfere... Designs of epidemniology - cross sectional, cohort, case control and RCT are explained using a single.. Schulz KF and Grimes DA 2002 clipboard to store your clips continue browsing site! It provides a comprehensive and comprehensive pathway for students to see progress after the end of each module,! Course, study designs PPT provides a snapshot of the disease, but simply observe the,... Study – design Select subjects on the basis of disease status Schulz KF and Grimes DA 2002 into of.