Cross Sectional Studies Ppt

Descriptive and analytic studies.

Cross sectional studies ppt. If incidence is our real interest as it generally is for etiologic research prevalence may not be a good surrogate. An observational study using basic senses to. When to conduct a cross sectional study.

Study designs case report case series descriptive epidemiology descriptive rct before after study cross sectional study case crossover study case control study cohort study analytic ecologic study timeframe of studies prospective study looks forward looks to the future examines future events follows a condition concern or disease into the. Gather data examines a characteristic or set of. Cross sectional studies within dietary survey may measure current diet in a.

Characteristics in a set of subjects at one point. They can help you with any type of writing from personal statement to research paper. First cross sectional studies provide data on prevalence not incidence.

A cross sectional study involves looking at data from a population at one specific point in time. Cross sectional studies otherwise called prevalence studies number of prevailing cases of a disease old new prevalence rate existing at a given point of time 1000 estimated population at the same point of time multiplying factor can be chosen as appropriate 8 4 14 2015 9. In this type of research study either the entire population or a subset thereof is selected and from these individuals data are collected to help answer research questions of interest.

In time prevalence a snap shot of characteristic or condition of. 8 26 2014 5 44 37 pm. Microsoft powerpoint 10 suzuki cross sectional study140826 pptx author.

To estimate prevalence of a health condition or prevalence of a behavior risk factor or potential for disease. The participants in this type of study are selected based on particular variables of interest. Interest may result to misleading conclusions.