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NHANES Environmental Chemical Data Tutorial

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Question Module Number Module Name Section/Course
What is this tutorial all about?

 

Introduction Using the Tutorial
What are the tutorial’s learning objectives?   Objectives Using the Tutorial
How does the tutorial work?   How the Tutorial Works Using the Tutorial
What knowledge or skills are needed?   Knowledge and Skills Using the Tutorial
What are the technical requirements and software required?   Technical and Software Requirements Using the Tutorial
What types of environmental chemical data are collected in NHANES? 1

Environmental Chemical Data Overview

Environmental Chemical Data Survey Orientation
How can I find environmental and other information on the NHANES website? 2 Navigate NHANES Website Environmental Chemical Data Survey Orientation
How are the environmental chemical data structured? 3 Environmental Chemical Data Structure & Contents Environmental Chemical Data Survey Orientation
What do I need to know about the NHANES survey design and sample weighting before I start preparing my analytic dataset? 4 Overview of NHANES Survey Design and Weights Environmental Chemical Data Survey Orientation
How do I identify and locate the variables I need for my analysis? 5 Locate Variables Preparing an Environmental Chemical Analytic Dataset
How do I download the data and documentation files I need for my analysis? 6 Download Data Preparing an Environmental Chemical Analytic Dataset
How do I create one dataset for my analysis if I’m using data from more than one file or more than one 2-year survey cycle? 7 Merge & Append Datasets Preparing an Environmental Chemical Analytic Dataset
How do I adjust my dataset to accommodate missing data or outliers and how do I create new variables? 8 Review Data & Create New Variables Preparing an Environmental Chemical Analytic Dataset
What tools can I use to describe my variables and their numeric values? 9 Format & Label Variables Preparing an Environmental Chemical Analytic Dataset
How do I permanently save my dataset? 10 Save a Dataset Preparing an Environmental Chemical Analytic Dataset
What are the statistical considerations particular to environmental chemical data that I need to be aware of before starting my analysis? 11 Important Analytic Considerations and Limitations Regarding Environmental Chemical Data Analyses Critical Issues for Analysis of Environmental Chemical Data
What transformations might I need to perform on skewed environmental chemical data? 12 Data Normality and Transformations Critical Issues for Analysis of Environmental Chemical Data
What kind of adjustments might I need to make on environmental chemical data? 13 Using Blood-lipid or Urine-creatinine Adjustments Critical Issues for Analysis of Environmental Chemical Data
How do I estimate variance, calculate degrees of freedom, and/or analyze subgroups of environmental data? 14 Estimating variance, analyzing subgroups and calculating degrees of freedom for performing statistical tests and calculating confidence intervals Environmental Chemical Data Analyses
How do I assess normality and estimate geometric means, percentiles, and proportions of environmental chemical data? 15 Assess Normality and Estimate Geometric Means, Percentiles and Proportions Environmental Chemical Data Analyses
How can I test my hypotheses about environmental chemical data? 16 Test Hypotheses Environmental Chemical Data Analyses

 

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