Practical Guide for HDSS Data for Analysis using Stata
Transcript of Practical Guide for HDSS Data for Analysis using Stata
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Practical Guide for Preparing Health & Demographic Surveillance System Data for
Analysis using Stataby
Sulaimon A. Afolabi
LM. AlbertLM Albert LM. Albert
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Learning
ObjectivesHave an understanding of health & demographic surveillance system;
Learn certain commands in stata;
Convert dataset from wide to long format;
Combine or merge two or more datasets;
Check dataset for inconsistencies;
Prepare dataset for event history and other analyses;
Perform event history analyses.
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HDSS is a system established for the collection of health and demographic data on people living in a geographically delimited area.
Most HDSS sites operate a reference data model, which is a database design with the capacity to store temporal and relational information.
HDSS site can be found mostly in sub-Saharan Africa, Asia and other developing countries.
Health & Demographic Surveillance System(HDSS) H D S S
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Countries with HDSS Sites
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HDSS is a system established for the collection of health and demographic data on people living in a geographically delimited area.
Most HDSS sites operate a reference data model, which is a database design with the capacity to store temporal and relational information.
HDSS site can be found mostly in sub-Saharan Africa, Asia and other developing countries.
Health & Demographic Surveillance System(HDSS)
International Network of field sites with continuous Demographic Evaluation of Populations and Their Health also known as INDEPTH-Network, is an umbrella body of the HDSS sites.
H D S S
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www.indepth-network.org
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Data Structure
Labour Status
Residence
BirthDeathIn-migration Out-migration
Individuals
Observation
Episode
Event
Object
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HDSS Residence Episode
Death Out-migration
Birth In-migration
Entry
Population under surveillance
Enum
erati
on
Exit
Curr
ent
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Date
3
Date
4
Curre
nt
Date
DeathDM In-Migration
Date
2
B
M
Mpoint in
time
e
e
e
Date
1Res
idents
Baseline Enumeratione
D
D
BirthB C CurrentOut-MigrationM
Date 2 – Current Date
Date 1 – Date 4
Date 1 – Date 3
Date 2 – Date 4
Date 1 – Current Date
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Id Sex Date of Birth Start Date End Date Initiating-Event-Type Terminating-Event-TypeFMCPT Male 1977-09-22 2001-07-15 2005-01-01 In-Migration Death
Long FormatId Sex Birth Date Event Date Event TypeFMCPT Male 1977-09-22 2001-07-15 In-MigrationFMCPT Male 1977-09-22 2005-01-01 Death
Wide Format
Split FormatId Sex Birth Date Event Date EventTypeFMCPT Male 1977-09-22 2001-01-01 In-MigrationFMCPT Male 1977-09-22 2002-01-01 ResidentFMCPT Male 1977-09-22 2003-01-01 ResidentFMCPT Male 1977-09-22 2004-01-01 ResidentFMCPT Male 1977-09-22 2005-01-01 Death
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Building Codes Clear all open records
Set memory size
Create a working directory
Load the dataset
Get summary info on dataset
Label the variables of interest
Recode relevant variables
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Backend
Review Pane
Variable Pane
VariableProperties
Pane
Command Pane
Do File button
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Run Button
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https://github.com/afolaborn/Stata_Projects/tree/master/HDSS_Analysis
Stata DO Files Data Files
Power point presentation
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https://www.youtube.com/playlist?list=PLv5mj-2DreFjCDzG7zK5UJ3HmlwiIJ5dI
Click on the link below to watch the video on youtube