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Sample Vital Registration with Verbal Autopsy 2011-2012

Tanzania, 2011 - 2012
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Reference ID
TZA_2011_SAVVY_v01_M
Producer(s)
Honoraty Masanja
Metadata
DDI/XML JSON
Study website
Created on
Mar 13, 2015
Last modified
Mar 29, 2019
Page views
2749
Downloads
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  • Study Description
  • Data Dictionary
  • Downloads
  • Related Publications
  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data Collection
  • Questionnaires
  • Access policy
  • Disclaimer and copyrights
  • Metadata production

Identification

Survey ID Number
TZA_2011_SAVVY_v01_M
Title
Sample Vital Registration with Verbal Autopsy 2011-2012
Country
Name Country code
Tanzania TZA
Series Information
SAmple Vital event registration with Verbal autopsY (SAVVY) research project is a demographic surveillance system within Sentinel Panel of District (SPD) platform that collects and analyzes health community-based information data with intent to determine community birth trends and cause-specific mortality fractions in a population that has no complete or incomplete vital registration system. SAVVY provides nationally representative estimates of mortalities based on age, sex, residence and zone, and it covers about 2% of Tanzania mainland population.The cause-specific mortality fraction is determined based on verbal autopsy interviews with next of kin or other caregivers.

The Sentinel Panel of Districts (SPD) is a nationally-representative sample of 23 districts (plus an additional 4) in Mainland Tanzania for health monitoring, evaluation and research.
The panel has two "arms". The population-based arm (SAVVY1) tracks vital events in a total population of around 800,000 people. This will produce annual estimates of age- and cause-specific mortality as well as other key demographic variables.
Abstract
SAVVY is a demographic surveillance system built around vital events monitoring. It operates in a similar way to existing Health and Demographic Surveillance (HDSS) but is distributed across the country and sampled to generate estimates that are nationally representative. The system is based on a periodic census of the sample population that provides information on population age, sex, household characteristics and migration. During the year, community key informants report births and deaths and probable cause of death is determined through verbal autopsy.
Kind of Data
Event/transaction data [evn]

Version

Version Description
SAVVY started with baseline enumeration censuses in March 2011 and continued in phases until it reached a full scale of all 23 districts in March 2014. Follow-up enumeration censuses will be conducted from 2015. Monitoring of vital events and conducting verbal autopsy (VA) interviews in enumeration areas began shortly after commencement of baseline censuses and is done prospectively.
The data collected will be archived on a yearly base.

SAVVY BASELINE CENSUS DEPLOYEMENT PER DISTRICT (2011/14)

Districts CENSUS IMPLEMENTED PERIOD
Starting date Completion date
Bagamoyo 05.06.2011 15.07.2011
Kinondoni 05.06.2011 15.07.2011
Geita 07.06.2011 08.2011
Kahama 21.03.2011 03.06.2011
Sumbawanga 02.04.2012 28.05.2012
Mbozi 28.03.2012 28.05.2012
Iringa Urban 28.03.2012 13.05.2012
Songea Urban 02.04.2012 13.05.2012
Muleba 16.04.2012 28.06.2012
Musoma Rural 12.04.2012 12.06.2012
Kilosa 15.10.2012 11.12.2012
Mtwara Urban 08.10.2012 19.11.2012
Ruangwa 08.10.2012 19.11.2012
Babati 30.01.2013 22.03.2013
Kondoa 28.01.2013 22.03.2013
Singida Rural 28.01.2013 23.03.2013
Kasulu 05.04.2013 23.05.2013
Uyui 02.04.2013 23.05.2013
ILALA 27.05.2013 08.07.2013
TEMEKE 27.05.2013 08.07.2013
Arusha Urban 10.02.2014 21.03.2014
Moshi Rural 10.02.2014 21.03.2014
Tanga Urban 12.02.2014 23.03.2014
Version Date
2014

Scope

Notes
Health services
Mortality rate
Demographic data

Coverage

Geographic Coverage
SAVVY is part of the Sentinel Panel of Districts (SPD), a nationally-representative sample of 23 districts (plus an additional 4) in Mainland Tanzania for health monitoring, evaluation and research.
Attention: the totality of distrcits has been reached only in March 2014!
Geographic Unit
Individuals in sampled households.
Universe
Resident population (nationally representative), longitudinal.

Producers and sponsors

Primary investigators
Name Affiliation
Honoraty Masanja Ifakara Health Institute, Dar es Salaam, Tanzania
Producers
Name Role
Ifakara Health Institute Executive Producer
Ministry of Health and Social Welfare Initiator
National Bureau of Statistics Initiator
National Institute for Medical Research Initiator
Funding Agency/Sponsor
Name Abbreviation
US Centre for Disease Control CDC
UK Department for International Development DID
Irish Aid
Norwegian Agency for Development Cooperation
Swiss Agency for Development & Cooperation
Other Identifications/Acknowledgments
Name Affiliation Role
Gregory S. Kabadi Ifakara Health Institute, Dar es Salaam, Tanzania Researcher
Isaac Lyatuu Ifakara Health Institute, Dar es Salaam, Tanzania Analyst, Data Manager
Paul Smithson Ifakara Health Institute, Dar es Salaam, Tanzania Researcher
Eveline Geubbels Ifakara Health Institute, Dar es Salaam, Tanzania Researcher
Richard Amaro Ifakara Health Institute, Dar es Salaam, Tanzania Researcher
Sylvia Meku National Bureau of Statistics, Dar es Salaam, Tanzania Researcher
Wilfred Yohama Ministry of Health and Social Welfare, Dar es Salaam, Tanzania Researcher
Mary Kibona Centers for Disease Control and Prevention, Dar es Salaam, Tanzania Researcher
Mark Urassa National Institute for Medical Research, Mwanza, Tanzania Researcher
Joanna A. Schellenberg London School of Hygiene and Tropical Medicine, London, United Kingdom Researcher

Sampling

Sampling Procedure
A two-stage probability sampling approach was employed. District sampling aims to permit disaggregation of results by residence (urban/rural) as well as by zone. Within selected districts, enumeration areas were randomly selected from the national master sample frame, to yield a total sample of 167,000 households comprising about 800,000 individuals (~2% of Mainland Tanzania population).

SAVVY data collection is grouped into three categories: census enumeration, birth and death notifications, and VA interviews. During initial setup of the SAVVY arm, baseline censuses were conducted in all districts enumerating all households within the selected enumeration areas and captured a snapshot of the population. Each household was visited and family structure data were collected including details of the head of household, each member's name, gender, occupation, and education. Follow up questions were asked for female household members on number of children. During baseline census, retrospective death events of the past 12 months were also collected. A notification system of vital events was set up following the baseline censuses. Each birth or death event occurring in SAVVY enumeration areas triggered a notification message sent by a community key informant using a mobile phone. In addition to reporting of vital events, SAVVY also promotes vital registration through use of government registers provided by the Registration Insolvency and Trusteeship Agency (RITA).

SAVVY started with baseline enumeration censuses in March 2011 and continued in phases until it reached a full scale of all 23 districts in March 2014. Follow-up enumeration censuses will be conducted from 2015. Monitoring of vital events and conducting verbal autopsy (VA) interviews in enumeration areas began shortly after commencement of baseline censuses and is done prospectively. FBIS data collection began in January 2010 and is conducted regularly on monthly basis from all health facilities in SPD districts.
Response Rate
Number of districts 23 districts
Total Population 644,217 people
Males (%) 48%
Population rural (%) 70%

Data Collection

Dates of Data Collection
Start End
2011-03 2012-04
Time periods
Start date End date Cycle
2011-03 2011-03 Baseline
2012-04 2015 Present Data
Data source
  • This series of SAVVY mortality surveillance system manuals, guides, and other documents is available at the MEASURE Evaluation Web site at: http://www.cpc.unc.edu/measure/leadership/savvy.html
Supervision
Ifakara Health Institute supervision and training of districts coordinators.
Data Collectors
Name Abbreviation Affiliation
Ifakara Health Institute IHI
District Coordinators Ministry of Health and Social Ministry of Health and Social Welfare (MOSHW)

Questionnaires

Questionnaires
Census enumeration, birth and death notifications, and VA interviews.

Data collection instruments include two registers (births, deaths) and three questionnaires (household census, and verbal autopsy questionnaires for neonates, children and adults). The household census questionnaire includes household identification, location, household members, dates of birth, highest educational attainment, occupation and births in the past twelve months. The births and deaths registers record individual and household identity, location and date of event. The verbal autopsy questionnaires have an identification section; history of chronic illness; verbal account of the events leading to death; symptoms checklist; lifestyle (use of alcohol, drugs and smoking), and sequential use of health services prior to death.

Each death notification event is followed by a VA interview with the head of household or a person who took care of the deceased. Interviewers use the three standard World Health Organisation’s 2002 VA questionnaires: for newborns (0-28 days), children (29 days -14 years) and adults (15 years and above).9 These questionnaires are designed to collect background information of the deceased including their age, sex, marital status, and health data prior to death. Other information collected in verbal autopsy interviews include history of chronic illness, a narrative account of events leading to death, symptom checklist and duration, lifestyle (use of alcohol, drugs and smoking) and a sequence of use of health services prior to death. All information on verbal autopsy interviews (those captured retrospectively and prospectively during baseline census) are sent to trained physicians in order to establish a probable cause of death. Each death is coded independently using the World Health Organisation International Classification of Diseases and Health Related Conditions version 10 (ICD 10).

Access policy

Contacts
Name Affiliation Email
Isaac Lyatuu Ifakara Health Institute ilyatuu@ihi.or.tz
Access conditions
Licensed dataset
Citation requirements
"Sentinel Panel of Districts - Ifakara Health Institute,Tanzania Sample vital registration with verbal autopsy (SAVVY) (May 2014), provided by Ifakara Health Institute, Dar es Salaam, Tanzania. data.ihi.or.tz"
Access authority
Name Affiliation Email
Data Unit Ifakara Health Institute dc@ihi.or.tz
SPD Unit Ifakara Health Institute spd@ihi.or.tz
Location of Data Collection
Ifakara Health Institute
Archive where study is originally stored
Ifakara Health Institute
http://data.ihi.or.tz/index.php/catalog/3
Cost: None

Disclaimer and copyrights

Disclaimer
The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
Copyright
Ifakara Health Institute

Metadata production

DDI Document ID
DDI_TZA_2011_SAVVY_v01_M
Producers
Name Affiliation Role
Juan Manuel BLANCO Ifakara Health Institute Documentation of the DDI
Date of Metadata Production
2014-05-21
DDI Document version
Version 02 (January 2015). Edited version based on Version 01 DDI (DDI_IHI_IMPACT_SAVVY_201405_v02) that was done by Ifakara Health Institute.
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