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Food-Security

National Nutrition and Health Survey 2015

Nigeria, 2015
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Reference ID
NGA_2015_NNHS_v01_EN_M_v01_A_OCS
Producer(s)
National Bureau of Statistics (NBS)
Collections
Food Security
Metadata
Documentation in PDF DDI/XML JSON
Created on
Jul 13, 2019
Last modified
Jul 13, 2019
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  • Study Description
  • Data Dictionary
  • Downloads
  • Get Microdata
  • Identification
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data collection
  • Data processing
  • Data Access
  • Disclaimer and copyrights
  • Contacts
  • Metadata production
  • Identification

    Survey ID number

    NGA_2015_NNHS_v01_EN_M_v01_A_OCS

    Title

    National Nutrition and Health Survey 2015

    Country
    Name Country code
    Nigeria NGA
    Study type

    Other Household Survey [hh/oth]

    Series Information

    The National Nutrition and Health Survey (NNHS) was carried out in 2015 by the National Bureau of Statistics (NBS). NNHS is a household survey conducted using Standardized Monitoring and Assessment of Relief and Transition (SMART) methods. NNHS is conducted annually and this is the second national level survey, the first being conducted from February to May 2014. In order to provide reliable data for planning and monitoring of key activities, new key indicators have been added: Malaria Intermittent Preventive Treatment in pregnancy for women in the reproductive age group, antenatal care coverage and HIV testing during ANC.. NNHS provides up-to-date information on the situation of nutrition and health and measures key indicators that support the country to monitor progress towards national and internal goals.

    Abstract

    The Global Nutrition Report (GNR) 2015 places Nigeria among the countries displaying commitment to reduce hunger and improve nutrition in children and women. Although it is still one of the five large low-middle income countries where more than half of children under age 5 are either stunted or wasted, the trends in meeting the global World Health Assembly Resolution (WHAR) targets are positive and Nigeria is obtaining “some progress”.

    This survey report presents the results of the National Nutrition and Health Survey conducted in all the 36 States of Nigeria and Federal Capital Territory (FCT) in July and September 2015. It is the second national survey to assess the nutritional and health status of children under 5 years of age and of women in the reproductive age group (15-49 years), the first being conducted from February to May 2014. In order to provide reliable data for planning and monitoring of key activities, new key indicators have been added: Malaria Intermittent Preventive Treatment in pregnancy for women in the reproductive age group, antenatal care coverage and HIV testing during ANC.

    The objectives of the survey are:

    1. Determine the prevalence of acute malnutrition among children 6 to 59 months of age using WHZ, Mid Upper Arm Circumference (MUAC) and bilateral oedema; Determine the prevalence of chronic malnutrition and underweight among children 0 to 59 months of age;
    2. Determine the prevalence of acute malnutrition among women 15 to 49 years of age using MUAC;
    3. Assess the prevalence of diarrhoea and use of ORS and zinc among children under-five years two weeks preceding the survey;
    4. Estimate coverage of vitamin A supplementation and deworming among children 6 to 59 and 12 to 59 months of age respectively within the last six months;
    5. Determine the coverage of DPT3/Penta3 and measles immunization among children 12-23 months of age;
    6. Determine the proportion of under five children with Acute Respiratory Infection (ARI) symptoms and proportion of children with fever received treatment;
    7. Determine the ownership and universal access of mosquito nets, and utilization of mosquito nets by children 0-59 months;
    8. Assess the practice of skilled birth attendants, contraceptive prevalence rate and antenatal care coverage among women 15 to 49 years; and
    9. Determine the proportion of women 15 – 49 years received HIV testing and intermittent preventive treatment during antenatal care.
    Kind of Data

    Sample survey data [ssd]

    Unit of Analysis

    Household

    Scope

    Notes

    The scope for data collected was as follows:

    • Nutritional status of children under 5 years of age [Acute Malnutrition, Underweight,Stunting and Overweight];

    • Health status of children under 5 years of age [DPT/Penta3 and measles immunisation coverage, diarrhoea and ORS therapy and zinc supplementation, Acute Respiratory Infection (ARI), fever prevalence and antibiotic treatment];

    • Malaria [household availability, net usage, fever prevalence, diagnosis and treatment of malaria in children under 5 years of age, and Malaria Intermittent Preventive Treatment in pregnancy for women in reproductive age group];

    • Nutritional status of women in the reproductive age group (15 – 49 years) [Acute malnutrition];

    • Health status of women in the reproductive age group (15 – 49 years) [skilled attendance at delivery, contraceptive prevalence rate, antenatal care coverage, and HIV testing during ANC];

    • MNCHW [coverage, Vitamin A supplementation and deworming coverage].

    Topics
    Topic Vocabulary
    Health World Bank
    HIV/AIDS World Bank
    Malaria World Bank
    Nutrition World Bank
    Population & Reproductive Health World Bank
    Water World Bank

    Coverage

    Geographic Coverage

    National Coverage Local Government

    Universe

    The survey covered all selected household members, all women aged 15-49 years resident in the household, and all children aged 0-4 years (under age 5) resident in the household.

    Producers and sponsors

    Primary investigators
    Name Affiliation
    National Bureau of Statistics (NBS) Federal Government of Nigeria (FGN)
    Producers
    Name Affiliation Role
    National Population Commission Federal Government of Nigeria (FGN) Technical Support
    Federal Ministry of Health Federal Government of Nigeria (FGN) Technical Support
    United Nations Children's Fund United Nations System Technical Support
    Funding Agency/Sponsor
    Name Role
    Federal Government of Nigeria Funding
    United Nations Children's Fund Funding
    United States Agency for International Development Funding
    Department for International Development Funding

    Sampling

    Sampling Procedure

    The National Nutrition and Health Survey using SMART methods is designed as a cross-sectional household survey using a two stage cluster sampling to provide results representative at the state level. Data were collected from a total of 25,210 households, 20,060 children under-five years of age and 23,688 women of reproductive age. The sample for the 2015 NNHS is nationally representative and covers the entire population residing in non-institutional dwelling units in the country. The survey uses the national sample frame, which is a list of Enumeration Areas (EAs) prepared for the 2006 Population Census. Administratively Nigeria is divided into states, Local Government Areas (LGAs), and localities. In addition to these administrative units, during the 2006 population census, each locality was subdivided into census Enumeration Areas (EAs). The primary sampling unit (PSU), referred to as a cluster in this survey, is defined on the basis of EAs from the 2006 EA census frame.

    The 2015 NNHS sample has been selected using a two-stage cluster design as described below.

    -First stage sampling procedure: cluster selection.
    The PSU (clusters) for each state were randomly selected from the national master sample frame according to the probability proportional to size (PPS) method with the support from National Population Commission.

    -Second stage sampling procedure: household selection.
    The second stage of sampling consisted of selecting households within each cluster by using systematic random selection. The team leader was responsible for the determination of the total number of households in the cluster by conducting a household listing through detailed enumeration of the selected cluster with a support from the community leader. This served as the sampling frame for the selection of households. The team leader then entered the total number of households onto the tablet and sampling interval was automatically calculated and displayed on the tablet. The sampling interval is calculated by dividing the total number of households in the cluster by the number of households to be interviewed. A random number table was used to randomly select a start number, between 1 and the sampling interval, to identify the first household. The sampling interval was used to identify all subsequent households to be included in the survey.

    Response Rate

    The target was to interview 26,048 households across the country. The set target was notreached and overall 25,210 households were interviewed (97 percent).

    Weighting

    The data was weighted using sampwgt.

    Data collection

    Dates of Data Collection
    Start End Cycle
    2015-07-01 2015-09-01 8 weeks

    Data processing

    Data Editing

    Computer data editing, table generation and analysis were carried out by the NBS staff at NBS headquarters, Abuja. Report writing was carried out by the Technical Committee of the Consultative Committee on National Nutrition and Health Survey (NNHS) 2015

    Data Access

    Confidentiality
    Is signing of a confidentiality declaration required? Confidentiality declaration text
    yes The confidentiality of the individual respondent is protected by law (Statistical Act 2007). This is published in the Official Gazette of the Federal Republic of Nigeria No. 60 vol. 94 of 11th June 2007. See section 26 para.2. Punitive measures for breeches of confidentiality are outlined in section 28 of the same Act.
    Access conditions

    A comprehensive data access policy is been developed by NBS, however section 27 of the Statistical Act 2007outlines the data access obligation of data producers which includes the realease of properly anonymized micro data.

    Citation requirements

    National Bureau of Statistics, National Nutrition and Health Survey 2015 v1.0

    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.

    Contacts

    Contacts
    Name Affiliation Email URL
    Dr. Yemi Kale (STATISTICIAN GENERAL) National Bureau of Statistics [email protected] http://www.nigerianstat.gov.ng
    Mr. Biyi Fafunmi Elisha (HOD ICT) National Bureau of Statistics [email protected] http://www.nigerianstat.gov.ng
    Mr. Isiaka Olarewaju (Director RSHD) National Bureau of Statistics [email protected] http://www.nigerianstat.gov.ng
    Adeyemi Adeniran (Head, Household, RSHD) National Bureau of Statistics [email protected] http://www.nigerianstat.gov.ng
    Mr. Adebisi, Sampler National Bureau of Statistics
    Arjan de Wagt (Chief of Nutrition) UNICEF Nigeria [email protected]
    Sara Gari-Sanchis (Nutrition monitoring Specialist) UNICEF Nigeria [email protected]
    Assaye Buti (Nurition officer) UNICEF Nigeria [email protected]
    Irenonse Victoria (Data Archivist) National Bureau of Statistics [email protected] http://www.nigerianstat.gov.ng

    Metadata production

    DDI Document ID

    DDI_NGA_2015_NNHS_v01_EN_M_v01_A_OCS_FAO

    Producers
    Name Affiliation Role
    Office of Chief Statistician Food and Agriculture Organization Metadata adapted for FAM
    National Bureau of Statistics Federal Government of Nigeria (FGN) Metadata Producer

    Metadata version

    DDI Document version

    NGA_2015_NNHS_v01_EN_M_v01_A_OCS_v01

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