Wasting and stunting in young children in developing countries

ISRCTN ISRCTN89017827
DOI https://doi.org/10.1186/ISRCTN89017827
Secondary identifying numbers N/A
Submission date
21/08/2017
Registration date
21/08/2017
Last edited
26/11/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Nutritional, Metabolic, Endocrine
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Background and study aims
Wasting (having a low weight-for-height) and stunting (having a low height-for-age) are common and are implicated in the deaths of almost two million children each year. Wasting and stunting tend to be addressed as separate issues despite evidence of common causes and the fact that many children suffer simultaneously from both conditions. The aim of this study is to examine the size of the overlap between wasted and stunted children to determine the degree of overlap and the association with underweight children.

Who can participate?
Children aged 6-59 months

What does the study involve?
A database of surveys is created containing data for almost 1.8 million children. This is analysed to determine the overlap between sets of wasted, stunted, and underweight children; the association between being wasted and being stunted; the severity of wasting and stunting; and the prevalence of wasting and stunting by age and sex.

What are the possible benefits and risks of participating?
There are no benefits or risks to the children who are measured. The benefit is to the international community concerned with addressing all forms of child undernutrition.

Where is the study run from?
Emergency Nutrition Network (UK)

When is the study starting and how long is it expected to run for?
January 1992 to December 2015

Who is funding the study?
1. US Agency for International Development (USA)
2. Irish Aid (Ireland)

Who is the main contact?
Ms Carmel Dolan

Contact information

Ms Carmel Dolan
Scientific

32 Leopold Street
Oxford
OX4 1TW
United Kingdom

Study information

Study designObservational cross-sectional study
Primary study designObservational
Secondary study designCross sectional study
Study setting(s)Other
Study typeOther
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific titleChildren who are both wasted and stunted are also underweight and have a high risk of death – policy implications
Study hypothesisThis study examined the magnitude of overlap between wasted and stunted children to determine the degree of overlap and the association with underweight children.
Ethics approval(s)This is an observational study so does not need ethical approval. All data was anonymous and was secondary and readily available for further analysis. There were no human or animal subjects.
ConditionNutrition
InterventionA database of cross-sectional survey datasets containing data for almost 1.8 million children was compiled. This was analysed to determine the intersection between sets of wasted, stunted, and underweight children; the association between being wasted and being stunted; the severity of wasting and stunting in WaSt children; and the prevalence of WaSt by age and sex. An additional analysis of the WHO Growth Standards sought the maximum possible weight-for-age z-score for WaSt children.
Intervention typeOther
Primary outcome measureOverlap between wasted, stunted and underweight children as measured by <-2SD WHZ, HAZ, WAZ
Secondary outcome measuresDegree of concurrence i.e. <-2SDWHZ AND ,-2SDHAZ in children and by age (6-59 months) and by sex (male/female)
Overall study start date01/01/1992
Overall study end date01/12/2015

Eligibility

Participant type(s)All
Age groupChild
Lower age limit6 Months
Upper age limit59 Months
SexBoth
Target number of participants1,796,991 children
Total final enrolment1796991
Participant inclusion criteria1. 6-59 month old children
2. Males and females
Participant exclusion criteriaChildren over 59 months of age
Recruitment start date01/01/1992
Recruitment end date01/12/2015

Locations

Countries of recruitment

  • Afghanistan
  • Albania
  • Algeria
  • American Samoa
  • Angola
  • Bahrain
  • Bangladesh
  • Benin
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Central African Republic
  • Chad
  • Congo
  • Congo, Democratic Republic
  • Côte d'Ivoire
  • Djibouti
  • Ecuador
  • Equatorial Guinea
  • Eritrea
  • Ethiopia
  • Gabon
  • Gambia
  • Ghana
  • Guinea-Bissau
  • Haiti
  • India
  • Indonesia
  • Kenya
  • Lao People's Democratic Republic
  • Lesotho
  • Liberia
  • Madagascar
  • Malawi
  • Mali
  • Mauritania
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Niger
  • Nigeria
  • Pakistan
  • Rwanda
  • Senegal
  • Sierra Leone
  • Somalia
  • South Sudan
  • Sudan
  • Tajikistan
  • Tanzania
  • Timor-Leste
  • Uganda
  • Yemen
  • Zambia
  • Zimbabwe

Study participating centre

-
-
Chad

Sponsor information

Emergency Nutrition Network
Charity

32 Leopold Street
Oxford
OX4 1TW
United Kingdom

Website http://www.ennonline.net/

Funders

Funder type

Government

United States Agency for International Development, 295 Grant Number: ENN AID-OFDA-G-15-00190
Government organisation / National government
Alternative name(s)
U.S. Agency for International Development, Agency for International Development, USAID
Location
United States of America
Irish Aid
Government organisation / National government
Location
Ireland

Results and Publications

Intention to publish date21/11/2017
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryStored in repository
Publication and dissemination planThe study is being submitted to a high impact peer reviewed journal and once accepted the trialists will ensure open access and at a later stage disseminate through their organization's global network and via international meetings/conferences.
IPD sharing planThese are merged datasets which many international organisations feed into when the surveys are complete. The data is anonymous so there is no risk of invading confidentiality. These are quite old SMART surveys that might not be used again. The agencies also have the data and the source agency is acknowledged in the paper. The data is officially ‘owned’ by the donors who funded the surveys originally and they insist on open access data exactly for the purpose of further analysis. The lead author is a senior analyst who has access to the datasets and has used the data for previous well known peer reviewed publications.

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 16/07/2018 26/11/2019 Yes No

Editorial Notes

26/11/2019: The following changes have been made:
1. Publication reference added.
2. The final enrolment number was added from the reference.