Dietary intakes, vitamin A, and iron status of women of childbearing age and children 6-59 months of age from Akwa Ibom state in Nigeria

Author(s)
  • International Institute of Tropical Agriculture (IITA)
  • HarvestPlus, International Food Policy Research Institute (IFPRI)
Release Year 2015
Regions
  • Western Africa
  • Sub-Saharan Africa
  • Africa
  • World
Themes
  • Nutrition and health
  • Women's empowerment
Resource Files
Source HARVARD Dataverse
Data collection period -
Temporal coverage -
Usage Rights
Access Open
License CC-BY-NC
Disclaimer

IFPRI adheres to the principle of unrestricted public access to its own final research outputs and will make such outputs freely available. The Institute encourages the use of the 'Dietary intakes, vitamin A, and iron status of women of childbearing age and children 6-59 months of age from Akwa Ibom state in Nigeria' dataset. For detailed information on its use, please refer to IFPRI's Intellectual Property Policy. The data files in this dataset are unit record or “raw” data files. Information that would allow survey respondents to be identified has been deleted from the files, but all other information remains. IFPRI's decision not to alter the contents of the data files means that the user of these files will need to take care in handling missing observations, outliers, and violations of logical consistency.

The data are provided “as is” and in no event shall IFPRI be lia ble for any damages resulting from use of the data. While great effort was taken to obtain high-quality data, the accuracy or reliability of the data is not guaranteed or warranted in any way.
Methodology
Instrument Questionnaire
Sampling The sample size was based on an estimated 30% prevalence of low serum retinol among children as a primary outcome among children aged 6-59 months and women of childbearing age. The final sample size of 660 households was calculated accepting a type I error of 0.05, a design effect of 2 and adjusting for a 15% drop out rate. The sampling procedure was a multistage cluster selection process of local government areas (LGAs) and further by enumeration areas (EAs), which is the smallest geographical cluster of households. The LGAs are grouped according to the level of urbanization (rural, moderate-urban, and urban) within each state. A comprehensive list of all EAs in selected local government areas was obtained from the State National Population Commission. Of the 31 LGAs in Akwa Ibom (16 rural, 10 moderate-urban, and 5 urban), 10 were randomly selected from the 26 non-urban LGAs, followed by the random selection of three EAs within each LGA. Therefore, each LGA comprised 3 clusters for a total of 30-cluster survey or 22 households per cluster for a total of 660 households. Out of 660 households, 587 (89%) particip ated in the dietary assessment and socio-economic components, and 640 mother/child pairs (97%) provided blood samples. The data is representative of the Akwa Ibom State, the dietary assessment was performed during the month of August 2011, and the blood collection in October 2011
Unit of analysis Individual level
Universe Households with women of childbearing age and preschool age children
Contact point IFPRI-DATA
DOI https://doi.org/10.7910/DVN/29604
Providers International Food Policy Research Institute (IFPRI)
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full citation International Institute of Tropical Agriculture (IITA), and HarvestPlus of International Food Policy Research Institute (IFPRI). 2015. Dietary intakes, vitamin A, and iron status of women of childbearing age and children 6-59 months of age from Akwa Ibom state in Nigeria. Washington, DC: International Food Policy Research Institute (IFPRI). http://dx.doi.org/10.7910/DVN/29604

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Abstract

HarvestPlus, part of the CGIAR Research Program on Agriculture for Nutrition and Health (A4NH), seeks to improve the nutrient density of staple food crops through conventional plant breeding.the nutrient density of staple food crops through conventional plant breeding. In 2011, three first-wave varieties of yellow cassava, containing 6-7 ppm of provitamin A, were released in Nigeria, while the full target (15 ppm of provitamin A) varieties are expected to be released in 2015/2016. Initially, the target levels of provitamin A in cassava were set by using rough estimates on cassava intake (grams/day); bioconversion, the retinol equivalency of provitamin A carotenoids, and losses of provitamin A during processing and cooking. However, accurate information on the above parameters were needed to confirm our initial assumptions. A study on bioconversion was performed as well as retention studies. In the present study we aimed to assess the cassava intake and the vitamin A deficiency among women and preschool children in Nigeria. Therefore, we conducted a cross-sectional survey in rural to moderately-urbanized areas of Akwa-Ibom, a state identified as having high cassava consumption and high prevalence of vitamin A deficiency among children under the age of 5. The specific aims of the study were: 1) to quantify the cassava and nutrient intake, and 2) to assess the vitamin A and iron status among preschool children and women of childbearing age.