Serum Micronutrient Status and Nutrient Intake of Elderly Yoruba People in a Slum of Ibadan, Nigeria

Overview

Journal Public Health Nutr

Publisher Cambridge University Press

Date 2012 Dec 6

PMID 23211101

Citations 3

Authors

Ibiyemi O Olayiwola

Grace T Fadupin

Serifat O Agbato

Deborah O Soyewo

Affiliations

Soon will be listed here.

Abstract

Objective: The present study was conceived in response to a perceived lack of data about the nutritional status of free-living elderly Yoruba people living in a poor urban area in south-western Nigeria. The major focus was to assess the micronutrient status of elderly Yoruba people living in a slum of Ibadan.

Design: A cross-sectional descriptive study was designed to collect data on dietary intake and micronutrient status.

Setting: By means of a structured questionnaire and the estimated food record method, nutrient intake was assessed. Blood was taken from 120 people to determine serum micronutrient levels.

Subjects: A total of 240 elderly Yoruba people were selected from Ibadan, Oyo State, Nigeria using a random sampling technique.

Results: The diet of the elderly Yoruba participants was mainly plant based and inadequate in B vitamins (especially B1, B6 and folic acid) and micronutrients such as Zn. The intake of vitamin A ranged from 269 to 487 μg/d, while vitamin B1 and B2 intakes ranged from 0·20 to 0·82 mg/d in both males and females. The intake of vitamin C varied from 24·8 to 42·8 mg/d. The majority of participants had insufficient serum levels of vitamins and minerals relative to reference values. Forty per cent were deficient in serum Ca, 71% were deficient in serum Zn and 51% were deficient in serum 25-hydroxyvitamin D.

Conclusions: The majority of the elderly Yoruba people were deficient in Zn, ferritin and vitamin B6. This is the result of a diet lacking in vitamins and minerals.

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