期刊
JOURNAL OF NUTRITION
卷 151, 期 7, 页码 1956-1964出版社
ELSEVIER SCIENCE INC
DOI: 10.1093/jn/nxab088
关键词
complementary feeding; infant and young child feeding; socioeconomic factors; health equity; child nutrition
资金
- Bill & Melinda Gates Foundation [Coverage & Equity of Reproductive, Maternal, Newborn, Child and Adolescent Health (RMNCAH) Outcomes: Research & Analysis from Pelotas] [OPP1199234]
- Wellcome Trust [101815/Z/13/Z]
- Associacao Brasileira de Saude Coletiva (ABRASCO)
The study revealed that only a small number of countries in 80 low- and middle-income countries have achieved recommended levels of complementary feeding practices for children, with significant differences between regions. There is a clear association between wealth and complementary feeding indicators, with pro-rich within-country inequalities being more common.
Background: Adequate complementary feeding practices in early childhood contribute to better food preferences and health outcomes throughout the life course. Objectives: The aim of this study was to describe patterns and socioeconomic inequalities in complementary feeding practices among children aged 6-23 mo in 80 low- and middle-income countries. Methods: We analyzed national surveys carried out since 2010. Complementary feeding indicators for children aged 6-23 mo included minimum dietary diversity (MDD), minimum meal frequency (MMF), and minimum acceptable diet (MAD). Between- and within-country inequalities were documented using relative (wealth deciles), gross domestic product (GDP) per capita, and absolute (estimated household income) socioeconomic indicators. Statistical analyses included calculation of the slope index of inequality, Pearson correlation and linear regression, and scatter diagrams. Results: Only 21.3%, 56.2%, and 10.1% of the 80 countries showed prevalence levels >50% for MDD, MMF, and MAD, respectively. Western & Central Africa showed the lowest prevalence for all indicators, whereas the highest for MDD and MAD was Latin America & Caribbean, and for MMF it was East Asia & the Pacific. Log GDP per capita was positively associated with MDD (R-2 = 48.5%), MMF (28.2%), and MAD (41.4%). Pro-rich within-country inequalities were observed in most countries for the 3 indicators; pro-poor inequalities were observed in 2 countries for MMF, and in none for the other 2 indicators. Breast milk was the only type of food with a pro-poor distribution, whereas animalsource foods (dairy products, flesh foods, and eggs) showed the most pronounced pro-rich inequality. Dietary diversity improved sharply when absolute annual household incomes exceeded similar to US$20,000. All 3 dietary indicators improved by age and no consistent differences were observed between boys and girls. Conclusions: Monitoring complementary feeding indicators across the world and implementing policies and programs to reduce wealth-related inequalities are essential to achieve optimal child nutrition.
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