期刊
PEDIATRICS
卷 145, 期 6, 页码 -出版社
AMER ACAD PEDIATRICS
DOI: 10.1542/peds.2019-3574
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资金
- Maine Economic Improvement Fund
- National Institutes of Health (NIH)
BACKGROUND:The American Academy of Pediatrics (AAP) revised its infant vitamin D intake guidelines in 2008. We aimed to examine previously unexplored trends in meeting vitamin D intake guidelines among US infants since 2009 and whether there were differences across demographic subgroups. METHODS:We analyzed dietary recall data for infants 0 to 11 months in the 2009-2016 NHANES. We estimated the percentage meeting 2008 AAP vitamin D guidelines, defined as consuming >= 1 L of infant formula and/or receiving a vitamin D supplement of >= 400 IU. We used Poisson regressions to assess trends over time and differences across demographic subgroups. RESULTS:Overall, 27.1% (95% confidence interval [CI]: 24.3%-29.8%) of US infants in 2009-2016 met vitamin D intake guidelines, with nonbreastfeeding infants (31.1% [95% CI: 27.6%-34.5%]) more likely to meet guidelines than breastfeeding infants (20.5% [95% CI: 15.4%-25.5%]; P < .01). From 2009-2010 to 2015-2016, overall and for both breastfeeding and nonbreastfeeding infants, there were no significant changes over time in the percentage of infants who met the guidelines (P > .05). Among breastfeeding infants, those with a family income >= 400% of the federal poverty level, with a college graduate head of household, and with private insurance were more likely to meet guidelines. CONCLUSIONS:Among US infants, we observed no increase in meeting AAP vitamin D intake guidelines since 2009. Less than 40% of infants met guidelines in nearly all demographic subgroups. These findings suggest renewed consideration of how to best meet vitamin D intake guidelines.
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