Adherence to the infant vitamin D supplementation policy in Ireland

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dc.contributor.author Hemmingway, Andrea
dc.contributor.author Fisher, Dawn
dc.contributor.author Berkery, Teresa
dc.contributor.author Murray, Deirdre M.
dc.contributor.author Kiely Mairead E.
dc.date.accessioned 2020-07-27T09:13:07Z
dc.date.available 2020-07-27T09:13:07Z
dc.date.issued 2020-07-17
dc.identifier.citation Hemmingway, A., Fisher, D., Berkery, T., Murray, D. M. and Kiely M. E. (2020) 'Adherence to the infant vitamin D supplementation policy in Ireland', European Journal of Nutrition. doi: 10.1007/s00394-020-02334-w en
dc.identifier.issn 1436-6207
dc.identifier.uri http://hdl.handle.net/10468/10307
dc.identifier.doi 10.1007/s00394-020-02334-w en
dc.description.abstract Purpose: From September 2010 until November 2019, Ireland’s infant vitamin D supplementation policy recommended administration of 5 μg/day of vitamin D3 from birth to 12 months to all infants, regardless of feeding method. This study aims to examine policy adherence. Methods: In the prospective COMBINE birth cohort study (recruited 2015–2017), detailed longitudinal supplement data were examined in 364 infants across the first year of life, according to product type, dose, frequency, and duration. Vitamin D supplement use at 2, 6, and 12 months in COMBINE was compared with the BASELINE cohort (recruited 2008–2011, n = 1949). Results: In COMBINE, 92% of infants initiated supplementation at birth. The median supplementation duration was 51 (40, 52) weeks, with a range of 3–52 weeks. While supplementing, most parents (92%) used an exclusive vitamin D supplement as recommended and 88% gave 5 µg/day. Half (51%) gave vitamin D daily and a further 33% supplemented at least 3–6 times/week. Overall, 30% adhered fully to the policy, providing 5 µg vitamin D3 daily from birth to 12 months. A further 16% were broadly compliant, giving 5 µg frequently for the full 12 months. Vitamin D supplement use at 2, 6, and 12 months in COMBINE was 93%, 89%, and 72%, considerably higher than our earlier BASELINE cohort at 49%, 64%, and 44% at the same time points (all P < 0.001). Conclusions: We report a high level of vitamin D supplementation initiation at birth, with full to broad policy adherence among more than half of infants. There is scope to improve overall compliance by focusing on supplementation frequency. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Springer Nature Switzerland AG en
dc.rights © 2020, Springer-Verlag GmbH Germany, part of Springer Nature. This is a post-peer-review, pre-copyedit version of an article published in European Journal of Nutrition. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00394-020-02334-w en
dc.subject Adherence en
dc.subject Birth cohort en
dc.subject Infancy en
dc.subject Policy en
dc.subject Supplementation en
dc.subject Vitamin D en
dc.title Adherence to the infant vitamin D supplementation policy in Ireland en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Mairead Kiely, Food & Nutritional Sciences, University College Cork, Cork, Ireland. +353-21-490-3000 Email: m.kiely@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2021-07-17
dc.date.updated 2020-07-27T08:56:55Z
dc.description.version Accepted Version en
dc.internal.rssid 527488823
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder European Regional Development Fund en
dc.contributor.funder National Children’s Research Centre, Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle European Journal of Nutrition en
dc.internal.copyrightchecked Yes
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress m.kiely@ucc.ie en
dc.internal.bibliocheck In press. Check vol / issue / page range. Amend citation as necessary. en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Spokes Programme/14/SP APC INFANT/B3067/IE/The Cork Nutrition and Microbiome Maternal-Infant Cohort Study (COMBINE)/ en
dc.identifier.eissn 1436-6215


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