Canadian moms mostly stick to vitamin D rules for breastfed infants and young children, study finds

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In a caller study published successful The Journal of Nutrition, researchers assessed vitamin D supplementation adherence among breastfed babies (≤12 months) and children (>12 months).

Canada's dietary argumentation recommends 400 IU (10 µg) of vitamin D regular for breastfed newborns and mini children to support optimal vitamin D levels. The blimpish attack is owed to breastmilk's debased D vitamin contented and nan constricted nutrient sources successful nan diets of breastfed newborns and kids who proceed nursing for much than 12 months. Certain foods, for illustration babe look and cattle milk, are enriched pinch vitamin D; however, young children aged 1 to 3 years do not person them adequately. Vitamin D supplement usage rates are higher among nan occidental regions, nan Yukon, and nan Northwest Territories.

 HTeam / ShutterstockStudy: Adherence to vitamin D supplementation recommendations for breastfed infants and young children: an study of Canadian Community Health Survey information cycles 2015 to 2018. Image Credit: HTeam / Shutterstock

About nan study

The coming study examined vitamin D management compliance and wave for partially aliases wholly breastfed babies.

The superior extremity was to picture vitamin D supplement adherence rates and frequencies for breastfed infants aged ≤1.0 years. The secondary extremity was to measure vitamin D supplement usage among individuals receiving breastmilk aft nan first twelvemonth of birth. The researchers besides examined sociodemographic characteristics influencing vitamin D supplement adherence to pass organization wellness policies.

The squad examined nan Canadian Community Health Survey (CCHS) information for 2015–16 and 2017–18 and maternal acquisition information for breastfed children calved betwixt 2012 and 2018. During nan study, they eliminated information from mothers of children calved successful 2010 and 2011 and mothers of infants nether six months. They besides eliminated babies calved betwixt 2012 and 2018 owed to inadequate information connected breastfeeding and vitamin D management frequency.

The researchers obtained CCHS information telephonically and in-person, pinch nan anticipation of an in-person follow-up later. They collected information connected maternal experiences (such arsenic breastfeeding habits and D vitamin supplementation) from female respondents aged betwixt 15 and 55 who delivered babies betwixt 2010 and 2018. They investigated whether nan kid received vitamin D supplements and nan supplementation frequently.

The squad analyzed weighted information based connected breastfeeding history (exclusively for six months and continuing, partially for six months, and continuing and discontinued for little than six months). They utilized multivariate logistic regressions to cipher nan likelihood ratios (OR) for nan study, controlling for nan mother's age, assemblage wide scale (BMI), race, ethnicity, education, residential location, family income, root of income, and migrant status.


The mean maternal property was 31 years. The maternal proportionality wholly breastfeeding their infants for much than six months was 40% (n=2,752), while that of mothers practicing partial breastfeeding their kid for six months and continued was 31% (n=2,133). The percent of mothers who stopped breastfeeding aft six months of property was 29% (n=2,194).

Among participants, 87% reported providing their kid (≤12 months) vitamin D supplements, pinch 83% doing truthful regular aliases almost each day, 12% doing truthful 1 to 2 times weekly, and 4.30% doing truthful little than 1 clip per week. Participants who had ceased nursing for little than six months had poorer acquisition and income, were caller immigrants, aliases had an elevated pre-pregnancy BMI and had little adjusted chances of adherence. Western provinces had greater likelihood of adherence. Fifty-eight percent of participants who nursed their infants complete 12 months (n=2,312) provided them pinch vitamin D supplements regular aliases almost daily.

The study indicated a higher proportionality of moms who afloat aliases partially nursed their kids to six months and continued giving vitamin D supplements than those who discontinue nursing astatine six months aliases less. Infants who discontinue nursing for ≤6 months were much apt to person vitamin D supplements, pinch 88% utilizing it betwixt commencement and 12 months.

In 2015, much mothers provided vitamin D pills than successful 2012, peculiarly successful occidental regions. The likelihood of supplementing pinch vitamin D to infants aged 12 months aliases younger varies by maternal variables, including breastfeeding stopped ≤6 months, little maternal age, single, unmarried, little acquisition attainment, First Nations identities, higher BMI, caller immigration, surviving successful Atlantic regions, and beneath median income. Children calved successful nan 2015 to 2017 play and those surviving successful nan West had higher adjusted probabilities of adherence.

The study showed that while breastfed infants adhere to vitamin D supplementation astatine a precocious rate, 27% of moms do not. Adherence falls during 12 months, and much trading whitethorn beryllium required, particularly for mothers of caller immigrants aliases those pinch little socioeconomic levels. Less than 60% of breastfed children proceed to person vitamin D supplements beyond their first twelvemonth of birth. Despite this, 87% of women supplement pinch vitamin D passim nan first year, and 90% of newborns are breastfed partially aliases wholly for six months and beyond. Stopping breastfeeding, having a little adjusted family income than nan median, worse acquisition accomplishments, a higher BMI, and caller migration to Canada are related to reduced compliance.

Journal reference:

  • H.A. Weiler et al., Adherence to vitamin D supplementation recommendations for breastfed infants and young children: an study of Canadian Community Health Survey information cycles 2015–2018, The Journal of Nutrition, DOI: 10.1016/j.tjnut.2024.03.016,