Brandy Wicklow1,2, Sina Gallo3, Annette Majnemer4, Catherine Vanstone3, Kathryn Comeau3, Glenville Jones5, Mary L'Abbe6, Ali Khamessan7, Atul Sharma4, Hope Weiler3, Celia Rodd3,4. 1. a The Children's Hospital Research Institute of Manitoba , Winnipeg , Manitoba , Canada. 2. b University of Manitoba , Pediatrics and Child Health , Winnipeg , Manitoba , Canada. 3. c School of Dietetics and Human Nutrition , McGill University , Ste. Anne de Bellevue, Quebec , Canada. 4. d Montreal Children's Hospital , Montreal , Quebec , Canada. 5. e Departments of Biomedical and Molecular Sciences and Medicine , Queen's University , Kingston , Ontario , Canada. 6. f Department of Nutritional Sciences , University of Toronto , Toronto , Ontario , Canada. 7. g EURO-PHARM International Canada Inc. , Montreal , Quebec , Canada.
Abstract
UNLABELLED: In addition to benefits for bone health, vitamin D is implicated in muscle function in children and adults. AIMS: To determine if vitamin D dosage positively correlated with gross motor development at 3 and 6 months of age. We hypothesized that higher doses would be associated with higher scores for gross motor skills. METHODS:A consecutive sample of 55 healthy, term, and breastfed infants from Montreal, Canada were recruited from a randomized trial of vitamin D supplementation between 2009 and 2012. Infants were randomized to 400 International Units (IU) (n = 19), 800 IU (n = 18) or 1,200 IU (n = 18) vitamin D3/day. Motor performance at 3 and 6 months was quantified by the Alberta Infant Motor Scale (AIMS). Plasma vitamin D3 metabolites were measured by tandem mass spectrometry. RESULTS: AIMS scores did not differ at 3 months. However, total AIMS scores and sitting subscores were significantly higher at 6 months in infants receiving 400 IU/day compared to 800 IU/day and 1,200 IU/day groups (p < .05). There were weak negative correlations with length and C-3 epimer of 25(OH)D. CONCLUSIONS: In contrast to our hypothesis, gross motor achievements were significantly higher in infants receiving 400 IU/day vitamin D. Our findings also support longer infants being slightly delayed.
RCT Entities:
UNLABELLED: In addition to benefits for bone health, vitamin D is implicated in muscle function in children and adults. AIMS: To determine if vitamin D dosage positively correlated with gross motor development at 3 and 6 months of age. We hypothesized that higher doses would be associated with higher scores for gross motor skills. METHODS: A consecutive sample of 55 healthy, term, and breastfed infants from Montreal, Canada were recruited from a randomized trial of vitamin D supplementation between 2009 and 2012. Infants were randomized to 400 International Units (IU) (n = 19), 800 IU (n = 18) or 1,200 IU (n = 18) vitamin D3/day. Motor performance at 3 and 6 months was quantified by the Alberta Infant Motor Scale (AIMS). Plasma vitamin D3 metabolites were measured by tandem mass spectrometry. RESULTS: AIMS scores did not differ at 3 months. However, total AIMS scores and sitting subscores were significantly higher at 6 months in infants receiving 400 IU/day compared to 800 IU/day and 1,200 IU/day groups (p < .05). There were weak negative correlations with length and C-3 epimer of 25(OH)D. CONCLUSIONS: In contrast to our hypothesis, gross motor achievements were significantly higher in infants receiving 400 IU/day vitamin D. Our findings also support longer infants being slightly delayed.
Entities:
Keywords:
Alberta Infant Motor Scale; gross motor; infant development; infant motor skills; vitamin D
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