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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Camargo, Carlos A. Ingham, Tristram Wickens, Kristin Thadhani, Ravi I. Silvers, Karen M. Epton, Michael J. Town, G. Ian Espinola, Janice A. Crane, Julian |
| Spatial Coverage | New Zealand |
| Description | Country affiliation: United States Author Affiliation: Camargo CA ( Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 326 Cambridge Street, Suite 410, Boston, MA 02114, USA. ccamargo@partners.org) |
| Abstract | Recognition of the important non-skeletal health effects of vitamin D has focused attention on the vitamin D status of individuals across the lifespan. To examine the vitamin D status of newborns, we measured serum levels of 25-hydroxyvitamin D (25(OH)D) in the cord blood of 929 apparently healthy newborns in a population-based study in New Zealand, a country at 41 °S latitude, with strong anti-skin cancer (sun avoidance) campaigns and without vitamin D food fortification. Randomly selected midwives in two regions recruited children. The median cord blood level of 25(OH)D was 44 nmol/l (interquartile range, 29-78 nmol/l). Overall, 19 % of newborns had 25(OH)D levels < 25 nmol/l and 57 % had levels < 50 nmol/l; only 27 % had levels of 75 nmol/l or higher, which are levels associated with optimal health in older children and adults. A multivariable ordinal logistic regression model showed that the strongest determinants of low vitamin D status were winter month of birth and non-European ethnicity. Other determinants of low cord blood 25(OH)D included longer gestational age, younger maternal age and a parental history of asthma. In summary, low levels of vitamin D are common among apparently healthy New Zealand newborns, and are independently associated with several easily identified factors. Although the optimal timing and dosage of vitamin D supplementation require further study, our findings may assist future efforts to correct low levels of 25(OH)D among New Zealand mothers and their newborn children. |
| File Format | HTM / HTML |
| ISSN | 00071145 |
| Issue Number | 7 |
| Volume Number | 104 |
| e-ISSN | 14752662 |
| Journal | British Journal of Nutrition |
| Language | English |
| Publisher | Cambridge University Press (on behalf of The Nutrition Society) |
| Publisher Date | 2010-10-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Nutritional Discipline Sciences Fetal Blood Chemistry Infant, Newborn Blood Nutritional Status Vitamin D Deficiency Epidemiology Vitamin D Analogs & Derivatives Asthma Gestational Age Humans Logistic Models Maternal Age Midwifery New Zealand Parents Seasons Skin Neoplasms Prevention & Control Ethnology Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nutrition and Dietetics Medicine |
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