Holick MF: Vitamin D deficiency. N Engl J Med. 2007, 357: 266-281. 10.1056/NEJMra070553.
Article
CAS
PubMed
Google Scholar
Bischoff-Ferrari HA, Willett WC, Wong JB, Stuck AE, Staehelin HB, Orav EJ, Thoma A, Kiel DP, Henschkowski J: Prevention of nonvertebral fractures with oral vitamin D and dose dependency: a meta-analysis of randomized controlled trials. Arch Intern Med. 2009, 169: 551-561. 10.1001/archinternmed.2008.600.
Article
CAS
PubMed
Google Scholar
Bischoff-Ferrari HA, Dawson-Hughes B, Staehelin HB, Orav JE, Stuck AE, Theiler R, Wong JB, Egli A, Kiel DP, Henschkowski J: Fall prevention with supplemental and active forms of vitamin D: a meta-analysis of randomised controlled trials. Br Med J. 2009, 339: b3692-10.1136/bmj.b3692.
Article
CAS
Google Scholar
Lin J, Manson JE, Lee IM, Cook NR, Buring JE, Zhang SM: Intakes of calcium and vitamin D and breast cancer risk in women. Arch Intern Med. 2007, 167: 1050-1059. 10.1001/archinte.167.10.1050.
Article
CAS
PubMed
Google Scholar
Gorham ED, Garland CF, Garland FC, Grant WB, Mohr SB, Lipkin M, Newmark HL, Giovannucci E, Wei M, Holick MF: Optimal vitamin D status for colorectal cancer prevention: a quantitative meta analysis. Am J Prev Med. 2007, 32: 210-216. 10.1016/j.amepre.2006.11.004.
Article
PubMed
Google Scholar
Giovannucci E, Liu Y, Hollis BW, Rimm EB: 25-hydroxyvitamin D and risk of myocardial infarction in men: a prospective study. Arch Intern Med. 2008, 168: 1174-1180. 10.1001/archinte.168.11.1174.
Article
CAS
PubMed
PubMed Central
Google Scholar
Moan J, Porojnicu AC, Dahlback A, Setlow RB: Addressing the health benefits and risks, involving vitamin D or skin cancer, of increased sun exposure. PNAS. 2008, 105: 668-673. 10.1073/pnas.0710615105.
Article
CAS
PubMed
PubMed Central
Google Scholar
Pieper CF, Colon-Emeric C, Caminis J, Betchyk K, Zhang J, Janning C, Shostak J, LeBoff MS, Heaney RR, Lyles KW: Distribution and correlates of serum 25-hydroxyvitamin D levels in a sample of patients with hip fracture. Am J Geriatr Pharmacother. 2007, 5: 335-340. 10.1016/j.amjopharm.2007.12.004.
Article
CAS
PubMed
PubMed Central
Google Scholar
Venning G: Recent developments in vitamin D decifiency and muscle weakness among elderly people. Br Med J. 2005, 330: 524-526. 10.1136/bmj.330.7490.524.
Article
CAS
Google Scholar
Meunier P: Prevention of hip fractures by correcting calcium and vitamin D insufficiencies in elderly people. Scand J Rheumatol. 1996, 25 (Suppl 103): 75-78.
Article
Google Scholar
Hayes CE: Vitamin D: a natural inhibitor of multiple sclerosis. Proc Nurt Soc. 2000, 59: 531-535. 10.1017/S0029665100000768.
Article
CAS
Google Scholar
Bischoff-Ferrari HA, Can U, Staehelin HB, Platz A, Henschkowski J, Michel BA, Dawson-Hughes B, Theiler R: Severe vitamin D deficiency in Swiss hip fracture patients. Bone. 2008, 42: 597-602. 10.1016/j.bone.2007.10.026.
Article
CAS
PubMed
Google Scholar
Kimlin MG: Geographic location and vitamin D synthesis. Mol Aspects Med. 2008, 29: 453-461. 10.1016/j.mam.2008.08.005.
Article
CAS
PubMed
Google Scholar
Chen TC, Chimeh F, Lu Z, Mathieu J, Person KS, Zhang A, Kohn N, Martinello S, Berkowitz R, Holick MF: Factors that influence the cutaneous synthesis and dietary sources of vitamin D. Arch Biochem Biophys. 2007, 460: 213-217. 10.1016/j.abb.2006.12.017.
Article
CAS
PubMed
PubMed Central
Google Scholar
Touma Z, Eder L, Zisman D, Feld J, Chandran V, Rosen CF, Shen H, Cook RJ, Gladman DD: Seasonal variation in vitamin D levels in psoriatic arthritis patients from different latitudes and its association with clinical outcomes. Arthritis Care Res (Hoboken). 2011, 63: 1440-1447. 10.1002/acr.20530.
Article
CAS
Google Scholar
Rucker D, Allan JA, Fick GH, Hanley DA: Vitamin D insufficiency in a population of healthy western Canadians. CMAJ. 2002, 166: 1517-1524.
PubMed
PubMed Central
Google Scholar
Langolois K, Greene-Finestone L, Little J, Hidiroglou N, Whiting S: Vitamin D status of Canadians as measured in the 2007 to 2009 Canadian Health Measures Survey. Statistics Canada. 2010, 21: 47-54.
Google Scholar
Greene-Finestone LS, Berger C, de Groh M, Hanley DA, Hidiroglou N, Sarafin K, Poliquin S, Krieger J, Richards JB, Goltzman D, CaMos Research Group: 25-Hydroxyvitamin D in Canadian adults: biological, environmental, and behavioral correlates. Osteoporos Int. 2011, 22: 1389-1399. 10.1007/s00198-010-1362-7.
Article
CAS
PubMed
Google Scholar
Vieth R, Cole DE, Hawker GA, Trang HM, Rubin LA: Wintertime vitamin D insufficiency is common in young Canadian women and their vitamin D intake does not prevent it. Eur J Clin Nutr. 2001, 55: 1091-1097. 10.1038/sj.ejcn.1601275.
Article
CAS
PubMed
Google Scholar
Mark S, Gray-Donald K, Delvin EE, O'Loughlin J, Paradis G, Levy E, Lambert M: Low vitamin D status in a representative sample of youth from Quebec, Canada. Clin Chem. 2008, 54: 1283-1289. 10.1373/clinchem.2008.104158.
Article
CAS
PubMed
Google Scholar
Gozdzik A, Barta JL, Wu H, Wagner D, Cole DE, Vieth R, Whiting S, Parra EJ: Low wintertime vitamin D levels in a sample of healthy young adults of diverse ancestry living in the Toronto area: Associations with vitamin D intake and skin pigmentation. BMC Public Health. 2008, 8: 336-10.1186/1471-2458-8-336.
Article
PubMed
PubMed Central
Google Scholar
Newhook LA, Sloka S, Grant M, Randell E, Kovacs CS, Twells LK: Vitamin D insufficiency common in newborns, children and pregnant women living in Newfoundland and Labrador, Canada. Matern Child Nutr. 2009, 5: 186-191. 10.1111/j.1740-8709.2008.00157.x.
Article
PubMed
Google Scholar
Waiters B, Godel JC, Basu TK: Perinatal vitamin D and calcium status of northern Canadian mothers and their newborn infants. J Am Coll Nutr. 1999, 18: 122-126.
Article
CAS
PubMed
Google Scholar
van der Wielen RP, Löwik MR, van den Berg H, de Groot LC, Haller J, Moreiras O, van Staveren WA: Serum vitamin D concentrations among elderly people in Europe. Lancet. 1995, 346: 207-210. 10.1016/S0140-6736(95)91266-5.
Article
CAS
PubMed
Google Scholar
Dawodu A, Kochiyil J, Altaye N: Pilot study of sunlight exposure and vitamin D status in Arab women of childbearing age. East Mediterr Health J. 2011, 17: 570-574.
CAS
PubMed
Google Scholar
Budak N, Cicek B, Sahin H, Tutus A: Bone mineral density and serum 25-hydroxyvitamin D level: is there any difference according to the dressing style of the female university students. Int J Food Sci Nutr. 2004, 55: 569-575. 10.1080/09637480400015869.
Article
CAS
PubMed
Google Scholar
Weiler HA, Leslie WD, Krahn J, Steiman PW, Metge CJ: Canadian Aboriginal women have a higher rate of vitamin D deficiency than non-Aboriginal women status despite similar dietary vitamin D intakes. J Nutr. 2007, 137: 461-465.
CAS
PubMed
Google Scholar
Ginde AT, Liu MC, Camargo CA: Demographic differences and trends of vitamin D insufficiency in the US population, 1988–2004. Arch Intern Med. 2009, 169: 626-632. 10.1001/archinternmed.2008.604.
Article
CAS
PubMed
PubMed Central
Google Scholar
Saintonge S, Bang H, Gerber LM: Implications of a new definition of vitamin D deficiency in a multiracial US adolescent population: the National Health and Nutrition Examination Survey III. Pediatrics. 2009, 123: 797-803. 10.1542/peds.2008-1195.
Article
PubMed
Google Scholar
Jääskeläinen T, Knekt P, Marniemi J, Sares-Jäske L, Männistö S, Heliövaara M, Järvinen R: Vitamin D status is associated with sociodemographic factors, lifestyle and metabolic health. Eur J Nutr. 2012, [Epub ahead of print]
Google Scholar
Hall ES, South AP, Jones DE, Meinzen-Derr J, Huo S, Liu L, Greenberg JM: Spatial analysis in support of community health intervention strategies. AMIA Annu Symp Proc. 2012, 2012: 311-320.
PubMed
PubMed Central
Google Scholar
Musio M, Sauleau EA: Augustin NH Resources allocation in healthcare for cancer: a case study using generalised additive mixed models. Geospat Health. 2012 Nov, 7 (1): 83-9.
Article
PubMed
Google Scholar
Rushton G, Krishnamurthy R, Krishnamurti D, Lolonis P, Song H: The spatial relationship between infant mortality and birth defect rates in a U.S. city. Stat Med. 1996, 15 (17–18): 1907-19.
Article
CAS
PubMed
Google Scholar
DeFranco EA, Lian M, Muglia LA, Schootman M: Area-level poverty and preterm birth risk: a population-based multilevel analysis. BMC Public Health. 2008, 8: 316-10.1186/1471-2458-8-316.
Article
PubMed
PubMed Central
Google Scholar
IOM (Institute of Medicine): Dietary Reference Intakes for Calcium and Vitamin D. 2011, Washington, DC: The National Academies Press
Google Scholar
Statistics Canada: 2006 Canadian Census. Available at: http://www.statcan.gc.ca
Desquilbet L, Mariotti F: Dose–response analyses using restricted cubic spline functions in public health research. Stat Med. 2010, 29: 1037-1057.
PubMed
Google Scholar
Liu BA, Gordon M, Labranche JM, Murray TM, Vieth R, Shear NH: Seasonal prevalence of vitamin D deficiency in institutionalized older adults. J Am Geriatr Soc. 1997, 45: 598-603.
Article
CAS
PubMed
Google Scholar
Peacock M, Liu G, Carey M, McClintock R, Ambrosius W, Hui S, Johnston CC: Effect of calcium or 25OH vitamin D3 dietary supplementation on bone loss at the hip in men and women over the age of 60. J Clin Endocrinol Metab. 2000, 85: 3011-3019. 10.1210/jc.85.9.3011.
CAS
PubMed
Google Scholar
Holick MF, Matsuoka LY, Wortsman J: Age, vitamin D, and solar ultraviolet. Lancet. 1989, 2: 1104-1105.
Article
CAS
PubMed
Google Scholar
von Mühlen DG, Greendale GA, Garland CF, Wan L, Barrett-Connor E: Vitamin D, parathyroid horomone levels and bone mineral density in community-dwelling older women: the Rancho Bernardo study. Osteoporos Int. 2005, 16: 1721-1726. 10.1007/s00198-005-1910-8.
Article
PubMed
Google Scholar
Mithal A, Wahl DA, Bonjour JP, Burckhardt P, Dawson-Hughes B, Eisman JA, El-Hajj Fuleihan G, Josse RG, Lips P, Morales-Torres J, IOF Committee of Scientific Advisors (CSA) Nutrition Working Group: Global vitamin D status and determinants of hypovitaminosis D. Osteoporosis Int. 2009, 20: 1807-1820. 10.1007/s00198-009-0954-6.
Article
CAS
Google Scholar
Lebrun JB, Moffatt ME, Mundy RJ, Sangster RK, Postl BD, Dooley JP, Dilling LA, Godel JC, Haworth JC: Vitamin D deficiency in a Manitoba community. Can J Public Health. 1993, 84: 394-396.
CAS
PubMed
Google Scholar
Ward LM, Gaboury I, Ladhani M, Zlotkin S: Vitamin D-deficiency rickets among children in Canada. CMAJ. 2007, 177: 161-166.
Article
PubMed
PubMed Central
Google Scholar
Lynch JW, Smith GD, Kaplan GA, House JS: Income inequality and mortality: importance to health of individual income, psychosocial environment, or material conditions. Br Med J. 2000, 320: 1200-1204. 10.1136/bmj.320.7243.1200.
Article
CAS
Google Scholar
Rock CL: Multivitamin-multimineral supplements: who uses them?. Am J Clin Nutr. 2007, 85: 277s-279s.
CAS
PubMed
Google Scholar
Vatanparast H, Calvo MS, Green TJ, Whiting SJ: Despite mandatory fortification of staple foods, vitamin D intakes of Canadian children and adults are inadequate. J Steroid Biochem Mol Biol. 2010, 121: 301-303. 10.1016/j.jsbmb.2010.03.079.
Article
CAS
PubMed
Google Scholar