title: Bone health: osteoporosis, calcium and vitamin D.
abstract: BACKGROUND
  Osteoporosis is a bone disease that predisposes to fractures. Sufficient intake of calcium and vitamin D is recommended for prevention and treatment.
  
  
  METHODS
  Based on 28,406 respondents aged 50 or older to the 2009 Canadian Community Health Survey (CCHS)--Healthy Aging, the population who reported being diagnosed with osteoporosis is profiled. Analysis of calcium and vitamin D intake is based on 10,879 respondents aged 50 or older to the 2004 CCHS--Nutrition. Frequencies, averages and cross-tabulations were produced to estimate the prevalence of diagnosed osteoporosis, dietary intake of calcium and vitamin D, the use of supplements, and total calcium and vitamin D intake. Associations between a diagnosis of osteoporosis and socio-economic, dietary and lifestyle factors were examined with multiple logistic regression.
  
  
  RESULTS
  In 2009, 19.2% of women and 3.4% of men aged 50 or older reported having been diagnosed with osteoporosis; the 2004 rates were similar. Age, sex and household income were associated with the probability of reporting osteoporosis. In 2004, based on dietary and supplement intake, 45% to 69% of the population aged 50 or older had inadequate intake of calcium, and 54% to 66% had inadequate intake of vitamin D.
  
  
  CONCLUSIONS
  A large percentage of people aged 50 or older, particularly women, have osteoporosis. The prevalence of inadequate intake of calcium and vitamin D is relatively high.
authors: Health Analysis Division, Statistics Canada, Ottawa, Ontario, K1A 0T6. didier.garriguet@statcan.gc.ca
authors: Didier
authors: D
authors: Garriguet
mesh_terms: D000367:Age Factors; D000368:Aged; D002118:Calcium / Q000008:administration & dosage*; D002170:Canada / Q000453:epidemiology; D019587:Dietary Supplements; D005260:Female; D015438:Health Behavior; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000453:epidemiology* / Q000517:prevention & control*; D015995:Prevalence; D012737:Sex Factors; D012959:Socioeconomic Factors; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins; D002118:Calcium