“Percentage of Adults Aged 65 and Over With Osteoporosis or Low Bone Mass at the Femur Neck or Lumbar Spine: United States, 2005–2010,” by Anne C. Looker and Steven M. Frenk (Health E-Stat, August 2015, .pdf format, 6p.).
www.cdc.gov/nchs/data/hestat/osteoporsis/osteoporosis2005_2010.htm