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Mobility device – 50 percent increased use (perhaps decreased vitamin D levels) - May 2015

 

“An age-adjusted comparison of results from the 1980 and 1990 National Health Interview Survey (NHIS) found a

  • 26% increase in the use of canes, a
  • 57% increase in the use of walkers, and a
  • 65% increase in the use of wheelchairs at all ages”

Possible reasons include

  • Recognition of need to keep moving
  • More socially acceptable to use a mobility device
  • More easily used now – change of environment
  • Seniors living longer with a disability
  • Seniors have become more aware of the risk of falling
  • Seniors have become more vitamin D deficient

Note:

  • Device use higher among blacks, Hispanics, and Obese
    (all of whom have low vitamin D levels)
  • Seniors who use a mobility device appeared no more likely to fall than seniors who did not.
  • Some previous studies have suggested that devices may actually contribute to falls.
VitaminDWiki
  1. Senior skin produces 3X less Vitamin D for the same sun intensity
  2. Seniors have fewer vitamin D receptors as they age
    (The effect of low Vitamin D receptor genes does not show up on vitamin D test results)
  3. Seniors are indoors more than when when they were younger
    not as agile, weaker muscles; frail, no longer enjoy hot temperatures
    (if outside, stay in the shade), however, seniors might start outdoor activities like gardening, biking, etc.
  4. Seniors wear more clothing outdoors than when younger
    fear skin cancer/wrinkles, sometimes avoid bright light after cataract surgery
  5. Seniors often take various drugs which reduce vitamin D (some would not show up on vitamin D test) statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc
  6. Seniors often have one or more diseases which consume vitamin D ( osteoporosis, diabetes, MS, ...)
  7. Seniors generally put on weight at they age - and a heavier body requires more vitamin D
  8. Seniors often (40%) have fatty livers – which do not process vitamin D as well
  9. Seniors not have as much Magnesium needed to use vitamin D
    (would not show up on vitamin D test)
  10. Seniors with poorly functioning kidneys do not process vitamin D as well
    (would not show up on vitamin D test) 2009 full text online  Also PDF 2009
  11. Vitamin D is not as bioavailable in senior digestive systems (Stomach acid or intestines?)


Journal of the American Geriatrics Society. DOI: 10.1111/jgs.13393
Nancy M. Gell PhD, MPH1,*, Robert B. Wallace MD, MSc2, Andrea Z. LaCroix PhD3, Tracy M. Mroz PhD4 andKushang V. Patel PhD, MPH5

Objectives: To examine the prevalence of mobility device use in community-dwelling older adults in the United States and to investigate the incidence of falls and worry about falling according to type and number of mobility devices used.

Design: Analysis of cross-sectional and longitudinal data from the 2011–12 National Health and Aging Trends Study.

Setting: In-person interviews in the homes of study participants.

Participants: Nationally representative sample of Medicare beneficiaries (n = 7,609).

Measurements: Participants were asked about mobility device use (e.g., canes, walkers, wheelchairs and scooters) in the last month, 1-year fall history and worry about falling.

Results: Twenty-four percent of adults aged 65 and older reported mobility device use in 2011, and 9.3% reported using multiple devices within the last month. Mobility device use increased with advancing age and was associated with nonwhite race and ethnicity, female sex, lower education level, greater multimorbidity, and obesity (all P < .001). Adjusting for demographic and health characteristics and physical function, the incidence of falls and recurrent falls was not associated with the use of multiple devices or any particular type of mobility device. Activity-limiting worry about falling was significantly higher in cane-only users than in nonusers.

Conclusion: The percentage of older adults reporting mobility device use is higher than results from previous national surveys, and multiple device use is common in those who use any device. Mobility device use is not associated with greater incidence of falls. Cane-only users may compensate for worry about falling by limiting activity.
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 Download the PDF from VitaminDWiki

Attached files

ID Name Comment Uploaded Size Downloads
5435 Mobility device men.jpg admin 06 May, 2015 21:45 30.84 Kb 350
5434 Mobility Device women.jpg admin 06 May, 2015 21:45 32.92 Kb 334
5433 Gell_et_al-2015-Journal_of_the_American_Geriatrics_Society.pdf PDF 2015 admin 06 May, 2015 21:44 263.02 Kb 768
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