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. Author manuscript; available in PMC: 2014 Dec 16.
Published in final edited form as: J Hum Cap. 2013 Apr 1;2013:45. doi: 10.2139/ssrn.2339225

Table A1.

Changes in cognition over time

Mean SD Pct
Normal to Normal −0.224 3.243 69.56
Normal to CIND −5.008 2.747 8.27
Normal to Dementia −10.566 3.927 1.01
CIND to Normal 4.670 2.602 6.01
CIND to CIND −0.136 1.783 6.85
CIND to Dementia −4.327 2.124 2.23
Dementia to Normal 8.864 2.668 0.37
Dementia to CIND 3.697 1.842 1.29
Dementia to Dementia −0.209 1.440 4.41
Total −0.431 3.772 100.00
N 103426

All HRS respondents included, regardless of coupleness status, to validate that cognition tends to decline with age for all individuals.