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. Author manuscript; available in PMC: 2015 Jan 23.
Published in final edited form as: Am J Phys Med Rehabil. 2014 May;93(5):396–404. doi: 10.1097/PHM.0000000000000034

Table 4. Self-report vs. observed ability to walk 400 m at 3 yrs.

Self-report
Observed No Yes Total
No 74 (11.5%) 144 (22.4%) 218 (33.9%)
Yes 27 (4.2%) 399 (62.0%) 426 (66.2%)
Total 101 (15.7%) 543 (84.3%) 644 (100%)
a

κ = 0.32, P < 0.001.