Table 3.

Prevalence (95% CI) and odds ratios of falling (95% CI) by time to failure on Test Condition 4, NHANES 2001–2004^a

Time to failureb	History of fallsc
(seconds)	% (95% CI)	OR (95% CI)
30	2.0 (1.2, 2.9)	1.0
20–29	4.1 (0.0, 9.5)	2.0 (0.5, 8.3)
10–19	6.7 (3.8, 9.7)	3.4 (1.9, 6.4)
< 10	7.0 (5.6, 8.4)	3.6 (2.4, 5.4)

CI: confidence interval; OR: odds ratio

^aN=6785, sample weights applied

^bTime to failure (in seconds) of Test Condition 4 of the modified Romberg test

^cParticipants reported falling in the past 12 months; 10 participants had missing data