Systematically Controlling for the Influence of Age, Sex, Hertz and Time Post-Whole-Body Vibration Exposure on Four Measures of Physical Performance in Community-Dwelling Older Adults: A Randomized Cross-Over Study

Table 1

Means, standard errors and 95% confidence intervals for 4 outcome measures in 32 community-dwelling older adults (mean age 72).

Test	Hz	Mean	Std. error	95% confidence interval
				Lower bound	Upper bound
TGUG (sec)	2*; 26	8.502; 8.404	0.172; 0.250	8.161; 7.908	8.843; 8.900
CSR left (cm)	2*; 26	−0.274; 0.139	0.310; 0.319	−0.889; −0.494	0.340; 0.771
CSR right (cm)	2**; 26	−0.097; 0.066	0.303; 0.305	−0.697; −0.538	0.502; 0.669
CMJ (in)	2; 26	8.919; 9.295	0.193; 0.188	8.538; 8.922	9.300; 9.667
OLST left (sec)	2; 26	5.280; 6.566	0.609; 0.832	4.075; 4.917	6.486; 8.214
OLST right (sec)	2; 26	7.066; 6.595	0.944; 0.882	5.197; 4.847	8.934; 8.342

Abbreviations: TGUG, timed get up and go; CSR, chair sit and reach, CMJ, counter movement jump; OLST, one-legged stance test. *Means are significantly different (𝑃≤0.01). **Means are significantly different (𝑃≤0.05).