Table 3

Incidence of non-zero responses for the self-reported Subjective Units of Discomfort SUDS) and Simulator Sickness Questionnaire (SSQ) subscales and total score, as a function of visit number. Mean incidence, χ2 test of association, and p value are also provided. * indicates significant effect of visit number.
Visit
 SUDS
 SSQ:Nausea
 SSQ:Oculomotor
 SSQ:Disorientation
 SSQ:Total
1
 35
 27
 56
 9
 56
2
 38
 11
 33
 0
 33
3
 22
 11
 26
 5
 28
4
 25
 16
 19
 10
 26
5
 19
 0
 26
 1
 27
6
 10
 8
 14
 8
 14
Mean
 25
 12
 29
 5
 31
χ2
 17.9
 25.2
 30.7
 10.1
 25.3
p-value
 .003*
 <.001*
 <.001*
 .072
 <.001*

Sparto et al. Journal of NeuroEngineering and Rehabilitation 2004 1:14   doi:10.1186/1743-0003-1-14