Table 4 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 trial number. Mean incidence, χ2 test of association, and p value are also provided. No significant effect of trial number was found.
Trial | SUDS | SSQ:Nausea | SSQ:Oculomotor | SSQ:Disorientation | SSQ:Total |
|---|---|---|---|---|---|
0 (initial) | 4 | 7 | 11 | 0 | 11 |
1 | 17 | 6 | 15 | 2 | 15 |
2 | 24 | 9 | 24 | 11 | 31 |
3 | 28 | 13 | 28 | 2 | 30 |
4 | 30 | 13 | 31 | 6 | 33 |
5 | 26 | 15 | 35 | 6 | 37 |
6 | 30 | 15 | 39 | 7 | 41 |
7 | 32 | 15 | 38 | 8 | 40 |
8 | 34 | 17 | 40 | 8 | 40 |
Mean | 25 | 12 | 29 | 5 | 31 |
χ2 | 15.0 | 5.2 | 16.0 | 8.0 | 16.2 |
p-value | .06 | .73 | .04 | .43 | .04 |