Table 1.
Differences in angle and distance between the VRa and offline trialsb.
| Types of behavior and parameters | VR trial, mean (SD) | Offline trial, mean (SD) | Statistics | |||
| Total behavior | ||||||
|
|
Angle total (°) | 1359.39 (125.55) | 1200.26 (195.68) | z=−2.31; P=.02 | ||
|
|
Length total (cm) | 2568.20 (342.38) | 2250.82 (382.20) | z=−2.78; P=.005 | ||
|
|
Calorie total (kcal) | 9.36 (2.60) | 5.79 (3.01) | z=−3.04; P=.002 | ||
| Simple behavior (trunk leaning over) | ||||||
|
|
Angle total (°) | 172.30 (19.2) | 147.8 (27.64) | z=−2.74; P=.005 | ||
|
|
Length total (cm) | 224.93 (34.3) | 197.70 (31.9) | z=−2.53; P=.01 | ||
|
|
Calorie total (kcal) | 2.46 (0.55) | 1.18 (0.69) | z=−4.30; P<.001 | ||
| 2 complex behaviors (trunk leaning over + lifting arm or leg) | ||||||
|
|
Angle total (°) | 449.26 (118.57) | 415.87 (69.17) | z=−1.14; P=.27 | ||
|
|
Length total (cm) | 966.09 (118.57) | 860.06 (107.01) | z=−3.10; P=.001 | ||
|
|
Calorie total (kcal) | 4.42 (1.35) | 2.95 (1.58) | z=−2.55; P=.01 | ||
| 3 complex behaviors (trunk leaning over + lifting arm + lifting leg) | ||||||
|
|
Angle total (°) | 737 .83 (63.61) | 636.55 (112.77) | z=−2.72; P=.006 | ||
|
|
Length total (cm) | 1377.18 (202.88) | 1193.05 (125.55) | z=−2.69; P=.006 | ||
|
|
Calorie total (kcal) | 2.47 (0.86) | 1.65 (0.97) | z=−2.63; P=.009 | ||
aVR: virtual reality.
bP<.02 was considered to be significant.