Measurement of Bed Turning and Comparison with Age, Gender, and Body Mass Index in a Healthy Population: Application of a Novel Mobility Detection System
Table 4
Association between BMI and turning ability of healthy volunteers.
BMI < 27 kg/m2
BMI ≥ 27 kg/m2
Mean ± SD
Mean ± SD
value†
Turn time (sec)
440
140
0.782
TL (cm)
440
140
0.203
Turn speed (cm/sec)
440
140
0.292
Turn peak time (ds)
440
140
0.802
Turn force (kg·m/s²)
440
140
0.007*
Back time (sec)
440
140
0.160
BL (cm)
440
140
0.202
Back speed (cm/sec)
440
140
0.366
Back peak time (ds)
440
140
0.161
Back force (kg·m/s²)
440
140
0.007*
Turn-weight ratio
440
140
0.077
Back-weight ratio
440
140
0.096
Numbers of measurements; †determined by repeated measures ANOVA (within-subject effect).
*: indicated statistical significance.