Assessment of Load Manual Lifting among Shelf-Stoking Workers in Chain Stores: A Cross-Sectional Study

Table 3

Comparison of the median of the variable lifting index (VLI) in workers with/without symptoms in different body regions during 12 months prior to the study (n = 101).

Body region	VLI		P value^†
	With symptom	Without symptom
	Median (IQR)	Median (IQR)
Neck	1.398 (1.237, 1.974)	1.378 (0.508, 1.724)	0.295
Shoulders	1.418 (0.923, 1.725)	1.378 (0.508, 1.724)	0.523
Elbows	1.725 (1.004, 2.379)	1.378 (0.816, 1.724)	0.243
Wrists/hands	1.398 (0.985, 1.725)	1.378 (0.508, 1.724)	0.763
Upper back	1.725 (1.172, 3.033)	1.378 (0.508, 1.721)	0.045
Lower back	0.715 (0.410, 1.725)	1.398 (1.006, 1.724)	0.161
Hips/thighs	1.571 (0.628, 1.725)	1.378 (0.852, 1.724)	0.693
Knees	1.418 (1.122, 1.725)	1.378 (0.498, 1.724)	0.228
Ankles/feet	1.375 (0.504, 1.724)	1.398 (0.923, 1.724)	0.686

Variable lifting index, Interquartile range, ^†Mann–Whitney U test.