Table 2. Characteristics of the subjects at each workstation.

Workstation	Age (years)		Body Weight (kg)		Body Height (cm)		n
	M	SD	M	SD	M	SD
Manual assembly	34.00	5.95	60.14	9.16	165.36	5.87	15	F
Programming option 1	32.81	8.52	64.49	13.26	165.04	7.07	13	F
Controller	27.86	7.95	62.31	12.35	165.02	9.43	52	F
Scanning	32.64	6.38	62.54	8.92	165.63	5.24	47	F
Final check	34.18	9.09	68.51	12.08	168.49	9.14	49	F
Packing	36.19	7.57	62.96	9.62	164.56	5.58	55	F
Circuit board operator	33.92	7.69	66.84	12.41	168.13	8.27	56	F
Circuit board assembly	33.79	6.33	63.21	12.11	166.84	8.30	20	F
Socket assembly 1	35.24	7.80	64.52	11.93	163.00	5.09	58	F
Electric socket assembly	41.39	8.55	61.86	10.81	161.39	5.84	37	F
Socket assembly 2	33.04	8.43	62.33	12.29	163.67	7.57	27	F
Sewing − leather	33.95	7.21	61.62	13.08	169.38	10.7	61	F
Sewing headrest	35.45	7.38	66.14	9.91	167.63	6.32	57	F
Sewing armchair backrest	38.81	9.52	67.49	14.26	170.04	9.07	65	F
Sewing car seat	37.79	9.33	69.21	9.11	169.74	9.30	41	F
Checking appearance	28.57	8.01	60.86	11.55	165.31	8.15	37	F
Checking appearance	25.95	8.07	76.78	18.92	176.96	6.99	23	M
Unpacking circuit board	28.84	8.42	57.80	10.46	164.95	5.97	21	F
Unpacking circuit board	28.09	7.99	81.07	9.26	180.93	7.38	14	M
Programming option 2	36.32	8.96	62.90	10.45	165.57	5.80	29	F
Programming option 2	31.10	9.29	72.62	7.58	177.25	6.30	10	M
Preliminary sewing	42.23	10.54	61.96	9.78	164.33	5.71	39	F
Preliminary sewing	40.08	9.32	72.28	12.56	172.39	9.92	7	M
Packing TVs	32.09	8.11	61.88	9.59	165.54	6.38	34	F
Packing TVs	29.70	8.27	76.03	12.47	175.70	7.80	30	M
Welder	39.42	6.31	86.53	18.12	178.63	9.24	11	M
Ironworker	47.42	8.75	91.54	14.51	182.64	11.43	34	M

M: mean, SD: standard deviation