TABLE 4.

The Association Between Neck/Shoulder Pain and Working Conditions in the WFH Setup

	Pain Free (n = 1156)	Mild Neck/Shoulder Pain (n = 2077)				Severe Neck/Shoulder Pain (n = 879)
	%	%	OR	95% CI	P	%	OR	95% CI	P
Sex
Male	65.6	40.5	1.00			37.5	1.00
Female	34.4	59.5	3.11	2.62–3.69	<0.001***	62.5	4.47	3.62–5.51	<0.001***
Age, y
<40	25.2	27.4	1.00			25.0	1.00
≥40, <50	38.4	39.0	0.94	0.78–1.14	0.554	40.0	1.00	0.79–1.27	0.999
≥50	36.4	33.6	1.08	0.88–1.31	0.480	34.9	1.19	0.93–1.53	0.158
Working time, h/d
≤7	25.9	27.0	1.00			20.7	1.00
>7, ≤8	32.3	31.9	1.23	1.00–1.50	0.046*	28.6	1.51	1.17–1.95	0.002**
>8, ≤9	19.7	21.0	1.56	1.24–1.97	<0.001***	21.8	2.33	1.75–3.10	<0.001***
>9	22.1	20.1	1.56	1.24–1.98	<0.001***	28.9	3.40	2.56–4.52	<0.001***
Desks
Work desk/PC desk	69.8	61.1	1.00			59.4	1.00
Dining table	14.1	20.1	1.11	0.86–1.44	0.416	20.8	1.28	0.94–1.74	0.116
Low table	11.4	13.7	0.74	0.49–1.13	0.163	13.1	0.89	0.53–1.48	0.648
Other tables	4.7	5.1	1.15	0.80–1.65	0.466	6.7	1.60	1.05–2.44	0.029*
Chair
Work chair	62.7	52.8	1.00			53.2	1.00
Dining chair	16.3	23.1	1.33	1.04–1.69	0.023*	22.9	1.16	0.87–1.56	0.313
Sofa	1.5	2.8	1.89	1.05–3.41	0.034*	2.4	1.31	0.65–2.64	0.452
Floor chair	5.5	5.5	1.49	0.92–2.40	0.104	5.9	1.46	0.82–2.62	0.201
Floor cushion	4.1	7.2	2.23	1.33–3.74	0.002**	5.8	1.53	0.82–2.88	0.182
Other chairs	9.9	8.6	0.95	0.71–1.26	0.706	9.8	0.95	0.67–1.33	0.767
Computer
Desktop computer	24.5	23.6	1.00			22.1	1.00
Laptop computer	48.4	50.0	1.11	0.92–1.35	0.268	52.1	1.21	0.96–1.53	0.114
Laptop computer with additional monitor	23.6	24.0	1.15	0.93–1.43	0.198	23.9	1.18	0.91–1.55	0.215
Other computers	3.5	2.4	0.80	0.51–1.27	0.341	1.9	0.75	0.41–1.40	0.369

*P < 0.05; **P < 0.01; ***P < 0.001.