. 2021 Apr 30;3(18):383–389. doi: 10.46234/ccdcw2021.104

Table 3. Analysis of pain scores of WMSDs with different demographic characteristics in China, 2018–2020.

Characteristic	Neck		Shoulders		Upper back		Lower back		Elbows		Wrists/Hands		Hips/Thighs		Knees		Ankles/Feet
Characteristic	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*	M (Q10, Q90)	*Z/χ²*
Abbreviations: WMSDs=work-related musculoskeletal disorders; BMI=body mass index. ^* P<0.05. ^** P<0.01.
Gender
Male	0(0, 6)	−40.5^**	0(0, 6)	−37.8^**	0(0, 5)	−16.9^**	0(0, 6)	−15.8^**	0(0, 2)	−0.7	0(0, 5)	−6.0^**	0(0, 5)	−10.6^**	0(0, 5)	−9.1	0(0, 6)	−10.9^**
Female	3(0, 7)	−40.5^**	0(0, 6)	−37.8^**	0(0, 6)	−16.9^**	0(0, 6)	−15.8^**	0(0, 3)	−0.7	0(0, 5)	−6.0^**	0(0, 5)	−10.6^**	0(0, 5)	−9.1	0(0, 5)	−10.9^**
Age (years)
<25	0(0, 6)	888.4^**	0(0, 5)	619.5^**	0(0, 5)	287.3^**	0(0, 5)	684.8^**	0(0, 0)	97.7^**	0(0, 5)	38.3^**	0(0, 4)	152.5^**	0(0, 4)	182.4^**	0(0, 6)	262.3^**
25−	0(0, 6)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 2)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 6)
35−	0(0, 6)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 4)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 5)
45−	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 5)		0(0, 4)		0(0, 5)		0(0, 4)		0(0, 5)		0(0, 4)
55−	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 5)		0(0, 1)		0(0, 4)		0(0, 4)		0(0, 5)		0(0, 4)
Working age (years)
<2	0(0, 6)	1740.3^**	0(0, 5)	1225.6^**	0(0, 5)	667.1^**	0(0, 5)	1300.8^**	0(0, 0)	86.9^**	0(0, 5)	36.5^**	0(0, 4)	343.5^**	0(0, 4)	664.9^**	0(0, 5)	102.2^**
2−	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 6)		0(0, 3)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 5)
4−	0(0, 6)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 2)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 5)
6−	0(0, 7)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 3)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 6)
8−	2(0, 7)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 4)		0(0, 5)		0(0, 5)		0(0, 6)		0(0, 6)
BMI
<18.5	0(0, 6)	6.4^*	0(0, 6)	10.3^**	0(0, 5)	15.5^*	0(0, 6)	76.6^**	0(0, 1)	8.4	0(0, 5)	2.5	0(0, 5)	3.6	0(0, 5)	49.2^**	0(0, 5)	49.7^**
18.5−	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 6)		0(0, 3)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 5)
25−	0(0, 6)		0(0, 6)		0(0, 6		0(0, 6)		0(0, 3)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 6)
Smoking
No	0(0, 6)	421.9^**	0(0, 6)	327.2^**	0(0, 5)	102.3^**	0(0, 6)	214.1^**	0(0, 2)	38.3^**	0(0, 5)	53.0^**	0(0, 5)	62.9^**	0(0, 5)	104.9^**	0(0, 5)	268.6^**
Occasionally	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 5)		0(0, 2)		0(0, 5)		0(0, 4)		0(0, 5)		0(0, 5)
Frequently	0(0, 6)		0(0, 6)		0(0, 6)		0(0, 6)		0(0, 4)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 6)
Sporting
No	0(0, 7)	26.6^**	0(0, 6)	39.8^**	0(0, 6)	56.7^**	0(0, 6)	128.5^**	0(0, 3)	10.9^**	0(0, 5)	84.4^**	0(0, 5)	41.5^**	0(0, 5)	28.4^**	0(0, 6)	72.0^**
Occasionally	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 6)		0(0, 2)		0(0, 5)		0(0, 5)		0(0, 5)		0(0, 5)
Frequently	0(0, 6)		0(0, 6)		0(0, 5)		0(0, 6)		0(0, 1)		0(0, 5)		0(0, 4)		0(0, 5)		0(0, 5)