Table 2.

Correlation between the level of pain in individual sections of the spine and the level of knowledge about work ergonomics in the study group with obesity, 2018–2019, Medical University of Lodz, Łódź, Poland

Spinal segment	Pain vs. work ergonomics knowledge correlation
	all participants		length of service
			<1.5 year		>1.5 year
	ρ	p	ρ	p	ρ	p
Cervical	0.05	0.737	0.16	0.420	−0.13	0.545
Thoracic	−0.15	0.284	−0.23	0.256	0.01	0.954
Lumbar	0.01	0.937	−0.12	0.552	0.16	0.442
Sacral	0.27	0.056	0.32	0.111	0.07	0.729

ρ – Spearman's correlation coefficient.

The p-value <0.05 is statistically significant.