A screening tool for non-specific low back pain with disability in office workers: a 1-year prospective cohort study

Table 3 A screening tool for non-specific low back pain with disability in office workers

Factors	β Coefficient	Risk score^a
History of low back pain
Yes	1.67	21
No		0
Psychological demand
Scores derived from the psychological demand section of the Job Content Questionnaire^b (Score ranges from 12 to 48)	0.078	X
Total score	21 + X

^aβ Coefficient of psychological demand was assigned a score of 1 and then the other β Coefficient was divided by 0.078 and rounded off to the nearest integer
^bThe Job Content Questionnaire comprises 54 items that address the following six areas: psychological demand (12 items), decision latitude (11 items), social support (8 items), physical demand (6 items), job security (5 items), and hazards at work (12 items). Each item has a four-point Likert response scale ranging from 1, strongly disagree, to 4, strongly agree

ISSN: 1471-2474