Job requirements and physical demands (JRPD) questionnaire: cross-cultural adaptation and psychometric evaluation in Iranian Army personnel with chronic low back pain

Table 3 Correlation of the Persian JRPD total score with other scales (N = 198)

Variable	Spearman	*p-value
VAS	0.27	< 0.001
SF-12
PF₁	- 0.35	< 0.001
PF₂	- 0.27	< 0.001
GHQ-28 (N = 151)
Total score	0.31	< 0.001
Somatic symptoms (1–7 items total score)	0.22	0.007
Anxiety/insomnia (8–14 items total score)	0.33	< 0.001
Social dysfunction (15–21 items total score)	0.28	< 0.001
Severe depression (22–28 items total score)	0.21	0.009
Borg’s CR10 scale	0.19	0.006

Abbreviations: JRPD job requirements and physical demands, VAS visual analog scale, SF-12 standard short form health survey, PF₁ physical functioning-1 (limitations in moderate physical activities), PF₂ physical functioning-2 (limitations in climbing several flights of stairs), GHQ general health questionnaire. Bolded values present significant difference (*p < 0.01)

ISSN: 1471-2474