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

Table 4 Reliability outcomes of the Persian JRPD questionnaire at a 95% confidence interval (N = 198)

Items	Mean (SD)	*Sig	Cronbach’s Alpha Coefficient	ICC _3,1 (upper band–lower band)	SEM	MDC
38	56 (17.02)	< 0.001	0.91	0.80 (0.73–0.84)	7.91	21.32

Abbreviations: JRPD job requirements and physical demands, SD standard deviation, Sig significance, ICC intraclass correlation coefficient, SEM standard error measurement, MDC minimal detectable change. Bolded value presents significant difference (*p < 0.05)

ISSN: 1471-2474