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Table 4 Convergent validity

From: Translation, cross-cultural adaptation and psychometric validation of the Thai version of the STarT Back Screening Tool in patients with non-specific low back pain

Questionnaires SBST-TH total score SBST-TH psychological subscore
Spearman rank correlation
(95% confidence interval)
p-value Spearman rank correlation
(95% confidence interval)
p-value
VAS pain intensity 0.45 (0.30, 0.57) <  0.001* 0.39 (0.26, 0.50) <  0.001*
RMDQ 0.56 (0.43, 0.69) <  0.001* 0.49 (0.36, 0.60) <  0.001*
FABQ total 0.42 (0.29, 0.53) <  0.001* 0.33 (0.21, 0.43) <  0.001*
FABQ-PA 0.35 (0.23, 0.45) <  0.001* 0.32 (0.20, 0.44) <  0.001*
FABQ-W 0.38 (0.26, 0.51) <  0.001* 0.29 (0.15, 0.41) <  0.001*
PCS total 0.41 (0.31, 0.55) <  0.001* 0.39 (0.26, 0.51) <  0.001*
PSC rumination 0.37 (0.24, 0.48) <  0.001* 0.35 (0.21, 0.48) <  0.001*
PSC helplessness 0.37 (0.23, 0.50) <  0.001* 0.34 (0.21, 0.47) <  0.001*
PSC Magnification 0.38 (0.25, 0.50) <  0.001* 0.35 (0.21, 0.48) <  0.001*
HADS total 0.38 (0.25, 0.50) <  0.001* 0.35 (0.22, 0.45) <  0.001*
HADS anxiety 0.34 (0.22, 0.45) <  0.001* 0.32 (0.19, 0.44) <  0.001*
HADS depression 0.32 (0.18, 0.44) <  0.001* 0.30 (0.15, 0.43) <  0.001*
EQ-5D-5L −0.52 (−0.61, −0.40) <  0.001* −0.49 (−0.60, −0.38) <  0.001*
EQ-5D VAS − 0.41 (− 0.51, − 0.30) <  0.001* −0.42 (− 0.54, − 0.29) <  0.001*
  1. SBST-TH STarT back screening tool-Thai version, VAS Visual analogue scale, RMDQ Roland-Morris disability questionnaire, FABQ Fear-avoidance beliefs questionnaire, FABQ-PA Fear-avoidance beliefs questionnaire about physical activity, FABQ-W Fear-avoidance beliefs questionnaire about work, PCS Pain catastrophising scale, HADS Hospital anxiety and depression scale, EQ-5D-5L EuroQol five-dimensional five-level questionnaire, EQ-VAS EuroQol-visual analogue scale
  2. * p < 0.05