Table 6. Measurement invariance of the LBP-TBQ for each treatment Treatment Nerve Sciatica Pain Treatment Time (1st compression (present or duration experience or 2nd (present or absent) (<3yrs or (present or survey) absent) 3 yrs) absent) ≥ Medication None Scalar Scalar NAa Scalar Exercise Scalar Scalar Scalar Metric Scalar Manual Metric Metric Scalar NAa Scalar therapy Acupuncture Scalar None Scalar None Scalar a NA = data not available due to low numbers of treatment naive patients. Table 7. 4-item LBP-TBQ Scale and Item Homogeneity Content H (SE) Pain Exercise Manual Acupuncture medication therapy form 0.43 (0.04) 0.58 0.66 0.61 (0.03) (0.04) (0.03) Taking/Having […] for back 0.48 (0.04) 0.62 0.69 0.64 (0.04) pain makes a lot of sense (0.04) (0.03) I think […] is pretty useless for 0.39 (0.04) 0.53 0. 64 0. 61 (0.04) people with back pain (r) (0.05) (0.04) I have concerns 0.37 (0.04) 0.56 0.63 0.56 (0.04) taking/having […] for my back (0.04) (0.03) pain (r) I am confident […] would be a 0.49 (0.04) 0.62 0.68 0.64 (0.03) suitable treatment for my back (0.04) (0.03) pain
Table 6. Measurement invariance of the LBP-TBQ for each treatment Treatment Nerve compression (present or absent) Sciatica (present or absent) Pain duration (<3yrs or ≥ 3 yrs) Treatment experience (present or absent) Time (1st or 2nd survey) Medication None Scalar Scalar NAa Scalar Exercise Scalar Scalar Scalar Metric Scalar Manual therapy Metric Metric Scalar NAa Scalar Acupuncture Scalar None Scalar None Scalar a NA = data not available due to low numbers of treatment naive patients. Table 7. 4-item LBP-TBQ Scale and Item Homogeneity Content H (SE) Pain medication Exercise Manual therapy Acupuncture form 0.43 (0.04) 0.58 (0.04) 0.66 (0.03) 0.61 (0.03) Taking/Having […] for back pain makes a lot of sense 0.48 (0.04) 0.62 (0.04) 0.69 (0.03) 0.64 (0.04) I think […] is pretty useless for people with back pain (r) 0.39 (0.04) 0.53 (0.05) 0. 64 (0.04) 0. 61 (0.04) I have concerns taking/having […] for my back pain (r) 0.37 (0.04) 0.56 (0.04) 0.63 (0.03) 0.56 (0.04) I am confident […] would be a suitable treatment for my back pain 0.49 (0.04) 0.62 (0.04) 0.68 (0.03) 0.64 (0.03)