Text Box A.
Reference test | The validity is not rejected if the strength of the relationship of SFS with | r cut-off values | |
---|---|---|---|
1 |
Lifting tests: Lifting floor to waist Lifting waist to overhead Short carry two-handed One-handed carrying right |
Functional lifting tests is moderate to high | 0.50 ≤ ≤ 0.89 |
2 | Self-reported disability (NDI) | Self-reported disability is moderate | 0.50 ≤ ≤ 0.70 |
3 | Pain now (NRS) | Pain is low or weak | 0.25 < < 0.50 |
4 | Anxiety (HADS A) | Anxiety is low or weak | 0.25 < < 0.50 |
5 | Depression (HADS D) | Depression is low or weak | 0.25 < < 0.50 |
Lifting tests include lifting floor to waist (kg), lifting waist to overhead (kg),) short carry two-handed (kg), one-handed carrying right (kg). = correlation coefficient, absolute value. The direction of the association depends on the scoring of the reference measure
NRS Numeric rating scale, NDI Neck Disability Questionnaire, HADS Hospital Anxiety Depression Scale