Table 1.
Overview of the questionnaires used in the study.
| Outcome | At assessment visits | Daily | |||||
|
|
T1a | T2b | T3c | T4d | Morning | Evening | |
| Demographic data | ✓ |
|
|
|
|
|
|
| History of LBPe | ✓ |
|
|
|
|
|
|
| Pain intensity: NRSf | ✓ | ✓ | ✓ | ✓ |
|
|
|
| Disability: RMDQg | ✓ | ✓ | ✓ | ✓ |
|
|
|
| Quality of life: WHOQOL-BREFh | ✓ | ✓ | ✓ | ✓ |
|
|
|
| Fear of movement: TSK-11i | ✓ | ✓ | ✓ | ✓ |
|
|
|
| Movement-specific fear ratings | ✓ | ✓ | ✓ | ✓ |
|
|
|
| Depression: PHQ-9j | ✓ | ✓ | ✓ |
|
|
|
|
| Self-efficacy chronic disease: SES6k | ✓ | ✓ | ✓ | ✓ |
|
|
|
| General self-efficacy: GSESl | ✓ |
|
|
|
|
|
|
| Personality dimensions: BFI-10m | ✓ |
|
|
|
|
|
|
| Amount of sleep |
|
|
|
|
✓ |
|
|
| Sleepiness: KSSn |
|
|
|
|
✓ |
|
|
| Physical activity: adapted from IPAQo |
|
|
|
|
|
✓ | |
| Pain intensity |
|
|
|
|
|
✓ | |
aT1: Assessment Time 1.
bT2: Assessment Time 2.
cT3: Assessment Time 3.
dT4: Assessment Time 4.
eLBP: low back pain.
fNRS: numeric rating scale.
gRMDQ: Roland Morris Disability Questionnaire.
hWHOQOL-BREF: World Health Organization Quality of Life-short version.
iTSK-11: Tampa Scale of Kinesiophobia-11.
jPHQ-9: Patient Health Questionnaire-9.
kSES6: Self-Efficacy for Managing Chronic Disease 6-Item Scale.
lGSES: General Self-Efficacy Scale.
mBFI-10: Big Five Inventory-10.
nKSS: Karolinska Sleepiness Scale.
oIPAQ: International Physical Activity Questionnaire.