Table 1.

Outcome Variables and Methods and Schedule of the Assessments^{^a}

↵^a VAS=visual analog scale, HIT-6=Headache Impact Test (HIT-6 Scoring Interpretation Finnish Version 1.1), NDI=Neck Disability Index, FABQ=Fear-Avoidance Beliefs Questionnaire, WAI=Work Ability Index, FIS=Fatigue Impact Scale, BDI=Beck Depression Inventory, 3D=3-dimensional.