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Table 2 Consensus agreement of prognostic factors Delphi-survey

From: Consensus of potential modifiable prognostic factors for persistent pain after a first episode of nonspecific idiopathic, non-traumatic neck pain: results of nominal group and Delphi technique approach

Prognostic factors Number of participants per factor Round 1 Percentage agreement (yes) Round 1 Number of participants per factor Round 2 Percentage Agreement (yes) Round 2
Social demographic
 Gender 80 56.25%
 Age 80 65%
 Social class 80 56.25%
 Education level 80 66.25%
 Marital status 80 11.24%
Work-related factors
 Employment status 80 53.75%
Happiness in work** 80 86.25%
 Physical work 80 53.75%
Symptoms
 Pain intensity at baseline** 80 65% 87.50%
Duration of the neck pain* 80 72.50%
Disturbed sleep due to neck pain 80 60%
Reported pain in different body regions* 80 78.75%
 High severity of disability 80 51.25%
 High severity of experienced disability** 80 65% 48 91.67%
 Cervical mobility 80 12.50%
 Thoracic mobility 80 10%
 Cervical motor control 80 25%
 Posture 80 13.75%
 Radiating pain below elbow 80 30%
 Accompanying headache 80 36.25%
 Dizziness 80 18.75%
 Pressure sensitivity neck musculature 80 25%
Prior conditions
Neck pain before** 70 92.86%
History of musculoskeletal pain* 70 72.86%
General factors
Physical inactivity** 71 90.14%
Unhealthy lifestyle (smoking, alcohol, eating etc.)* 71 76.06%
Sleep quality* 71 73.24%
Cognition
 Somatization** 74 62.16% 48 89.58%
Catastrophizing** 74 87.84%
 Locus of control 74 59.46%
 Acceptance of illness 74 52.70%
Illness beliefs about recovery** 74 83.78%
Treatment beliefs* 74 70.27%
Emotions
Depression** 72 87.50%
Kinesiophobia** 72 86.11%
Distress* 72 72.22%
 Anger 72 43.06%
 Injustice 72 40.28%
Behavior
Coping** 70 95.71%
Perceptions
Illness beliefs about pain identity** 56 89.29%
Hypervigilance * 56 76.79%
Motivation
Purposeful behavior** 32 90.63%
Vulnerability
 Limited health literacy ** 62 62.90% 48 87.50%
 Limited self-regulation 62 50%
Limited self-efficacy** 62 88.71%
Remaining factors
Health care provider attitude (biomedical/biopsychosocial)** 65 90.77%
Therapeutic relation** 65 84.62%
Additional factors round 2
 Orofacial pain 40 65%
 Potential to self-modify posture** 40 82.50%
  1. Factors with an agreement > 70% shown in bold (* > 70% agreement. ** > 80% agreement). Factors shown in italics were found not unambiguous and were asked to clarify in the second-round questionnaire