Table 1 Outcome measures, scale details and data collected by time-point
Outcome measure | Scale details | Measurement time-points |
|---|---|---|
Demographic data on gender, marital status, ethnicity, locations of chronic pain using pain drawing, duration of chronic pain symptoms, concomitant health symptoms, highest level of education, length of time out of work, and length of time looking for work | Categorical/quasi-continuous | Baseline |
EQ-5D-5L [43] | 0 to 1, where higher scores indicate greater health | Baseline, six-weeks, 14-weeks, six-months |
Hospital and Anxiety Depression Scale (HADS )[44] | 0 to 21 on each scale, where higher scores indicate greater anxiety or depression | Baseline, six-weeks, 14-weeks, six-months |
Confidence in working | 11-point numerical rating scale (NRS), where higher scores indicate greater confidence | Baseline, six- weeks, 14-weeks, six-months |
Work ability [45] | 11-point NRS, where higher scores indicate greater perceived work ability | Baseline, six-weeks, 14-weeks, six-months |
Current pain intensity [46] | 11-point NRS, where higher scores indicate greater pain intensity | Baseline, six-weeks, 14-weeks, six-months |
Pain intensity over past week [46] | 11-point NRS, where higher scores indicate greater pain intensity | Baseline, six-weeks, 14-weeks, six-months |
The Warwick-Edinburgh Mental Wellbeing Scale (WEMWBS) [47, 48] | 14 to 70, where higher scores indicate greater well-being | Baseline, six-weeks, 14-weeks, six-months |
PROMIS short-form questionnaire for fatigue (8a) [49] | 8 to 40, where higher scores indicate greater fatigue | Baseline, six-weeks, 14-weeks, six-months |
PROMIS short-form questionnaires for pain interference (8a) [50] | 6 to 30, where higher scores indicate greater pain interference | Baseline, six-weeks, 14-weeks, six-months |
Satisfaction with placement | A 5-item scale from ‘very dissatisfied’ to ‘very satisfied’ | Six-weeks (and 14-weeks/six-months if job offer accepted) |
0 to 100, where higher scores indicate better work functioning | Six-weeks (and 14-weeks/six-months if job offer accepted) | |
Psychosocial Aspects of Work (PAW) [52] | Job satisfaction, 7 to 35; social support, 4 to 20; mental stress, 4 to 20; where higher scores indicate greater domain perceptions | Six-weeks (and 14-weeks/six-months if job offer accepted) |
2 to 10, where higher scores indicate greater self-efficacy | Six-weeks (and 14-weeks/six-months if job offer accepted) | |
Pain interference | A 5-item scale from ‘not at all’ to ‘extremely’ | Six-weeks (and 14-weeks/six-months if job offer accepted) |
Whether work makes pain worse | A 5-item scale from ‘not at all’ to ‘extremely’ | Six-weeks (and 14-weeks/six-months if job offer accepted) |
Job offers | Number of job offers (from any source) | 14-weeks and six-months |
Details of accepted job offers | Number of job offers accepted, job title of accepted offer, start date, and work pattern | 14-weeks and six-months |
Adverse events, serious adverse events | Case report details | Point of occurrence |
Healthcare referrals | Case report details | Point of occurrence |