Table 1

Data extraction and evaluation

Characteristics of the studiesSample characteristicsCharacteristics of CNMPCharacteristics of interventionsCharacteristics of comparatorCharacteristics of follow-upOutcomesQuality assessment
Authors’ namesMean ageDiagnosis/pain conditionsTypeTypeDurationPrimary
outcome: RTW
High risk of bias
Year of publicationGender %Diagnostic criteria (IASP, clinical, ICD-10 or ICD-11, etcDetailingDoseDetailingType of outcome measurements (self-reported/records)Some concerns
CountryDuration of CNMPIntervention classes (eg, psychological, work-related interventions)DurationThe scale used to define or measure RTW/records usedLow risk of bias
Randomised controlled trial (RCT) design
Parallel-randomised or a cluster-randomised design
Duration of work absence due to CNMPDoseFormatSecondary
outcomes: workability or work capacity, or physical functioning and quality of life
Sample sizeDurationType of outcome measurements (self-reported)
Mental disorder comorbidityFormatThe scale used to measure secondary outcomes
  • CNMP, chronic non-malignant pain; IASP, International Association for the Study of Pain; ICD, International Classification of Diseases; RTW, return to work.