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Table 1 Measures and instruments used

From: Effectiveness of psychotherapeutic consultation in the workplace: a controlled observational trial

Measure Instrument Range Category boundaries/interpretation Source
WAI work ability index 7–49 49–44 very good work ability 43–37 good work ability 36–28 moderate work ability 27–7 very low work ability [64]
SF-12-MCS SF-12-mental component score 0–100 to compare: normative German sample 1994: 51.2, psychosomatic inpatients 27 [44, 65]
SF-12-pcs SF-12-physical component score 0–100 to compare: normative German sample 1994: 46.3, psychosomatic inpatients 40
PHQ-9-depr patient health questionnaire depression 0–27 0 to 4 minimal symptom burden 5 to 9 mild symptom burden 10 to 14 moderate symptom burden >15 severe symptom burden [43]
PHQ-15-som patient health questionnaire somatoform symptom severity 0–30
PHQ-7-anx patient health questionnaire anxiety 0–21
ISGI irritation scale global index 8–56 no irritation 8–16 low irritation 17–26 moderate irritation 27–38 strong irritation 39–56 [46]
MBI-EE burnout-emotional exhaustion 5–30 <17.5 unremarkable >17.5 alerting >25 critical   [45]
MBI-DP burnout- depersonalisation 5–30 low scores are healthier  
MBI-PA burnout- personal accomplishment 6–36 high scores are healthier