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. 2017 Jan 5;12(1):e0169559. doi: 10.1371/journal.pone.0169559

Table 4. Latent profiles of impairment for four-class solution.

Profile label/ mnemonic N (class probability) all n = 367 (100%) “severe” (profile 1) n = 99 (27%) “mod.I-low QoL” (profile 2) n = 88 (24%) “mod.II-low WAI” (profile 3) n = 83 (23%) “at risk” (profile 4) n = 97 (26%)
measure Mean 95% CI Mean 95% CI Mean 95% CI Mean 95% CI
WAI 18.6 16.31 to 20.94 30.5 27.90 to 33.13 23.4 21.54 to 25.29 36 34.73 to 37.37
SF-12 mcs 23.7 22.25 to 25.24 25.9 22.56 to 29.15 32.2 30.27 to 34.20 44.1 41.36 to 46.80
SF-12 pcs 38.8 35.05 to 42.49 53.2 50.42 to 55.95 35.1 31.86 to 38.25 50.8 48.80 to 52.88
PHQ-9-depr 19.3 17.95 to 20.67 14.1 11.74 to 16.53 12.5 11.07 to 14.02 5.7 4.92 to 6.53
PHQ-15-so 15.6 13.89 to 17.28 9.6 8.40 to 10.90 12.6 11.34 to 13.91 6.5 5.70 to 7.39
PHQ-7-anx 15.3 14.10 to 16.57 11.7 9.75 to 13.64 9.8 8.43 to 11.23 5 4.18 to 5.91
IS-GS 43.6 41.33 to 45.91 36.6 32.60 to 40.69 32.4 29.35 to 35.45 20.6 18.13 to 23.00
MBI-EE 26.7 25.86 to 27.52 22 20.17 to 23.79 22.2 20.85 to 23.61 13.9 12.37 to 15.38
MBI-DP 21.2 20.04 to 22.44 18.5 16.47 to 20.53 15.4 13.09 to 17.76 11.6 10.25 to 12.91
MBI-PA 23.1 21.75 to 24.50 26.1 24.38 to 27.82 27.3 25.62 to 28.98 29.7 28.81 to 30.56
Measure Instrument Range References/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 [35]
SF-12-mcs SF-12-mental component score 0–100 compared with normative German sample 1994: 51.2, psychosomatic inpatients 27 [40]
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 [39]
PHQ-15-som patient health questionnaire somatoform symptom severity 0–30
PHQ-7-anx patient health questionnaire anxiety 0–21
ISGI irritation sale global index 8–56 no irritation 8–16 low irritation 17–26 moderate irritation 27–37 strong irritation 38–56 [42]
MBI-EE burnout-emotional exhaustion 5–30 the lower the healthier [41]
MBI-DP burnout- depersonalisation 5–30 the lower the healthier
MBI-PA burnout—personal accomplishment 6–36 the higher the healthier