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Table 4 Tests of measurement invariance of the short version of the Burnout Screening Scales-II (BOSS II-short)

From: Measuring physical, cognitive, and emotional aspects of exhaustion with the BOSS II-short version – results from a representative population-based study in Germany

Model χ2 (df) Δχ2 Δdf p CFI ΔCFI GH ΔGH
Gender (n = 1232)
 Configural invariance 336.628 (174)     .971   .983  
  Female 171.851 (87)     .973   .983  
  Male 164.823 (87)     .961   .982  
 Metric invariance 355.186 (186) 18.558 12 .010 .969 −.002 .982 −.001
 Scalar invariance 396.448 (198) 41.262 12 <.001 .965 −.004 .979 −.003
 Strict invariance 427.413 (213) 30.964 15 .009 .961 −.004 .977 −.002
Age (n = 2429)
 Configural invariance 815.163 (522)     .970   .984  
  18-29 141.475 (87)     .957   .980  
  30-39 133.281 (87)     .970   .982  
  40-49 132.751 (87)     .977   .988  
  50-59 122.451 (87)     .979   .989  
  60-69 150.234 (87)     .971   .980  
   ≥ 70 104.335 (87)     .991   .994  
 Metric invariance 898.958 (582) 83.795 60 .023 .967 −.003 .983 −.001
 Scalar invariance 1208.601 (642) 309.644 60 <.001 .944 −.023 .970 −.013
 Partial scalar invariancea 1049.089 (632) 150.131 50 <.001 .958 −.009 .978 −.005
 Strict invariancea 1677.223 (707) 628.134 75 <.001 .904 −.054 .949 −.029
 Partial strict invariancea, b 1176.248 (672) 127.159 45 <.001 .949 −.009 .973 −.007
  1. Note. athe intercepts of Items 6 and 10 were freed to vary between groups
  2. bthe residuals of Items 5, 6, 10, 13, 16, 18, and 19 were freed to vary between groups