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Table 2 Correlation results (convergent and discriminant validity; Spearmans’ rho; T0; n = 653)

From: Evaluation of measurement properties of the German Work Role Functioning Questionnaire

   Subscale dimensions  
Variables/scales WRFQ(total) WRFQ-F1 WRFQ-F2 WRFQ-F3 WRFQ-F4
WRFQ(total)   0.88 0.67 0.75 0.72
WRFQ-F1 (Work scheduling and output demands)    0.45 0.51 0.53
WRFQ-F2 (Physical demands)     0.37 0.32
WRFQ-F3 (Mental and social demands)      0.67
WRFQ-F4 (Flexibility demands)      
Correlation between WRFQ and other constructs
 Endicott Work Productivity Scale (EWPS), hypothesis 1 −0.49 −0.46 −0.21 −0.47 −0.44
 General health (SF-12 global item), hypothesis 2 −0.33 −0.27 −0.36 −0.29 −0.23
 Work Ability Index (WAI, global item), hypothesis 3 0.40 0.27 0.22 0.37 0.34
 Work Ability Index (WAI, physical demands) −0.38 − 0.31 − 0.35 −0.30 − 0.30
 Work Ability Index (WAI, mental demands) −0.44 − 0.42 −0.25 − 0.37 −0.37
 Decision latitude (JCQ), hypothesis 4 0.07 −0.01 0.03 0.18 0.11
 Psychological job demands (JCQ), hypothesis 5 −0.16 −0.14 − 0.15 −0.15 − 0.13
  1. Legend: P-values: Always p ≤ .001 with the exception of correlation between Subscale Decision latitude (Job Content Quest; JCQ) and WRFQ total score / subscore F1 / subscore F2 (p = .057/0.829/0.447) as well WRFQ total score / subscore 4 (p = .911/0.304)