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Table 3 Results of the hierarchical multiple regression analysis of WLQ-8 productivity loss (N = 476)

From: Associations between the depressive symptoms, subjective cognitive function, and presenteeism of Japanese adult workers: a cross-sectional survey study

   Step 1(F = 74.87,
p = 0.000)
   Step 2(F = 49.86, p = 0.000) 
VariableB (95%CI)b SEtβpVIFtβpVIF
Step 1
 PHQ-90.002 (0.001–0.003)0.0004.900.22< 0.001**1.20    
 COBRA0.002 (0.002–0.003)0.0008.220.36< 0.001**1.20    
Step 2
 PHQ-9 × COBRA      −0.33−0.0150.741.26
R2  0.24**    0.000  
 Adjusted R2  0.24    0.24  
  1. Abbreviations: COBRA Cognitive Complaints in Bipolar Disorder Rating Assessment; PHQ-9 Patient Health Questionnaire-9; WLQ-8 Work Limitations Questionnaire; **p < 0.01 (two-sided)