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Table 4 Correlations between presenteeism, pain, and depression among employed CLBP patients

From: The impact of depression among chronic low back pain patients in Japan

  Spearman's rho with presenteeism P value
Overall work impairment % 0.990a <0.001
Severity of lower back pain 0.267a <0.001
Severity of pain in the prior week (based on NRS) 0.297a <0.001
Current severity of pain (based on NRS) 0.245a <0.001
Frequency of problems with pain 0.115 0.077
Sites of pain in addition to LBP (number, 0–6) 0.239a 0.002
Depression severity based on PHQ-9 0.342a <0.001
  1. aCorrelation is significant at the 0.01 level (2-tailed)