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Table 2 Correlations between model variables*

From: A path analysis of the effects of the doctor-patient encounter and expectancy in an open-label randomized trial of spinal manipulation for the care of low back pain

  Lowback pain Expectation Dose Lowback pain Dr-Patient encounter Expectation Lowback pain Expectation Dr-Patient encounter
  Baseline Baseline   6 weeks 6 weeks 6 weeks 12 weeks 12 weeks 12 weeks
Low back pain – baseline   0.27 −0.01 0.44 0.00 0.01 0.41 0.00 0.00
Expectations – baseline   - 0.04 0.07 0.20 0.14 0.07 0.15 0.13
Dose   - - −0.12 0.23 0.06 −0.13 0.17 −0.01
Low back pain – 6 weeks   - - - −0.50 −0.23 0.72 −0.44 −0.19
Expectations – 6 weeks   - - - - 0.35 −0.42 0.73 0.33
Dr-Patient encounter – 6 weeks   - - - - - −0.16 0.30 0.59
Low back pain – 12 weeks   - - - - - - −0.47 −0.17
Expectations – 12 weeks   - - - - - - - 0.34
Dr-Patient encounter – 12 weeks          
  1. *Pearson’s correlation coefficient shows the univariate correlation between variables.
  2. Bolded coefficients are statistically significant (p < .05).