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

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Published online 2014 Jan 13. doi: 10.1186/1472-6882-14-16

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Table 2

Correlations between model variables*

	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

*Pearson’s correlation coefficient shows the univariate correlation between variables.

Bolded coefficients are statistically significant (p < .05).