Table 4.

Bivariate analysis: patient physician communication

	Patient physician communication (n = 133)
	Coping strategies		Stressors		Circumstances
Wilcoxon rank sum test	z value	P value*	z value	P value	z value	P value
Age (years)	2.3	0.024	0.34	0.74	0.56	0.57
Duration of education (years)	0.31	0.75	0.051	0.96	−0.61	0.54
Pain VAS score	−1.5	0.15	−1.3	0.19	−1.2	0.21
Duration since pain onset, mo	−0.63	0.53	0.47	0.64	0.99	0.32
Health-related outcomes
PROMIS-Pain Interference CAT	−2.2	0.025	−1.8	0.079	−2.0	0.043
PROMIS-Upper Extremity CAT	−0.29	0.77	1.5	0.14	1.1	0.29
Chi-squared or Fisher exact test	Chi-squareda	P value	Chi-squared	P value	Chi-squared	P value
Sex	0.0050	0.94	1.70	0.20	0.031	0.86
Other pain conditions	0.075	0.78	0.093	0.76	1.90	0.17
Prior surgery	0.62	0.43	–	0.74	4.30	0.038
Smoking status	–	0.22	–	0.64	0.0012	0.97
Sought treatment before	0.44	0.50	–	1.00	2.10	0.14
Marital status	–	0.0070	–	0.054	–	0.0020
Diagnosis	–	0.29	–	0.13	–	0.92
Working status	–	0.17	–	0.15	–	<0.001

VAS visual analogue scale, PROMIS Patient-Reported Outcomes Measurement Information System, CAT computer-adaptive testing

*P < 0.05, level of significance

^aOnly chi-squared value is reported. Fisher exact test does not have a test statistic