Table 2

Correlation of the total SF-MPQ-2CN (subscale) score with demographic characteristics, BDI-II, HAMD -24, MoCA-BC and PRMQ scales

	Continuous pain		Intermittent pain		Neuropathic pain		Affective descriptors		Total score
	r	P value	r	P value	r	P value	r	P value	r	P value
Demographic characteristics
Gender	−0.120	0.284	0.028	0.806	0.147	0.187	−0.132	0.236	−0.063	0.576
Personality characteristic	0.228	0.039*	0.057	0.612	0.038	0.733	0.063	0.572	0.116	0.301
Marital status	−0.233	0.035*	−0.184	0.098	−0.275	0.012*	−0.091	0.415	−0.169	0.129
Education years	−0.087	0.437	−0.163	0.144	−0.088	0.432	−0.180	0.105	−0.199	0.073
Monthly income	−0.055	0.623	−0.158	0.155	−0.066	0.553	−0.144	0.196	−0.141	0.205
Employment	0.071	0.525	0.154	0.168	0.158	0.156	0.006	0.954	0.083	0.458
Family pattern	0.073	0.517	0.143	0.200	0.090	0.420	−0.064	0.565	0.028	0.800
BDI-II	0.206	0.064	0.198	0.075	0.317	0.004**	0.565	<0.001***	0.466	<0.001***
HAMD-24	0.170	0.127	0.161	0.148	0.262	0.018*	0.249	0.024*	0.269	0.015*
MoCA-BC
Attention	0.111	0.320	0.002	0.983	0.221	0.046*	0.147	0.187	0.176	0.114
Delayed recall	0.086	0.442	0.019	0.867	0.217	0.050	0.053	0.635	0.083	0.461
Total score	0.140	0.208	0.017	0.880	0.269	0.015*	0.104	0.351	0.147	0.189
PRMQ
Prospective memory	0.431	<0.001***	0.144	0.196	0.253	0.022*	0.213	0.054	0.320	0.003**
Retrospective memory	0.415	<0.001***	0.199	0.073	0.247	0.025*	0.214	0.054	0.314	0.004**

*p<0.05, **p<0.01, ***p<0.001.
BDI-II, Beck Depression Inventory-II; HAMD-24, Hamilton Depression Rating Scale-24; MoCA-BC, Montreal Cognitive Assessment-Basic Section; PRMQ, Prospective and Retrospective Memory Questionnaire; SF-MPQ-2-CN, Short-Form McGill Pain Questionnaire-2-Chinese version.