. 2023 Jan 11;58(2):158–170. doi: 10.1007/s00535-022-01938-9

Table 3.

Correlations between IBS severity and psychological variables

		IBS-SI^a	K6^b	PSS^c	MAAS^d
Overall ( n = 703)	IBS-SI^a	1	0.421**	0.317**	-0.364**
	K6^b		1	0.634**	-0.521**
	PSS^c			1	-0.428**
	MAAS^d				1
IBS ( n = 184)	IBS-SI^a	1	0.241**	0.238**	-0.222**
	K6^b		1	0.631**	-0.470**
	PSS^c			1	-0.379**
	MAAS^d				1
Non-IBS ( n = 719)	IBS-SI^a	1	0.317**	0.241**	-0.318**
	K6^b		1	0.599**	-0.499**
	PSS^c			1	-0.399**
	MAAS^d				1

The correlations between IBS severity and psychological variables for the overall, IBS, and non-IBS groups

^aIBS-SI = IBS Severity Index, IBS-SSS

^bK6 = Kessler 6 Scale

^cPSS = Perceived Stress Scale

^dMAAS = Mindful Attention Awareness Scale

^** = p < 0.01