. 2017 Jun 5;15:119. doi: 10.1186/s12955-017-0697-6

Table 4.

Factor coefficients of individual items of kidney disease component of KDQOL SF TM mapped with the domain structure of the kidney disease component of KDQOL SF TM based on expert opinion and analysis of literature

Domain	Question	F1	F2	F3	F4	F5	F6	F7	F8	F9	F10	F11	F12	F13	F14
BKD	12A									0.528
	12B									0.513
	12C									0.556
	12D									0.405
QSI	13A			0.486
	13C			0.520
	13E			0.421
CF	13B													0.878
	13D													-0.604
	13F													0.413
Symptom/problem Domain	14A											0.789
	14B								−0.503
	14C								0.855
	14D						0.744
	14E						0.870
	14F								−0.823
	14G											0.433
	14H											0.774
	14I			0.629^a
	14 J				0.812^a
	14 K											0.840
EKD	15A	0.649
	15B			0.710^a
	15C	0.681
	15D												0.489
	15E	0.405
	15F	0.725
	15G		0.551^a
	15H												0.610
SF	16A					0.933
SF	16B					0.907
Sleep	17		0.878
	18A		0.904
	18B		0.685
	18C										0.825^a
SS	19A				0.805
SS	19B				0.693
WS	20														0.802
WS	21														0.720
PS	23										0.509
HSE	24A							0.870
HSE	24B							0.879

BKD Burden of kidney disease, QSI Quality of social interaction, CF Cognitive function, EKD Effects of kidney disease, SF Sexual function, SS Social support, WS Work status, PS Patient satisfaction, HSE Hospital staff encouragement

^aQuestions which did not load to an appropriate factors in accordance with the theoretical background