Item distribution, internal consistency and inter-rater reliability of the German version of the QUALIDEM for people with mild to severe and very severe dementia

Dichter, Martin Nikolaus; Schwab, Christian G. G.; Meyer, Gabriele; Bartholomeyczik, Sabine; Halek, Margareta

doi:10.1186/s12877-016-0296-0

Table 3 Item distribution and internal consistency per item based on four observations for each case – German version of the QUALIDEM

From: Item distribution, internal consistency and inter-rater reliability of the German version of the QUALIDEM for people with mild to severe and very severe dementia

			FAST 2 – 6 (n = 55)										FAST 7 (n = 36)
			Never	Very seldom	Seldom	Sometimes	Often	Frequently	Very frequently	Mean	SD	Alpha^c	Never	Very seldom	Seldom	Sometimes	Often	Frequently	Very frequently	Mean	SD	Alpha^c
A.	Care relationship											0.9										0.8
	4	Rejects help from nursing assistants^a	79	48	29	23	12	13	16	4.3	1.9
	7	Is angry^a	31	46	61	36	14	12	20	3.7	1.7		59	39	9	13	12	4	8	4.5	1.8
	14	Has conflicts with nursing assistants^a	93	65	21	16	5	9	11	4.7	1.7		78	19	12	12	10	4	9	4.7	1.9
	17	Accuses others^a	90	43	29	23	14	17	4	4.5	1.7
	24	Appreciates help that he or she receives	5	4	18	35	31	55	72	4.4	1.5
	31	Accepts help	0	4	1	14	24	50	127	5.3^b	1.1		1	1	4	4	11	34	89	5.3^b	1.1
	33	Criticizes the daily routine^a	147	30	14	5	13	8	3	5.2^b	1.5
B.	Positive Affect											0.9										0.8
	1	Is cheerful	19	20	24	38	49	40	30	3.5	1.8
	5	Radiates satisfaction	4	10	18	21	65	63	39	4.2	1.5		10	10	13	5	32	49	25	4.0	1.8
	8	Is capable of enjoying things in daily life	2	0	13	25	53	76	51	4.5	1.2		9	7	6	21	31	49	21	4.0	1.6
	10	Is in good mood	10	19	19	40	55	51	26	3.7	1.6
	21	Has a smile around the mouth	9	17	28	31	38	46	51	3.9	1.8		12	9	24	17	20	27	35	3.7	1.9
	40	Mood can be influenced in positive sense	8	13	15	22	44	71	47	4.2	1.6		10	15	9	8	14	43	45	4.2	2.0
C.	Negative Affect											0.7										0.4
	6	Makes an anxious impression^a	66	57	35	33	20	8	1	4.4	1.5		24	15	17	29	21	17	21	3.0	2.0
	11	Is sad^a	69	42	31	32	23	16	7	4.1	1.8
	23	Cries^a	143	24	17	24	12	0	0	5.2^b	1.3		113	16	0	10	2	1	2	5.5^b	1.2
D.	Restless tense behavior											0.8										0.7
	2	Makes restless movements^a	89	29	20	17	14	14	37	3.9	2.3		38	15	11	8	14	22	36	2.9	2.4
	19	Is restless^a	74	52	19	18	9	16	32	4.0	2.2		28	23	21	3	12	17	40	2.9	2.4
	22	Has tense body language^a	93	35	33	31	17	4	7	4.5	1.6		28	12	20	13	8	31	32	2.7	2.3
E.	Positive self-image											0.7
	27	Indicates he or she would like more help^a	165	29	10	9	5	2	0	5.5^b	1.0
	35	Indicates not being able to do anything^a	129	38	23	13	12	4	1	5.1^b	1.4
	37	Indicates feeling worthless^a	134	20	11	28	16	7	4	4.9^b	1.7
F.	Social relations											0.8										0.4
	3	Has contact with other residents	16	12	15	8	30	47	92	4.4	1.9		57	22	14	3	0	26	22	2.2	2.4
	12	Responds positively when approached	1	2	7	26	30	61	93	4.9^b	1.3		4	3	5	11	13	45	63	4.9^b	1.5
	18	Takes care for other residents	107	27	20	17	19	19	11	1.6	2.0
	25	Cuts himself/herself off from environment	99	31	29	27	10	13	11	4.5	1.8		116	10	2	2	4	4	6	5.4^b	1.6
	29	Is on friendly terms with one or more residents	56	17	15	25	19	29	59	3.2	2.4
	34	Feels at ease in the company of others	13	27	14	12	41	64	49	4.0	1.9
G.	Social isolation											0.5										0.1
	16	Is rejected by other residents^a	124	45	5	21	4	11	10	4.9^b	1.8		104	19	7	5	4	2	3	5.4^b	1.3
	20	Openly rejects contact with others^a	68	46	32	18	27	23	6	4.1	1.8		90	25	11	12	1	3	2	5.2^b	1.3
	32	Calls out^b	167	13	5	4	4	6	21	5.1^b	2.0		97	7	5	1	1	3	30	4.5	2.5
H.	Feeling at home											0.4
	13	Indicates that he or she is bored^a	148	43	23	5	1	0	0	5.5^b	0.8
	28	Indicates feeling locked up^a	181	16	13	5	5	0	0	5.7^b	0.9
	36	Feels at home on the ward	61	21	19	17	23	53	26	2.8	2.3
	39	Wants to get off the ward^a	172	20	9	6	7	2	4	5.5^b	1.3
I.	Having something to do											0.3
	26	Finds things to do without help from others	77	13	11	21	16	38	44	2.8	2.4
	38	Enjoys helping with chores on the ward	118	43	18	17	9	13	2	1.1^b	1.6
	Remaining items to be used in future research
	9	Does not want to eat^a	105	48	14	18	16	17	2	4.7	1.7		53	25	31	13	5	5	11	4.3	1.8
	15	Enjoys meals	10	15	27	18	42	54	54	4.0	1.8		17	12	10	17	10	41	35	3.8	2.1
	30	Likes to lie down (in bed)^a	81	30	17	24	22	20	26	3.8	2.2		69	19	7	7	21	10	7	4.4	2.0
Frequencies of the response options in total, n			3063	1114	782	823	870	1052	1096				1017	323	238	214	246	437	542
Frequencies of the response options in total, %			35	13	9	9	10	12	12				34	11	8	7	8	14	18

^aContraindicative items
^bItems with floor effects (mean < 1.2) or ceiling effects (mean > 4.8)
^cCalculation of Cronbach’s alpha based on the median of four observations for each case and item

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