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 4 Inter-rater reliability results for the 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

Inter-rater reliability: Subscales and items			FAST 2 – 6 (n = 55)				FAST 7 (n = 36)
Inter-rater reliability: Subscales and items			p_o^a	ICC^b	k^c	95 % CI	p_o^a	ICC^b	k^c	95 % CI
A.	Care relationship			0.92 (0.91) ^e		0.89 – 0.95 (0.87 – 0.94) ^e		0.79 (0.78) ^e		0.68 – 0.87 (0.67 – 0.87) ^e
	4	Rejects help from nursing assistants	0.61		0.50	0.40 – 0.59
	7	Is angry	0.60		0.52	0.42 – 0.60	0.63		0.49	0.35 – 0.62
	14	Has conflicts with nursing assistants	0.56		0.38	0.29 – 0.47	0.66		0.49	0.34 – 0.63
	17	Accuses others	0.63		0.52	0.42 – 0.61
	24	Appreciates help that he or she receives	0.55		0.42	0.31 – 0.52
	31	Accepts help	0.62^d		0.38^d	0.23 – 0.51	0.67^d		0.41^d	0.27 – 0.53
	33	Criticizes the daily routine	0.67^d		0.38^d	0.20 – 0.53
B.	Positive affect			0.91		0.87 – 0.94		0.82		0.73 – 0.90
	1	Is cheerful	0.49		0.39	0.31 – 0.46
	5	Radiates satisfaction	0.52		0.38	0.29 – 0.47	0.44		0.29	0.19 – 0.38
	8	Is capable of enjoying things in daily life	0.55		0.40	0.29 – 0.50	0.57		0.46	0.32 – 0.59
	10	Is in good mood	0.54		0.44	0.36 – 0.52
	21	Has a smile around the mouth	0.51		0.41	0.33 – 0.48	0.61		0.53	0.39 – 0.66
	40	Mood can be influenced in positive sense	0.48		0.34	0.24 – 0.43	0.46		0.32	0.19 – 0.43
C.	Negative affect			0.91 (0.89) ^e		0.87 – 0.94 (0.84 – 0.93) ^e		0.64		0.49 – 0.77
	6	Makes an anxious impression	0.61		0.50	0.39 – 0.59	0.56		0.48	0.37 – 0.58
	11	Is sad	0.57		0.47	0.37 – 0.55
	23	Cries	0.77^d		0.58^d	0.46 – 0.69	0.83^d		0.54^d	0.28 – 0.75
D.	Restless tense behavior			0.95		0.92 – 0.97		0.91		0.85 – 0.95
	2	Makes restless movements	0.64		0.53	0.43 – 0.62	0.65		0.58	0.47 – 0.67
	19	Is restless	0.55		0.43	0.34 – 0.52	0.62		0.54	0.41 – 0.65
	22	Has tense body language	0.68		0.58	0.45 – 0.68	0.53		0.44	0.31 – 0.55
E.	Positive self-image			0.92		0.88 – 0.95
	27	Indicates he or she would like more help	0.77^d		0.45^d	0.27 – 0.59
	35	Indicates not being able to do anything	0.66^d		0.45^d	0.32 – 0.57
	37	Indicates feeling worthless	0.74^d		0.57^d	0.48 – 0.65
F.	Social relations			0.93 (0.93) ^e		0.89 – 0.95 (0.90 – 0.95) ^e		0.83		0.74 – 0.90
	3	Has contact with other residents	0.60		0.46	0.34 – 0.57	0.59		0.47	0.35 – 0.56
	12	Responds positively when approached	0.55^d		0.37^d	0.26 – 0.46	0.59^d		0.41^d	0.25 – 0.56
	18	Takes care for other residents	0.69		0.57	0.47 – 0.66
	25	Cuts himself/herself off from environment	0.64		0.51	0.41 – 0.60	0.79^d		0.40^d	0.14 – 0.59
	29	Is on friendly terms with one or more residents	0.68		0.60	0.51 – 0.69
	34	Feels at ease in the company of others	0.44		0.31	0.22 – 0.39
G.	Social isolation			0.95		0.92 – 0.97		0.84		0.75 – 0.90
	16	Is rejected by other residents	0.68^d		0.49^d	0.36 – 0.60	0.75^d		0.44^d	0.20 – 0.63
	20	Openly rejects contact with others	0.55		0.45	0.36 – 0.52	0.64^d		0.37^d	0.18 – 0.52
	32	Calls out	0.85^d		0.62^d	0.44 – 0.76	0.82		0.65	0.46 – 0.80
H.	Feeling at home			0.91		0.87 – 0.94
	13	Indicates that he or she is bored	0.70^d		0.40^d	0.26 – 0.52
	28	Indicates feeling locked up	0.85^d		0.52^d	0.31 – 0.67
	36	Feels at home on the ward	0.62		0.54	0.44 – 0.63
	39	Wants to get off the ward	0.82^d		0.52^d	0.36 – 0.65
I.	Having something to do			0.96		0.94 – 0.97
	26	Finds things to do without help from others	0.69		0.61	0.51 – 0.70
	38	Enjoys helping with chores on the ward	0.70^d		0.55^d	0.43 – 0.66
	Remaining items to be used in future research
	9	Does not want to eat	0.63		0.47	0.36 – 0.58	0.63		0.52	0.37 – 0.65
	15	Enjoys meals	0.58		0.49	0.39 – 0.58	0.54		0.43	0.29 – 0.55
	30	Likes to lie down (in bed)	0.55		0.44	0.35 – 0.53	0.59		0.42	0.27 – 0.56

^aOverall proportion of agreement (the ratio of exact agreement between raters to the total number of ratings)
^bICC intra-class correlation coefficient
^cKappa values
^dItems with floor effects (mean < 1.2) or ceiling effects (mean > 4.8), see Table 3
^eICC values and corresponding 95 % CIs when excluding items with floor or ceiling effects

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ISSN: 1471-2318

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