Assessing the reliability and validity of the ICECAP-A instrument in Chinese type 2 diabetes patients

Xiong, 
Yao; Wu, Hongyan; Xu, Judy

doi:10.1186/s12955-020-01632-5

Health and Quality of Life Outcomes

Table 1 Sample characteristics for the ICECAP-A and EQ-5D-3L scores and EQ-VAS by socio-demographic and clinic conditions groups of the sample

From: Assessing the reliability and validity of the ICECAP-A instrument in Chinese type 2 diabetes patients

		ICECAP-A tariff			EQ-5D-3L utility			EQ-VAS
	N	Mean	Sd	p-value	Mean	Sd	p-value	Mean	Sd	p-value
Gender				0.725			0.154			0.036
Male	194	0.85	0.09		0.95	0.06		82.98	10.59
Female	298	0.85	0.10		0.93	0.08		80.74	10.89
Age				0.005			0.595			< 0.001
< 35	2	0.94	0.05		0.96	0.00		92.50	3.54
35–44	14	0.89	0.07		0.94	0.07		85.00	9.58
45–54	64	0.87	0.11		0.95	0.05		85.17	7.92
55–64	140	0.85	0.11		0.94	0.07		81.64	13.66
≥65	272	0.84	0.08		0.93	0.08		80.51	9.59
Marital status				0.017			0.007			< 0.001
Married	448	0.86	0.09		0.94	0.06		82.19	10.55
Unmarried	44	0.81	0.12		0.90	0.11		75.80	11.88
Monthly income per capita				0.197			0.694			< 0.001
< ¥1000	54	0.87	0.12		0.93	0.07		73.52	15.07
¥1001–¥2000	57	0.86	0.09		0.92	0.12		78.75	11.87
¥2001–¥3000	225	0.85	0.08		0.94	0.06		82.59	9.36
¥3001–¥4000	120	0.85	0.10		0.95	0.05		83.78	8.68
≥¥4000	36	0.83	0.11		0.93	0.11		85.03	10.29
Education				0.667			0.223			< 0.001
Primary school or below	122	0.85	0.11		0.92	0.09		75.73	13.03
Middle school	132	0.85	0.09		0.93	0.08		82.34	9.72
High or profession school	170	0.85	0.09		0.94	0.06		83.36	9.59
College or above	68	0.86	0.09		0.96	0.02		86.47	6.11
Work status				0.021			0.756			< 0.001
Other work status	99	0.86	0.08		0.94	0.07		84.96	6.37
Working	63	0.89	0.07		0.94	0.06		86.25	7.83
Leisure	330	0.84	0.10		0.94	0.07		79.74	11.82
Health insurance				0.004			0.645			< 0.001
Government medical insurance	3	0.87	0.01		0.96	0.00		73.33	15.28
Urban resident medical insurance	17	0.79	0.16		0.95	0.05		81.35	6.10
Urban employee medical insurance	359	0.85	0.08		0.94	0.07		83.83	8.93
New cooperative medical insurance	111	0.88	0.11		0.93	0.08		74.74	13.67
No insurance	2	0.89	0.07		0.96	0.00		85.00	0.00
Income source				< 0.001			0.585			0.261
Salary	311	0.85	0.09		0.94	0.06		82.49	9.35
Agriculture production or business	21	0.88	0.08		0.95	0.04		77.05	11.36
Other source	127	0.83	0.10		0.93	0.10		80.40	13.31
Unkown	33	0.92	0.10		0.93	0.06		80.91	12.08
Self-reported happiness				0.012			0.022			0.001
Very happy	423	0.85	0.09		0.94	0.06		82.00	11.04
Fairly happy	66	0.85	0.09		0.92	0.11		80.17	8.25
fairly unhappy	3	0.55	0.08		0.81	0.05		60.00	0.00
Self-reported health status				0.013			0.002			< 0.001
Good health	314	0.86	0.09		0.95	0.06		84.37	9.50
Fair health	165	0.85	0.09		0.92	0.08		77.86	10.12
Poor health	12	0.74	0.15		0.87	0.14		62.42	16.98
Number of Other Chronic diseases				0.248			0.051			< 0.001
None	85	0.86	0.07		0.94	0.07		85.42	6.18
1	222	0.86	0.09		0.95	0.06		83.19	9.95
2 or above	185	0.84	0.11		0.93	0.08		78.02	12.36
Number of Complications				0.631			< 0.001			< 0.001
None	344	0.85	0.09		0.95	0.06		83.42	8.66
1	104	0.84	0.10		0.93	0.08		77.88	15.00
2 or above	41	0.85	0.08		0.89	0.1		76.20	10.64
Fasting Blood Glucose				0.184			0.401			0.001
< 6.1 mmol/L	256	0.85	0.08		0.94	0.06		83.78	7.85
6.1 ~ 7.0 mmol/L	87	0.85	0.11		0.94	0.06		83.81	7.74
≥7.0 mmol/L	133	0.86	0.11		0.93	0.09		77.83	14.38
Two hours Postprandial Blood Glucose				0.477			0.550			0.002
< 7.8 mmol/L	88	0.84	0.10		0.94	0.05		83.76	8.75
7.8 ~ 11.1 mmol/L	270	0.85	0.09		0.94	0.07		83.24	8.08
≥11.1 mmol/L	88	0.86	0.10		0.93	0.09		77.18	15.26
HbA1c				0.020			0.248			0.010
< 6.5%	328	0.84	0.09		0.94	0.06		83.12	8.74
≥6.5%	141	0.87	0.09		0.93	0.09		79.21	13.54
Overall sample		0.85	0.10		0.94	0.07		81.62	10.82

ICECAP-A ICEpop CAPability measure for adults, EQ-5D-3L EuroQoL Three-Dimension, Sd standard deviation
There are 1, 3, 16, 42, 23 missing data which in the categories of self-reported happiness, number of complications, fasting blood glucose, two hours postprandial blood glucose, HbA1c, respectively
Monthly income per capita is classified into three levels: low-income (less than CNY 2000), middle-income (between CNY 2001 and CNY 4000), and high-income (more than CNY 4000)

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