Development of diabetes-specific quality of life module to be in conjunction with the World Health Organization quality of life scale brief version (WHOQOL-BREF)

Table 3 Item properties in DMQoL

Item #: Item description	Corrected item-total correlation	Factor loading^a	Infit MnSq^b	Outfit MnSq^b
2: How satisfied are you with the time you spend on diabetes care?	0.591	0.677	0.83	0.84
3 How satisfied are you with your expenses on diabetes care?	0.506	0.575	0.88	0.87
4: How satisfied are you with the results of glycemic control?	0.574	0.623	0.94	0.97
5: How satisfied are you with the results of the control of diabetes-related complications?	0.500	0.547	1.09	1.13
7: How satisfied are you with your diet control?	0.583	0.630	0.68	0.74
8: How satisfied are you with your physical activities?	0.573	0.617	1.17	1.13
9: How satisfied are you with your weight control?	0.433	0.470	1.22	1.14
10: How satisfied are you with your treatment of diabetes?	0.526	0.578	0.77	0.81
12: How much have you adapted to life with diabetes?	0.577	0.641	1.43	1.37
15: How satisfied are you with your relationship with your family since you were diagnosed with diabetes?	0.432	0.482	0.89	0.90

^aUsing explorartory factor analysis; ^bUsing Rasch anlaysis
Infit information-weighted fit statistic, Outfit outlier-sensitive fit statistic, MnSq mean square

ISSN: 1477-7525