Evaluating the reliability, validity and minimally important difference of the Taiwanese version of the diabetes quality of life (DQOL) measurement

Table 3 Known-groups validity the DQOL†

	DQOL SAT‡	DQOL IMP‡	DQOL WOR‡	DQOL ALL‡	D39 DC‡	D39 EM‡	D39 SB‡	D39 AW‡	D39 SF‡	RAND-12 PHC‡	RAND-12 MHC‡
Laboratory indicators
Fasting plasma glucose	0.04§	0.06	0.12	0.08	0.08	0.07	0.05	0	-0.19	0.01	0.01
2-hour postprandial plasma glucose	0.17	0.24	0.34	0.28	0.39	0.40	0.26	0.21	0.43	0.34	0.20
Hemoglobin A1c	0.23	0.17	0.22	0.23	0.19	0.20	0.20	0.14	-0.04	0.15	0.11
Diabetes complications
Retinopathy	0.10	0.42	0.31	0.35	0.36	0.48	0.41	0.47	0.31	0.30	0.07
Neuropathy	0.24	0.44	0.46	0.45	0.49	0.57	0.64	0.43	0.44	0.49	0.24
Diabetic foot complications	0.08	0.39	0.34	0.33	0.45	0.60	0.59	0.47	0.40	0.50	0.23
Cardiovascular complications	-0.06	0.20	0.14	0.13	0.21	0.32	0.15	0.18	0.32	0.27	0.13
Cerebrovascular complications	-0.09	0.08	0.04	0.03	0.12	0.30	0.41	0.31	-0.09	0.74	0.60

† Covariate adjustment: age, gender, education background, and duration
‡ SAT: satisfaction; IMP: impact; WOR: worry; ALL: overall; DC: diabetes control; EM: energy and mobility; SB: social burden; AW: anxiety and worry; SF: sexual functioning; PHC: physical health composite; MHC: mental health composite
§ Values in the cells are effect size: negligible (< 0.2), small (0.2–0.49), moderate (0.5–0.79), and large (≥ 0.8)

ISSN: 1477-7525