From: Item reduction and validation of the Chinese version of diabetes quality-of-life measure (DQOL)
Confirmatory factor analysis | Spearman correlation coefficient | |||
---|---|---|---|---|
SRMR | CFI | ρ(EQ-5D-3L) | ρ(EQ-VAS) | |
Short version based on the CTT (32 items) | 0.078 | 0.630 | −0.298 | −0.288 |
Domain 1 | −0.260 | −0.260 | ||
Domain 2 | −0.069 | −0.148 | ||
Short version based on the IRT (24 items) | 0.078 | 0.726 | −0.288 | −0.269 |
Domain 1 | −0.240 | −0.242 | ||
Domain 2 | −0.069 | −0.148 | ||
Original Chinese DQOL (46 items) | 0.077 | 0.616 | −0.276 | −0.273 |