Table 9 Reliability coefficients of 9 BC types in 3 short-forms
Edition of short-form | BC type | Item number | Cronbach’s alphacofficient | Test–retest reliability coefficient | P-value |
|---|---|---|---|---|---|
A | Total scale | 27 | 0.856 | – | – |
GTC | 4 | 0.665 | 0.841 | 0.000 | |
QDC | 3 | 0.630 | 0.777 | 0.000 | |
YaDC | 3 | 0.800 | 0.787 | 0.000 | |
YiDC | 3 | 0.510 | 0.765 | 0.000 | |
PDC | 3 | 0.645 | 0.808 | 0.000 | |
DHC | 4 | 0.666 | 0.851 | 0.000 | |
BSC | 3 | 0.530 | 0.638 | 0.000 | |
QSC | 3 | 0.793 | 0.743 | 0.000 | |
SDC | 4 | 0.598 | 0.808 | 0.000 | |
B | Total scale | 23 | 0.856 | − | − |
GTC | 3 | 0.466 | 0.819 | 0.000 | |
QDC | 2 | 0.325 | 0.756 | 0.000 | |
YaDC | 3 | 0.751 | 0.854 | 0.000 | |
YiDC | 3 | 0.522 | 0.690 | 0.000 | |
PDC | 3 | 0.499 | 0.831 | 0.000 | |
DHC | 3 | 0.522 | 0.771 | 0.000 | |
BSC | 3 | 0.513 | 0.684 | 0.000 | |
QSC | 3 | 0.828 | 0.760 | 0.000 | |
SDC | 3 | 0.544 | 0.818 | 0.000 | |
C | Total scale | 27 | 0.861 | − | − |
GTC | 2 | 0.464 | 0.496 | 0.000 | |
QDC | 3 | 0.585 | 0.475 | 0.000 | |
YaDC | 4 | 0.802 | 0.651 | 0.000 | |
YiDC | 4 | 0.628 | 0.662 | 0.000 | |
PDC | 3 | 0.495 | 0.639 | 0.000 | |
DHC | 4 | 0.593 | 0.736 | 0.000 | |
BSC | 3 | 0.389 | 0.722 | 0.000 | |
QSC | 3 | 0.818 | 0.651 | 0.000 | |
SDC | 3 | 0.544 | 0.717 | 0.000 |