Table 2. Reliability analysis of the MALMAS and the MMAS-8.
Item number | Corrected item total correlations | Cronbach’s alpha if item deleted | Test-retest reliability McNemar test / Wilcoxon signed ranks test | |||
---|---|---|---|---|---|---|
p-value | p-value | |||||
MALMAS | MMAS-8 | MALMAS | MMAS-8 | MALMAS | MMAS-8 | |
1 for MALMAS and 8 for MMAS-8 | 0.515 | 0.534 | 0.485 | 0.530 | 0.022* | 0.001** |
(-2.292 c ) | (-3.477 c ) | |||||
2 | 0.423 | 0.478 | 0.469 | 0.491 | 0.035* | 0.136 |
3 | 0.185 a | 0.258 | 0.571 b | 0.576 | 0.871 | 0.011* |
4 | 0.181 a | 0.202 | 0.562 | 0.586 | 0.383 | 1.000 |
5 | 0.159 a | 0.140 a | 0.561 | 0.597 | 0.180 | 0.219 |
6 | 0.227 | 0.133 a | 0.570 | 0.598 b | 1.000 | 1.000 |
7 | 0.251 | 0.288 | 0.539 | 0.567 | 0.503 | 0.720 |
8 for MALMAS and 1 for MMAS-8 | 0.382 | 0.429 | 0.531 | 0.515 | 0.286 | 0.032* |
Total score | <0.001** | <0.001** | ||||
(Spearman’s correlation coefficient) | (0.412 d ) | (0.376 d ) |
NA, Not applicable;
*p < 0.05;
**p<0.001
aCorrected item-total correlations < 0.2;
bIncrease in Cronbach’s alpha value if item was deleted;
cz value obtained from Wilcoxon Signed Ranks test;
dSpearman’s rho