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. 2015 Apr 24;10(4):e0124275. doi: 10.1371/journal.pone.0124275

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