Table 4.

Reliability indices for the CPHE-s.

CPHE-s item	Ordinal alpha if item deleted	Test–retest reliability weighted kappa
Item 1	0.88	0.74
Item 2	0.87	0.65
Item 3	0.86	0.52
Item 4	0.85	0.53
Item 5	0.85	0.79