Table 3.

Test–retest reliability results for percentage change, percentage agreement, ICC, and dichotomised index.

	Number of items (%)
Percentage change
< 18 (Almost perfect)	14/14 (100)
19–36 (Strong)	0/14 (0)
37–65 (Moderate)	0/14 (0)
66–85 (Weak)	0/14 (0)
86–96 (Minimal)	0/14 (0)
> 96 (None)	0/14 (0)
Percentage agreement
> 0.90 (Almost perfect)	3/13 (23.1)
0.80–0.90 (Strong)	6/13 (46.2)
0.60–0.79 (Moderate)	3/13 (23.1)
0.40–0.59 (Weak)	0/13 (0)
0.21–0.39 (Minimal)	1/13 (7.6)
0–0.20 (None)	0/13 (0)
ICC
> 0.9 (Excellent)	3/4 (75)
0.75–0.9 (Good)	1/4 (25)
0.5–0.75 (Moderate)	0/4 (0)
< 0.5 (Poor)	0/4 (0)
Dichotomised index
> 90% (Almost perfect)	1/6 (16.7)
80–90% (Strong)	3/6 (50)
60–79% (Moderate)	2/6 (33.3)
40–59% (Weak)	0/6 (0)
21–39% (Minimal)	0/6 (0)
0–20% (None)	0/6 (0)
Not assessed	2/2 (100)