Table 5 Spearman’s rank correlation coefficient between the aggregated items (Item 1–7) and the global item (Item 8) and their 95% CIs
| Â | r (95% CI) |
|---|---|
11-point | 0.92 (0.91–0.92) |
5-point (Option1) | 0.88 (0.87–0.89) |
5-point (Option2) | 0.89 (0.88–0.90) |
5-point (Option3) | 0.89 (0.88–0.90) |
5-point (Option4) | 0.89 (0.88–0.90) |
5-point (Option5) | 0.88 (0.87–0.89) |
5-point (Option6) | 0.85 (0.84–0.86) |