Table 5.
Intra- and inter-rater reliability for DSRS and subscales assessed using the intra-class correlation. Each rater scored data on two occasions separated by a month.
| Comparison | Scale | ICC | Interpretation | |
|---|---|---|---|---|
| Inter-rater | 1 (n = 58) | DSRS | 0.955 (0.925, 0.973) | Excellent |
| Fluids | 0.837 (0.740, 0.900) | Good | ||
| Diet | 0.985 (0.974, 0.991) | Excellent | ||
| Supervision | 0.952 (0.921, 0.971) | Excellent | ||
| Inter-rater | 2 (n = 31) | DSRS | 0.929 (0.859, 0.965) | Excellent |
| Fluids | 0.721 (0.501, 0.855) | Moderate | ||
| Diet | 0.982 (0.965, 0.992) | Excellent | ||
| Supervision | 0.958 (0.915, 0.979) | Excellent | ||
| Intra-rater | 1 (n = 41) | DSRS | 1.00 (1.00, 1.00) | Excellent |
| Fluids | 1.00 (1.00, 1.00) | Excellent | ||
| Diet | 1.00 (1.00, 1.00) | Excellent | ||
| Supervision | 1.00 (1.00, 1.00) | Excellent | ||
| Intra-rater | 2 (n = 31) | DSRS | 1.00 (1.00, 1.00) | Excellent |
| Fluids | 1.00 (1.00, 1.00) | Excellent | ||
| Diet | 1.00 (1.00, 1.00) | Excellent | ||
| Supervision | 1.00 (1.00, 1.00) | Excellent |
Interpretation: Excellent >0.90; good >0.75–0.90; moderate 0.50–0.75; poor <0.50.