Table 4 Spearman’s correlations for concurrent and discriminant validity
n = 1346 | Correlation coefficient | Sig (2-tailed)** |
|---|---|---|
IOI-S/EDE-Q | .885** | .000 |
IOI-S/EDE-Q8 | .838** | .000 |
IOI-S/SCOFF | .749** | .000 |
EDE-Q/EDE-Q8 | .964** | .000 |
EDE-Q/SCOFF | .671** | .000 |
IOI-S/MC-SDS (n = 1019) | − .087** | .005 |
IOI-S/CSD-S (n = 327) | .010 | .859 |
Binge item analysis | ||
IOI-S Item 5/EDE-Q item 15 | .533** | .000 |
IOI-S Item 5/EDE-Q eating | .635** | .000 |
IOI-S Total/EDE-Q item 15 | .349** | .000 |
IOI-S Total/EDE-Q eating | .855** | .000 |
EDE-Q Item 15/EDE-Q eating | .364** | .000 |
EDE-Q global/EDE-Q item 15 | .255** | .000 |
EDE-Q global/EDE-Q Eating | .918** | .000 |