Table 1.
Source of the supporting evidence for each symptom on the IDSS
| Item | Qualitative reviewa | IRT analysisb | DSM-5 |
|---|---|---|---|
| D01 sad | ♦ | ♦ | ♦ |
| D02 no interest | ♦ | ♦ | ♦ |
| D03 crying | ♦ | ♦ | |
| D04 hopeless | ♦ | ♦ | |
| D05 lonely | ♦ | ♦ | |
| D06 social withdrawal | ♦ | ||
| D07 tired/fatigue | ♦ | ♦ | ♦ |
| D08 weigh too little | ♦ | ♦ | ♦ |
| D09 weigh too much | ♦ | ♦ | ♦ |
| D10 increased appetite | ♦ | ♦ | ♦ |
| D11 sleep problems | ♦ | ♦ | ♦ |
| D12 feeling trapped | ♦ | ||
| D13 worry | ♦ | ♦ | |
| D14 worthless | ♦ | ♦ | |
| D15 headaches | ♦ | ||
| D16 stomachaches | ♦ | ||
| D17 general aches and pains | ♦ | ||
| D18 anger | ♦ | ||
| D19 thinking too much | ♦ | ||
| D20 confused | ♦ | ♦ | |
| D21 heart weakness | ♦ | ||
| D22 palpitations | ♦ | ||
| D23 heavy heart | ♦ | ||
| D24 heart pressure | ♦ | ||
| D25 heart pain | ♦ | ||
| D26 psychomotor | ♦ | ||
| D27 concentration | ♦ | ||
| D28 imp function | ♦ | ||
| D29 suicide | ♦ |