IDS/QIDS
Inventory of Depressive Symptomatology (IDS) and Quick Inventory of Depressive Symptomatology (QIDS)
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INTERPRETATION

1Severity of Depression. 0=None, 1=Mild, 2=Moderate, 3=Severe, 4=Very Severe.

Note. IDS-C (Inventory of Depressive Symptoms-Clinician rated, 30 item); IDS-SR (Inventory of Depressive Symptoms-Self Report, 30 item); QIDS-C (Quick Inventory of Depressive Symptoms-Clinician rated, 16 item); QIDS-SR (Quick Inventory of Depressive Symptoms-Self Report, 16 item); HRSD (Hamilton Rating Scale for Depression, 17, 21, 24 item); MADRS (Montgomery Asberg Depression Rating Scale), Beck Depression Inventory (BDI). Adapted from (Rush et al. 2003, Trivedi et al. 2004).

Conversion Between IDS-SR and QIDS-SR, Total Scores and HRSD17, HRSD21 and HRSD24 Total Scores Using IRT Analysis
Severity1 IDS-SR QIDS-SR HRSD17 HRSD21 HRSD24

1Severity of Depression. 0=None, 1=Mild, 2=Moderate, 3=Severe, 4=Very Severe.

Note. IDS-SR (Inventory of Depressive Symptoms-Self Report, 30 item); QIDS-SR (Quick Inventory of Depressive Symptoms-Self Report, 16 item); HRSD (Hamilton Rating Scale for Depression, 17, 21, 24 item). Derived from Rush et al. 2003.

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