Table 4.
Major questionnaires used frequently to assess depression
| Questionnaire | Item | Period of assessment | Score range |
|---|---|---|---|
| Beck Depression Index (BDI) | 7,13, or 21 | Today | 0–63 |
| Center for Epidemiologic Study Depression Scale (CES-D) | 10 or 20 | Past 1 week | 0–63 |
| Depression Scale (DEPS) | 10 | Last month | 0–30 |
| Duke Anxiety and Depression Scale (DADS) | 7 | Past 1 week | 0–100 |
| Geriatric Depression Scale (GDS) | 15 or 30 | Past 1 week | 0–30 |
| Hopkins Symptom Checklist (HSCL) | 13 or 25 | Past 1 week | 25–100 |
| Primary Care Evaluation of Mental Disorders (PRIME-MD) | 2 | Past 1 month | 0–2 |
| PRIME-MD Patient Health Questionnaire (PHQ) | 9 | Past 2 weeks | 0–9 |
| Profile of Mood State (POMS) | 15 for depression | Past 1 week | 0–60 |
| Symptom Driven Diagnostic System–Primary Care (SDDS-PC) | 5 | Past 1 month | 0–5 |
| Zung Self-assessment Depression Scale (SDS) | 20 | Recently | 20–80 |
| Single Question (SQ) | 1 | Past 1 year | 0–1 |
| WHO-5 Wellbeing Index | 5 | Past 2 weeks | 0–25 |