An ASHA worker is conducting a home visit in a community setting to assess a family member for depression. Which depression screening tool is most appropriate to use in this setting?

1. A

   PHQ-9

2. B

   Hamilton Depression Rating Scale

3. C

   Beck Depression Inventory (BDI)

4. D

   Montgomery-Asberg Depression Rating Scale (MADRS)

Appeared in: NORCERT 8 Mains-2025

Explanation

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• The Patient Health Questionnaire-9 (PHQ-9) is a brief, 9-item self-administered screening tool specifically developed for use in primary care and community settings.
• It is easy to administer and score, requiring minimal training, which makes it ideal for community health workers like ASHA.
• The tool is designed for initial screening to identify individuals who may need further evaluation, aligning perfectly with the ASHA's role.
• It takes less than 5 minutes to complete, which is practical for home visits.

Why Other Options Were Wrong

• Option B: The Hamilton Depression Rating Scale (HAM-D) is a clinician-rated scale used to assess the severity of depression in patients who have already been diagnosed. It requires clinical judgment and training to administer correctly.
• Option C: The Beck Depression Inventory (BDI) is a 21-item self-report questionnaire that is more complex and lengthy than the PHQ-9. While it is a self-report tool, its primary use is in clinical settings to measure the severity of depression rather than for rapid community screening.
• Option D: The Montgomery-Asberg Depression Rating Scale (MADRS) is another clinician-rated scale. It was specifically designed to be sensitive to changes in depression severity, making it a common choice for clinical trials of antidepressants.

Related Visual

• Visual 1: Infographic - A comparative chart showing the key differences between PHQ-9, HAM-D, BDI, and MADRS in terms of purpose, administration, and setting.
• Visual 2: Flowchart - A simple flowchart illustrating the screening-to-referral pathway for an ASHA worker using the PHQ-9, from administering the test to referring the patient based on the score.

Clinical Relevance

• Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Appropriate use of depression screening tools in a community health setting as background academic context rather than a clinical decision trigger.
• Using the right tool for screening is crucial for patient safety and effective resource allocation. Using a complex diagnostic tool for screening can lead to misinterpretation and inappropriate referrals.
• ASHA workers are a vital link in the Indian public health system, especially for mental health. Equipping them with simple, validated tools like the PHQ-9 helps bridge the significant treatment gap for mental illness in the community.
• What if the patient scores 2 on item 9 ('Thoughts that you would be better off dead or of hurting yourself in some way')? Any score above 0 on this item, regardless of the total score, is a red flag. The ASHA worker must immediately escalate this to their supervisor and facilitate an urgent referral to the nearest health facility for a suicide risk assessment.

How to Approach the Question

• First, analyze the question's context. Identify the healthcare provider (ASHA worker), the setting (community/home visit), and the task (screening for depression).
• Recognize that an ASHA worker is a community health volunteer, not a trained mental health clinician. This implies the required tool must be simple, quick, and designed for lay administration.
• Evaluate each option based on these requirements.
• PHQ-9 is known as a brief screening tool for primary care. This fits the context.
• HAM-D and MADRS are clinician-rated scales for severity, not screening. This makes them unsuitable.
• BDI is longer and more suited for clinical settings than rapid community screening.

Concept Tested & Keywords

• Concept Tested: Appropriate use of depression screening tools in a community health setting.
• Stem keywords: ASHA worker, home visit, community setting, depression screening tool
• Lead-in keywords: most appropriate
• Clinical cues: The context of an ASHA worker in a community setting is key, as it points towards a need for a simple, non-specialist screening tool.

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