Dizziness Handicap Inventory (DHI) Calculator

Please rate how dizziness affects you in each of the following situations by selecting the option that best describes your experience. The calculator will sum your responses to provide a Dizziness Handicap score.

1. Reading or looking at a computer screen:

0 = No handicap, 8 = Severe handicap

2. Reading the newspaper:

3. Using the telephone:

4. Hearing ability (e.g., distinguishing speech from background noise):

5. Ability to perform job/work responsibilities:

6. Ability to perform household chores:

7. Participation in social activities:

8. Ability to drive a car:

9. Ability to walk in public places:

10. Ability to walk in uneven surfaces (e.g., grass, gravel):

11. Ability to walk in crowded places:

12. Ability to walk in shopping malls or large stores:

13. Ability to walk in confined spaces (e.g., elevators, small rooms):

14. Ability to climb stairs:

15. Ability to get into or out of bed:

16. Ability to turn head quickly:

17. Ability to bend over:

18. Ability to reach for something above your head:

19. Ability to perform vigorous activity (e.g., exercise, sports):

20. Ability to perform light activity (e.g., cooking, gardening):

21. Ability to relax or sleep:

22. Ability to concentrate or pay attention:

23. Ability to remember things:

24. Ability to travel by car, bus, train, or airplane:

25. Ability to drive a car at night:

26. Ability to drive a car in traffic:

27. Ability to walk on a moving surface (e.g., deck of a ship):

28. Ability to walk on a slippery surface:

29. Ability to walk on the beach:

30. Ability to walk on sand:

Your DHI Score will appear here.

How DHI is Interpreted

The DHI score ranges from 0 to 100. The higher the score, the greater the perceived handicap due to dizziness.

0-16: Mild Handicap
18-36: Moderate Handicap
38-100: Severe Handicap

This calculator is for informational purposes only and does not substitute professional medical advice. Consult with a healthcare provider for diagnosis and treatment.

Understanding and Calculating Your Dizziness Handicap Inventory (DHI) Score

What is the Dizziness Handicap Inventory (DHI)?

The Dizziness Handicap Inventory (DHI) is a self-administered questionnaire designed to measure the subjective level of disability or handicap experienced by individuals with dizziness and balance disorders. It assesses how symptoms of dizziness impact a person’s daily life across three main categories: **Functional**, **Emotional**, and **Physical**. It’s a crucial tool for healthcare professionals, including audiologists, otolaryngologists, neurologists, and physical therapists, to understand the practical consequences of a patient’s vestibular dysfunction.

Individuals experiencing any form of dizziness, vertigo, or imbalance, regardless of the underlying cause, can benefit from completing the DHI. It helps them quantify their experience and communicate the severity of their symptoms to their healthcare providers. Common misunderstandings might arise regarding what constitutes ‘dizziness’ (e.g., differentiating true vertigo from lightheadedness or disequilibrium) and how the scoring accurately reflects subjective experience rather than objective physiological impairment.

DHI Formula and Explanation

The DHI calculator works by summing the numerical values assigned to the patient’s responses to each of the 25 questions. Each question is rated on a scale of 0, 2, 4, 6, or 8, representing the perceived handicap from “Never” to “Almost Always”.

The total score is calculated as follows:

Total DHI Score = Σ (Score for Question 1 + Score for Question 2 + … + Score for Question 30)

DHI Variables Table

DHI Questionnaire Variables
Question Number	Description	Score Options	Handicap Value
1-30	Specific daily activities/situations impacted by dizziness	Never, Rarely, Sometimes, Often, Almost Always	0, 2, 4, 6, 8

Note: The DHI calculator uses 30 questions as per the standard version. Each question is scored based on the degree of handicap perceived by the individual.

Practical Examples

Let’s illustrate how the DHI score is calculated with two hypothetical scenarios:

Example 1: Mild Dizziness Impact

Patient A experiences occasional brief moments of unsteadiness when turning their head quickly and sometimes feels a bit unsteady walking in crowded places. They select:

Question 16 (Ability to turn head quickly): Rarely (2)
Question 11 (Ability to walk in crowded places): Sometimes (4)
All other 28 questions: Never (0)

Calculation: (2 + 4) + (28 * 0) = 6

Result: Patient A’s DHI score is 6. This falls into the Mild Handicap category.

Example 2: Significant Dizziness Impact

Patient B feels constantly off-balance, finds it difficult to concentrate, and avoids driving in traffic or at night. They select:

Question 22 (Ability to concentrate): Often (6)
Question 26 (Ability to drive in traffic): Almost Always (8)
Question 25 (Ability to drive at night): Almost Always (8)
Question 9 (Ability to walk in public places): Often (6)
Question 10 (Ability to walk in uneven surfaces): Often (6)
Question 14 (Ability to climb stairs): Sometimes (4)
Question 19 (Ability to perform vigorous activity): Often (6)
Question 24 (Ability to travel): Often (6)
All other 22 questions: Rarely (2)

Calculation: (6 + 8 + 8 + 6 + 6 + 4 + 6 + 6) + (22 * 2) = 54 + 44 = 98

Result: Patient B’s DHI score is 98. This falls into the Severe Handicap category, indicating a significant impact on their daily functioning.

How to Use This Dizziness Handicap Inventory (DHI) Calculator

Using the DHI calculator is straightforward. Follow these steps to assess your perceived handicap:

Read Each Question Carefully: Understand what each item is asking about a specific situation or activity.
Select Your Response: For each of the 30 questions, choose the option that best describes how often dizziness affects you in that situation: Never (0), Rarely (2), Sometimes (4), Often (6), or Almost Always (8).
Input Your Scores: Ensure each of the 30 dropdown menus is set to your chosen response.
Click Calculate: Press the “Calculate DHI Score” button.
View Your Score: The calculator will display your total DHI score.
Interpret the Results: Compare your score to the provided interpretation guidelines (Mild, Moderate, Severe Handicap).
Reset if Needed: Use the “Reset” button to clear all selections and start over.
Copy Results: Use the “Copy Results” button to save your score and interpretation for your records or to share with a healthcare professional.

Selecting Correct Units: For the DHI, there are no external units like ‘kg’ or ‘meters’. The ‘unit’ is the response itself, translated into a numerical score (0, 2, 4, 6, 8). The interpretation of the final score is the key ‘unit’ of understanding.

Interpreting Results: The DHI score provides a measure of your subjective experience. A high score suggests that dizziness is significantly limiting your quality of life and functional abilities, warranting further investigation and management by a healthcare provider.

Key Factors That Affect Dizziness Handicap

Several factors can influence the perceived handicap associated with dizziness:

Type of Vestibular Disorder: Conditions like Benign Paroxysmal Positional Vertigo (BPPV), Meniere’s disease, vestibular neuritis, or labyrinthitis present with different symptoms and impacts.
Severity and Frequency of Symptoms: Constant, severe vertigo will likely result in a higher DHI score than infrequent, mild dizziness.
Coping Mechanisms: An individual’s ability to adapt or develop compensatory strategies can influence their perceived handicap.
Psychological Impact: Anxiety, fear, and depression often co-occur with vestibular disorders and can significantly amplify the feeling of handicap. Learn more about [anxiety and dizziness](internal-link-to-anxiety-dizziness-page).
Functional Limitations: Pre-existing physical limitations or certain job requirements may exacerbate the impact of dizziness.
Social Support System: Having a supportive network can mitigate the emotional toll of chronic dizziness.
Treatment Efficacy: The effectiveness of treatments, such as vestibular rehabilitation therapy, can directly reduce the handicap. Explore [vestibular rehabilitation](internal-link-to-vestibular-rehab-page).
Environmental Triggers: Specific environments (e.g., busy stores, driving) might consistently trigger symptoms, leading to avoidance and a higher handicap score.

Frequently Asked Questions (FAQ) about the DHI

What is a normal DHI score?

A normal or minimal handicap score is typically considered to be between 0 and 16. Scores above this suggest a noticeable impact from dizziness.

Can the DHI be used for children?

While modified versions or adaptations might exist, the standard DHI is designed for adults. Specific pediatric balance and dizziness assessments are typically used for children.

Does the DHI diagnose the cause of dizziness?

No, the DHI does not diagnose the specific medical cause of dizziness. It measures the *impact* or *handicap* of dizziness on a person’s life. A diagnosis requires a clinical evaluation by a healthcare professional.

How often should I retake the DHI?

You might retake the DHI periodically, especially after starting a new treatment or if your symptoms change significantly. Discuss the appropriate timing with your healthcare provider to track progress.

What does a DHI score of 50 mean?

A DHI score of 50 falls into the ‘Severe Handicap’ category (38-100), indicating that dizziness is having a substantial negative impact on multiple areas of your life, including functional, emotional, and physical well-being.

How is DHI different from other balance tests?

Objective balance tests (like posturography or gait analysis) measure physical performance. The DHI is a *subjective* measure, reflecting the individual’s personal experience and perceived disability.

Can my DHI score improve?

Yes, DHI scores can improve with effective treatment, such as medication, vestibular rehabilitation therapy, lifestyle adjustments, or addressing underlying conditions. Regular re-assessment helps monitor improvement.

What if I have trouble understanding a question?

If you are unsure about a question, try to answer based on your most typical experience. If you are completing this with a healthcare provider, ask them for clarification. The goal is to reflect your genuine experience.