Whodas 2.0 Calculator

The World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) is a standardized questionnaire used to measure health-related quality of life. This calculator helps you calculate your WHODAS 2.0 score based on your responses to the questionnaire items.

What is WHODAS 2.0?

WHODAS 2.0 is an updated version of the original WHODAS questionnaire, designed to assess health-related quality of life across different domains including physical function, role limitations, pain, and general health. It consists of 30 items that respondents rate on a 5-point scale (0 = no problem to 4 = extreme problem).

The questionnaire is available in multiple languages and has been validated for use in various populations worldwide.

Key Features of WHODAS 2.0

Assesses health-related quality of life across multiple domains
Provides both a total score and domain-specific scores
Can be used in clinical and research settings
Available in multiple languages

WHODAS 2.0 Domains

The questionnaire includes scores for the following domains:

Physical Function
Role Limitations - Emotional
Role Limitations - Physical
Energy/Fatigue
Pain
General Health

How to Use This Calculator

To use this calculator:

Complete the WHODAS 2.0 questionnaire by rating each of the 30 items on a scale from 0 to 4
Enter your responses into the calculator
Click "Calculate" to get your WHODAS 2.0 score
Review the interpretation of your results

Formula: The total score is calculated by summing the responses to all 30 items. Domain-specific scores are calculated by summing the responses to the items within each domain.

Scoring System

Each item is scored from 0 to 4, with higher scores indicating more severe problems. The total score ranges from 0 to 120, with higher scores indicating worse health-related quality of life.

Interpreting Results

WHODAS 2.0 scores are interpreted as follows:

Score Range	Interpretation
0-20	Excellent health-related quality of life
21-40	Good health-related quality of life
41-60	Fair health-related quality of life
61-80	Poor health-related quality of life
81-120	Very poor health-related quality of life

Domain-specific scores can also be used to identify specific areas of concern. Scores above 10 in any domain may indicate significant problems in that area.

Worked Example

Let's calculate a sample WHODAS 2.0 score. Suppose a respondent answers:

All items in the Physical Function domain: 1
All items in the Role Limitations - Emotional domain: 2
All items in the Role Limitations - Physical domain: 1
All items in the Energy/Fatigue domain: 0
All items in the Pain domain: 1
All items in the General Health domain: 0

Calculation:

Physical Function: 5 items × 1 = 5

Role Limitations - Emotional: 5 items × 2 = 10

Role Limitations - Physical: 5 items × 1 = 5

Energy/Fatigue: 5 items × 0 = 0

Pain: 5 items × 1 = 5

General Health: 5 items × 0 = 0

Total Score: 5 + 10 + 5 + 0 + 5 + 0 = 25

This score of 25 falls in the "Good" range, indicating good health-related quality of life.

FAQ

What is the difference between WHODAS 2.0 and the original WHODAS?

WHODAS 2.0 is an updated version of the original WHODAS with improved reliability and validity. It includes additional items and has been validated for use in different populations.

How long does it take to complete the WHODAS 2.0 questionnaire?

Most respondents complete the questionnaire in about 5-10 minutes. The exact time may vary depending on the individual's level of detail in their responses.

Can WHODAS 2.0 be used for children?

WHODAS 2.0 is typically used for adults aged 18 and older. There are separate versions available for children and adolescents.

How often should WHODAS 2.0 be administered?

WHODAS 2.0 can be administered at baseline and then repeated at regular intervals to track changes in health-related quality of life over time.