Generalized Anxiety Disorder 7-item (GAD-7) Scale
Assess anxiety severity with the validated GAD-7 scale. Complete all 7 items for accurate results.
Generalized Anxiety Disorder 7-item (GAD-7) Assessment
The GAD-7 measures the severity of generalized anxiety disorder symptoms based on 7 items, each rated from 0-3:
Anxiety Severity Interpretation:
- Minimal Anxiety: 0-4 points
- Mild Anxiety: 5-9 points
- Moderate Anxiety: 10-14 points
- Severe Anxiety: 15-21 points
Anxiety Severity Assessment
Severity Level
Complete the assessment to see your results
Anxiety Level Visualization
Minimal
Mild
Moderate
Severe
Your Score Position
Recommendations
- Complete all 7 items for accurate results
About the GAD-7 Scale
Definition
The Generalized Anxiety Disorder 7-item (GAD-7) scale is a brief self-report measure for assessing the severity of generalized anxiety disorder symptoms. Developed by Spitzer et al. in 2006, it is widely used in clinical and research settings for its reliability and validity.
Scoring Method
Each of the 7 items is rated on a 4-point scale from 0 (not at all) to 3 (nearly every day). The sum of all item scores provides the total anxiety score:
- 0-4: Minimal anxiety
- 5-9: Mild anxiety
- 10-14: Moderate anxiety
- 15-21: Severe anxiety
The GAD-7 has shown good diagnostic performance with sensitivity of 89% and specificity of 82% for GAD at a cut-off of ≥10.
Important Disclaimers
- This is a screening tool, not a diagnostic instrument
- Results should not be used as a sole basis for diagnosis
- Always consult with a qualified mental health professional
- If experiencing severe distress, seek immediate help
- Valid for adults aged 18 and older
GAD-7 Knowledge Quiz
Question 1
How many items are included in the GAD-7 scale?
The correct answer is B) 7. The GAD-7 scale consists of exactly 7 items, each rated on a 4-point scale from 0 to 3.
Question 2
What score range indicates moderate anxiety on the GAD-7?
The correct answer is C) 10-14. According to the standard GAD-7 scoring, scores between 10-14 indicate moderate anxiety.
Q&A
Q: How accurate is the GAD-7 scale in detecting generalized anxiety disorder?
A: The GAD-7 demonstrates excellent psychometric properties for detecting generalized anxiety disorder. Research shows:
Diagnostic Accuracy:
- Sensitivity: 89% at cutoff ≥10 (identifies 89% of actual cases)
- Specificity: 82% at cutoff ≥10 (correctly excludes 82% of non-cases)
- Positive Predictive Value: 65% at prevalence of 10%
- Internal Consistency: α = 0.92 (excellent reliability)
At the optimal cutoff of ≥10, the GAD-7 has shown good discrimination between GAD patients and controls (AUC = 0.81). However, like any screening tool, positive results should be followed by clinical interview for confirmation.
Q: Can the GAD-7 be used for tracking treatment progress?
A: Yes, the GAD-7 is excellent for monitoring treatment progress due to its sensitivity to change. Studies show:
Treatment Monitoring Capabilities:
- Responsiveness: Significant decreases in scores correlate with clinical improvement
- Minimal Important Difference: Change of 3-4 points represents meaningful clinical improvement
- Test-Retest Reliability: r = 0.83, indicating stability over time
- Practical Application: Can be administered weekly or monthly to track progress
Research indicates that a 50% reduction in GAD-7 scores from baseline is associated with clinically significant improvement. The scale is sensitive enough to detect small but meaningful changes in anxiety symptoms over time, making it valuable for both clinical and research applications.