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The GAD-7 (Generalised Anxiety Disorder 7-item scale) is a validated screening tool developed by Spitzer et al (2006) for detecting and measuring the severity of generalised anxiety disorder. It is widely used in NHS primary care as part of the IAPT (Improving Access to Psychological Therapies) programme.
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- 17 questions rated 0 (not at all) to 3 (nearly every day)
- 2Total score 0–4: minimal | 5–9: mild | 10–14: moderate | 15–21: severe
- 3A score ≥ 10 has 89% sensitivity and 82% specificity for GAD
- 4Also used as a screening tool for panic disorder, social anxiety, and PTSD
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What is Anxiety Calc?
The GAD-7 (Generalised Anxiety Disorder 7-item scale) is a validated screening tool developed by Spitzer et al (2006) for detecting and measuring the severity of generalised anxiety disorder. It is widely used in NHS primary care as part of the IAPT (Improving Access to Psychological Therapies) programme
How accurate is the Anxiety Calc calculator?
The calculator uses the standard published formula for anxiety calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Anxiety Calc calculator use?
This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Anxiety Calc calculator use?
The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.
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