Use the GAD-7 when the clinical question centers on a brief measure of generalized anxiety symptoms. Consider the BAI when a 21-item, physical and panic-related symptom profile fits the assessment purpose. Neither score diagnoses an anxiety disorder. Survey Doctor administers the GAD-7 but provides BAI information only.
Compare the constructs before the totals
The two questionnaires overlap, but they were developed for different purposes and should not be treated as interchangeable forms.
Purpose comes first.
| Feature | GAD-7 | BAI |
|---|---|---|
| Main emphasis | Generalized anxiety symptoms, including worry and difficulty relaxing | Subjective, physical, and panic-related anxiety symptoms |
| Recall period | Past two weeks | Past week |
| Scored responses | 7 ratings from 0 to 3 | 21 ratings from 0 to 3 |
| Total | 0 to 21 | 0 to 63 |
| Common bands | 0-4, 5-9, 10-14, 15-21 | 0-7, 8-15, 16-25, 26-63 |
| Direct suicide or self-harm item | No | No |
| Survey Doctor support | Native administration and score-only manual entry | Information page only; not administered |
The GAD-7 was developed as a brief self-report measure for probable generalized anxiety disorder in adult primary care. In Spitzer et al. (2006), 2,740 adults completed the questionnaire and 965 received an independent interview. A score of 10 had 89% sensitivity and 82% specificity in that criterion sample.
Those estimates are not universal. Setting, population, language, and reference assessment can change screening performance.
The current Pearson record describes the BAI as 21 ratings of subjective, physical, or panic-related anxiety symptoms. Beck and colleagues introduced it in a 1988 study of psychiatric outpatients.
The difference is an emphasis, not a clean mind-versus-body split. Do not infer a specific disorder or treatment response from disagreement between the scores.
Interpret each score on its own scale
The GAD-7 is a straight sum. Its four bands describe symptom frequency during the past two weeks. A total of 10 can support further assessment, but it does not confirm generalized anxiety disorder or rule out another anxiety presentation.
The BAI is also a straight sum. The common bands are:
- 0 to 7: minimal range
- 8 to 15: mild range
- 16 to 25: moderate range
- 26 to 63: severe range
The NINDS Common Data Elements record lists those bands. They are severity descriptions, not diagnostic categories.
A score of 16 is sometimes used as a BAI screening boundary. A 2025 Cochrane review found limited sensitivity at that boundary for any anxiety disorder and substantial differences among studies. Do not use it as a universal rule-in or rule-out threshold.
Never compare the raw totals directly. A GAD-7 score of 12 and a BAI score of 12 do not represent the same symptom amount, band, or timeframe.
Keep the scales separate.
Account for physical symptoms
The BAI's physical-symptom emphasis may be relevant when the assessment question includes panic-related or bodily experiences. It also requires medical context.
The NINDS record notes that physical symptoms can raise BAI totals in people with medical conditions. Illness, medication effects, sleep problems, and substance effects can resemble or add to anxiety symptoms. A high BAI total cannot establish which cause is responsible.
The GAD-7 is not immune to clinical overlap. Its result also cannot separate an anxiety disorder from stress, trauma reactions, depression, a medical condition, medication, or substance effects.
New or concerning physical symptoms require appropriate medical assessment regardless of either score.
Context matters.
Match the measure to the workflow
Choose the questionnaire after defining the population, purpose, follow-up path, and result reviewer.
The GAD-7 may fit a workflow that needs a brief generalized-anxiety symptom total, four supported bands, and repeated measurement on the same form. Survey Doctor requires all seven native answers. It stores an optional functional-difficulty response separately when that question appears.
Manual GAD-7 entry accepts one whole-number total from 0 to 21. That record does not prove which items were endorsed, whether the native form was complete, or whether functional difficulty was collected. Some older imported summaries used incompatible wording or answer anchors and remain outside current bands and trends.
Provenance matters.
Survey Doctor does not administer the BAI. A provider using it must follow the publisher's current administration and scoring materials. Survey Doctor's BAI coverage is informational and reproduces no questionnaire items.
Do not turn disagreement into a diagnosis
Different totals may reflect the measures' symptom emphasis, timeframes, response patterns, health context, or ordinary measurement variation. A high result on one and low result on the other does not by itself establish panic disorder, generalized anxiety disorder, or a particular treatment target.
Review the answers, functioning, medical history, medications, substance use, stressors, and clinical interview. When repeating a measure, keep the form, timeframe, and administration conditions consistent.
Neither questionnaire contains a direct suicide or self-harm item. Use a separate safety assessment whenever history or presentation raises concern.
If you need help now. In the US, Call 988 or text 988. Call 911 if you are in immediate danger. Outside the US, contact your local emergency number or find support in your country.
The practical rule
Use the GAD-7 for a concise generalized-anxiety symptom summary. Use the BAI only when its broader physical and panic-related emphasis serves a defined assessment purpose and medical causes are considered. Use neither score as a diagnosis or treatment selector.
For patient-facing context, see do I have anxiety?. For GAD-7 scoring details, read what your GAD-7 score means.