A Survey Doctor HAM-A result is a clinician-rated total from 0 to 56. The site displays four score bands, but they do not diagnose or direct treatment. HAM-A forms and interview methods differ, so compare results only when the same version, recall period, scoring rules, and rating method were used.
HAM-A score ranges on Survey Doctor
| Total score | Current display label |
|---|---|
| 0-7 | No or minimal anxiety |
| 8-14 | Mild anxiety |
| 15-23 | Moderate anxiety |
| 24-56 | Severe anxiety |
Survey Doctor currently displays these labels. They trace to a four-week trial of 144 adults with generalized anxiety disorder whose authors called the ranges a first step and said larger studies were needed.
Other publications use different boundaries. A result should name its cutoffs instead of treating one set of bands as universal.
What the total represents
The HAM-A combines 14 clinician ratings. Each contributes 0 to 4 points in the University of Florida reference form. The ratings cover mental symptoms, physical symptoms, and behavior seen during the interview.
Some sources group the ratings into mental and physical parts. Survey Doctor stores and displays the total only. It does not calculate those parts, so the total cannot show which group contributed more.
The total rates symptoms under one interview method. Its role is narrow. It does not diagnose an anxiety disorder, identify the cause, measure daily functioning, or select treatment.
Why the version and interview method matter
Hamilton's original 1959 paper introduced a clinician rating for anxiety states. Later forms added edited descriptions and new interview methods. The original method did not set one fixed recall period or provide standard follow-up questions.
In a study of 89 treatment-seeking adults at three specialty sites, a structured interview guide produced higher totals than the traditional format. The interview method can affect the total. Record it when comparing scores.
HAM-A forms can differ in their questions, anchors, and interview instructions. Record the exact form and interview method before comparing results.
Reading change over time
A lower repeated total means that the ratings summed to fewer points. Do not infer recovery. The number cannot prove why the change occurred. A higher total also cannot prove that one condition worsened.
Compare results only when the clinician used the same edition, recall period, interview method, and scoring convention. Review which symptoms changed, how daily life is affected, and whether health or medication changes could have influenced physical ratings.
There is no universal change threshold that fits every HAM-A use. A percentage drop used in one trial is a study rule, not a diagnosis or treatment rule for one person.
Important limits
Physical ratings can overlap with medical conditions, medication effects, or other causes. Context changes ratings. A study by Maier and colleagues found reasonably consistent ratings in its samples but also found problems in how the items worked together and in separating some medication effects.
Depression symptoms can also contribute to a HAM-A total. If a clinician is separately rating depression, the HAM-D score guide explains that measure. HAM-A and HAM-D totals are not interchangeable.
HAM-A versus GAD-7
The HAM-A is rated by a clinician from interview and observation. The GAD-7 is a separate questionnaire that the patient answers. These tools differ. One is not a shorter version of the other, and their totals should not be compared directly.
A questionnaire the patient answers may help when a clinician interview is not available. A clinician rating can include observation and follow-up questions. The right choice depends on the people being assessed, the purpose, the study rules, and available follow-up.
Safety is separate from the HAM-A total
The HAM-A does not directly ask about suicide or self-harm. A low total says nothing about current safety. Safety needs its own check. Get immediate help if you may act on these thoughts or cannot keep yourself safe. Treat any other life-threatening emergency with the same urgency.
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 useful bottom line
Read a HAM-A total under the exact scoring convention that produced it. Survey Doctor's bands describe its current display, not universal diagnoses. Use the item ratings, interview context, and daily functioning to understand what needs review.