Table 1

The Prince Henry Hospital akathisia rating scale*

Reprinted from Biological Psychiatry*, 35,⁴ Sachdev P. A rating scale for acute drug-induced akathisia: development, reliability, and validity, pp. 270–1, Copyright (1994) with permission from Society of Biological Psychiatry.
Global rating (by rater): 0—absent; 1—mild; 2—moderate; 3—severe.
OBJECTIVE RATINGS: (ratings by observer)
I. Sitting
1. Semipurposeful/purposeless leg/feet movement	0	1	2	3
2. Semipurposeful hand/arm movements	0	1	2	3
3. Shifting body position in chair	0	1	2	3
4. Inability to remain seated	0	1	2	3
II. Standing
1. Purposeless/semipurposeless leg/feetmovements	0	1	2	3
2. Shifting weight from foot-to-foot and/orwalking on spot	0	1	2	3
3. Inability to remain standing on one spot(walking or pacing)	0	1	2	3
Sum Score
SUBJECTIVE RATINGS: (three questions were asked)
1. Do you feel restless, or urge to move, especiallyin the legs?	0	1	2	3
2. Are you unable to keep your legs still?	0	1	2	3
3. Are you unable to remain still, standing orsitting?	0	1	2	3
Key: 0–3: absent, mild, moderate, severe
0—absent
1—mild and present some of time
2—mild and present most of the time or severe and present some of the time
3—severe and present all the time
Sum Score
Total Score