Table 2.
Low Psych | High Psych | ||
---|---|---|---|
Variable | (n=21) | (n=19) | Sig |
Expectations | |||
Acupuncture session | 2.9 | 3.7 | NS |
Placebo session | 2.7 | 4.1 | p=.03 |
*at session start patients rated expected pain level after the treatment (0–10); lower value=greater expectations | |||
Group X Treatment X Acup. Expectations Interaction |
p=.002 (F=11.3) |
||
Group X Treatment X Plac. Expectations Interaction | NS | ||
Perceived treatment/ efectiveness of the blind. | |||
% guessing correctly at end of session | |||
Acupuncture session | 90 | 89 | NS |
Placebo session | 41 | 59 | NS |
Randomization order | NS | ||
Random Order X Perceived Treatment Interaction | |||
**if the patient had acupuncture at the 1st or 2nd session, did that influence whether they guessed correctly? | |||
Acupuncture session | NS | ||
Placebo session | NS |