Table 1.
Baseline demographic and visit characteristics by expectations condition (N = 311)
| Variable | High Expectations (N = 157) |
Neutral Expectations (N = 154) |
P Value |
|---|---|---|---|
| Mean Age (SD) | 65.2 (9.0) | 64.0 (8.0) | .26 |
| Female (%) | 66 | 62 | .09 |
| Ethnicity: | .18 | ||
| African-American (%) | 15 | 18 | |
| Caucasian (%) | 69 | 71 | |
| Hispanic (%) | 9 | 9 | |
| Other (%) | 7 | 2 | |
| Education: | .22 | ||
| High school or less (%) | 22 | 21 | |
| Some college (%) | 31 | 23 | |
| College/post grad degree (%) | 47 | 56 | |
| Baseline Scores: | |||
| Duration of knee pain—years (SD) | 8.6 (9.7) | 8.7 (9.4) | 0.97 |
| Efficacy expectations—acupuncture range 1–5 (SD) | 3.6 (0.5) | 3.6 (0.6) | 0.98 |
| WOMAC function—range 0–100 (SD) | 44.6 (18.3) | 44.4 (17.4) | .95 |
| WOMAC pain—range 0–100 (SD) | 44.8 (18.4) | 35.9 (18.0) | .59 |