Table 1.
Participant Demographic and Baseline Characteristics
| Characteristics* | Non- penetrating Acupuncture N=109 | True Acupuncture N=104 | p-Value Non-penetrating/True |
|---|---|---|---|
| Demographic | |||
|
| |||
| Age | 60.4 (11.7) | 60.5 (11.1) | 0.934 |
| Female | 57 (52.3%) | 53 (51%) | |
| Race | |||
| White | 34 (31.2%) | 28 (26.9%) | 0.629 |
| African American | 69 (63.3%) | 72 (69.2%) | |
| Other | 6 (5.5%) | 4 (3.8%) | |
| Currently Married | 37 (33.9%) | 40 (38.5%) | 0.493 |
| Work Outside the Home | 34 (31.2%) | 30 (28.8%) | 0.709. |
|
| |||
| Clinical | |||
|
| |||
| BMI* (Mean kg/m2 (95% CL)) | 32.6 (31.2, 33.9) | 33.3 (31.8, 34.9) | 0.690 |
| <=35 (n, %) | 75 (70.1%) | 67 (69.8%) | |
| >35 (n, %) | 32 (29.9%) | 29 (30.2%) | |
| Kellgren (Worst Knee) | |||
| 2 | 47 (43.1%) | 38 (36.5%) | 0.243 |
| 3 | 62 (56.9%) | 66 (63.5%) | |
| Pain Duration (Yrs) | 9.4 (9.2) | 9.6 (9.9) | 0.997 |
| WOMAC | 44.0 (15.7) | 47.6 (14.7) | 0.097 |
| BPI | 5.7 (1.9) | 5.6 (2.0) | 0.528 |
| 6 Min Walk Distance (meter) | 1126 (289) | 1032 (314) | 0.021 |
|
| |||
| Psychological | |||
|
| |||
| Perceived Helpfulness | |||
| Maybe | 57 (52.3%) | 52 (50%) | 0.738 |
| Yes | 52 (47.7%) | 52 (50%) | |
Abbreviation: BMI=body mass index; Yrs=Years; BPI=Brief Pain Inventory, Min=minutes