Table 1.
Demographic and clinical characteristics of the study groups.
| Acupressure (n = 31) | Sham control (n = 31) | P value (between group) | |
|---|---|---|---|
| Agea (range 46–88) | 71.23 ± 7.09 | 70.74 ± 8.09 | .803 |
| BMIa | 27.19 ± 3.08 | 28.73 ± 4.14 | .103 |
| Genderb | |||
| Male | 3 (9.7) | 6 (19.4) | .473 |
| Female | 28 (90.3) | 25 (80.6) | |
| Religious belief b | |||
| Yes | 27 (87.1) | 23 (74.2) | .335 |
| No | 4 (12.9) | 8 (25.8) | |
| Marital statusb | |||
| Married | 18 (58.1) | 23 (74.2) | .283 |
| Widowed/separated | 13 (41.9) | 8 (25.8) | |
| Educationb | |||
| Illiterate | 11 (35.5) | 9 (29.0) | .786 |
| Primary school or higher | 20 (64.5) | 22 (71.0) | |
| Occupationb | |||
| No | 29 (93.5) | 24 (77.4) | .147 |
| Yes | 2 (6.5) | 7 (22.6) | |
| Joint replacement historya | |||
| Yes | 5 (16.1) | 4 (12.9) | 1.00 |
| No | 26 (83.9) | 27 (87.1) | |
| Surgical siteb | |||
| Left | 14 (45.2) | 17 (54.8) | .612 |
| Right | 17 (54.8) | 14 (45.2) |
aIndependent t-test; bChi-Square test.