Table 1. Baseline characteristics of the participants.
| Characteristics | BCP | CON | Total |
|---|---|---|---|
| Number of patients | 26 | 26 | 52 |
| Age (years); Mean±SD | 38.5±11.0 | 39.7±12.2 | 39.1±11.5 |
| 20–29 years; n (%) | 7 (27.0) | 7 (27.0) | 14 (27.0) |
| 30–39 years; n (%) | 7 (27.0) | 7 (27.0) | 14 (27.0) |
| Male 40–69 years; n (%) | 6 (23.0) | 6 (23.0) | 12 (23.0) |
| Female 40–69 years; n (%) | 6 (23.0) | 6 (23.0) | 12 (23.0) |
| Gender; n of female | 11 (42.3) | 13 (50.0) | 24 (46.2) |
| Weight (kg); Mean±SD | 60.0± 10.2 | 62.3±8.1 | 61.1±9.2 |
| Height (cm); Mean±SD | 160.5±7.3 | 164.4±7.8 | 162.4±7.8 |
| BMI; Mean±SD | 23.2±3.0 | 23.0±2.2 | 23.1±2.6 |
BCP: Back care pillow group; CON: Control group; SD: Standard deviation; BMI: Body mass index