Table 1 Descriptive statistics of subjects' demographic characteristics
Characteristic | Subjects with LBP (n = 18) | Asymptomatic subjects (n = 15) | p-value |
|---|---|---|---|
Mean age (SD) | 33.9 (8.2) | 38.9 (8.0) | 0.085 |
Sex (%) | |||
Male | 4 (22.2%) | 9 (60%) | |
Female | 14 (77.8%) | 6 (40%) | 0.03 |
Mean height (SD) | 161.4 cm (7.9) | 163.4 cm (6.9) | 0.448 |
Mean body weight (SD) | 53.5 kg (9.5) | 58.5 kg (10.2) | 0.157 |
Mean years of working experience | 8.5 (4.8) | 12.0 (5.6) | 0.061 |
Average number of lifts per shift | 16.5(2.9) | 15.3(2.3) | 0.20 |
Professions | Teacher = 11 Health care professional = 5 Teaching assistant = 2 | Teacher = 10 Health care professional = 4 Teaching assistant = 1 |