Table 1 Participant characteristics at baseline
Characteristic | Overall (n = 81) | Active SMT (n = 40) | Placebo SMT (n = 41) |
|---|---|---|---|
Gender, no. (%) | |||
Women | 42 (52) | 15 (38) | 27 (66) |
Men | 39 (48) | 25 (62) | 14 (34) |
Other or prefer not to say | 0 (0) | 0 (0) | 0 (0) |
Age—yrs, mean (SD) | 39.1 (13.2) | 39.3 (13.0) | 39.0 (13.6) |
Weight—kg, mean (SD) | 72.3 (14.3) | 72.9 (13.1) | 71.7 (15.6) |
Height—cm, mean (SD) | 172.4 (9.7) | 174.3 (9.9) | 170.5 (9.4) |
Body mass index—kg/m2, mean (SD) | 24.2 (3.8) | 23.8 (2.6) | 24.5 (4.7) |
SMT lifetime experience, No. (%)a | 41 (51) | 19 (48) | 22 (54) |
Recent LBP, no. (%)b | 29 (36) | 12 (30) | 17 (41) |
SMT three-month experience, No. (%)c | 4 (5) | 2 (5) | 2 (5) |
LBP average intensity in past four weeks—NRS, mean (SD)d | 2.4 (2.5) | 2.0 (2.2) | 2.7 (2.7) |
ROM—degrees, mean (SD)e | |||
Flexion | 116.8 (17.4) | 114.7 (19.2) | 118.8 (15.6) |
Extension | 32.3 (11.9) | 32.2 (11.2) | 32.3 (12.7) |
Total | 149.0 (24.2) | 147.0 (23.1) | 151.1 (25.3) |