Characteristics of the participants
| n | All | Office A | Office B | Office C |
| 29 | 8 | 8 | 13 | |
| Age, median (IQR) | 38.0 (28.0–45.0) | 43.5 (37.0–46.5) | 41.5 (29.5–46.0) | 32.0 (27.0–38.0) |
| Sex, n (%) | ||||
| Male | 26 (90) | 6 (75) | 7 (88) | 13 (100) |
| Female | 3 (10) | 2 (25) | 1 (12) | 0 (0) |
| BMI, median (IQR) | 21.9 (20.2–24.6) | 20.9 (19.9–23.8) | 21.5 (20.3–24.3) | 22.6 (21.5–24.6) |
| Lumbar disc herniation, n (%) | 2 (7) | 0 (0) | 1 (12) | 1 (8) |
| Lumbar canal stenosis, n (%) | 2 (7) | 0 (0) | 1 (12) | 1 (8) |
| Pain intensity, median (IQR) | 2.0 (0.8–2.2) | 1.9 (1.1–3.0) | 0.6 (0.0–2.1) | 2.0 (1.2–2.5) |
| RDQ, median (IQR) | 1.0 (0.0–2.0) | 1.0 (0.0–1.5) | 0.0 (0.0–1.0) | 1.0 (0.0–2.0) |
| STarT Back, median (IQR) | 0.0 (0.0–1.0) | 0.0 (0.0–0.5) | 0.0 (0.0–0.5) | 0.0 (0.0–1.0) |
| Medicine, n (%) | ||||
| None | 23 (79) | 5 (62) | 7 (88) | 11 (85) |
| Rarely | 3 (10) | 2 (25) | 0 (0) | 1 (8) |
| Sometimes | 2 (7) | 1 (12) | 1 (12) | 0 (0) |
| Often | 1 (3) | 0 (0) | 0 (0) | 1 (8) |
| Always | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Seek for clinic care, n (%) | 2 (7) | 0 (0) | 1 (12) | 1 (8) |
| Seek for alternative care, n (%) | 2 (7) | 2 (25) | 0 (0) | 0 (0) |
| Physical activity, median (IQR) | ||||
| Time spent for sedentary (%) | 79.6 (68.1–84.1) | 74.1 (58.5–80.0) | 78.9 (63.6–84.9) | 81.6 (73.5–85.2) |
| Time spent for LPA (%) | 16.3 (12.6–24.4) | 19.4 (15.5–32.9) | 17.2 (12.4–27.9) | 13.4 (11.0–19.2) |
| Time spent for MVPA (%) | 4.5 (2.9–7.1) | 5.6 (3.5–10.1) | 3.9 (2.7–5.9) | 4.1 (3.0–6.3) |
| Step | 4763.4 (3553.1–6228.4) | 4763.4 (3962.9–8457.4) | 4569.5 (3490.1–6228.4) | 4593.9 (3624.5–5636.6) |
| Wearing time (min) | 708.4 (666.3–757.1) | 682.7 (635.4–744.4) | 757.0 (667.4–847.3) | 707.1 (692.2–743.5) |
| Other musculoskeletal pain, n (%) | ||||
| Neck | 17 (59) | 4 (50) | 4 (50) | 9 (69) |
| Shoulder | 18 (62) | 4 (50) | 5 (62) | 9 (69) |
| Elbow | 3 (10) | 0 (0) | 2 (25) | 1 (8) |
| Hand | 4 (14) | 1 (12) | 2 (25) | 1 (8) |
| Hip | 4 (14) | 1 (12) | 1 (12) | 2 (15) |
| Knee | 7 (24) | 2 (25) | 4 (50) | 1 (8) |
| Foot | 7 (24) | 3 (38) | 2 (25) | 2 (15) |
| Sleep quality, n (%) | ||||
| Good | 15 (52) | 5 (62) | 4 (50) | 6 (46) |
| Bad | 14 (48) | 3 (38) | 4 (50) | 7 (54) |
| Productivity loss, mean (IQR) | 2.2 (0.8–5.9) | 1.8 (1.2–2.5) | 2.8 (0.4–5.1) | 2.2 (1.3–6.9) |
| Time management, median (IQR) | 0.0 (0.0–15.0) | 0.0 (0.0–5.0) | 0.0 (0.0–10.0) | 0.0 (0.0–15.0) |
| Physical demand, median (IQR) | 0.0 (0.0–10.0) | 2.5 (0.0–25.0) | 0.0 (0.0–0.0) | 0.0 (0.0–10.0) |
| Mental-interpersonal demand, median (IQR) | 8.3 (0.0–16.7) | 5.6 (1.4–9.7) | 11.1 (2.8–18.1) | 11.1 (0.0–22.2) |
| Output demand, median (IQR) | 10.0 (0.0–25.0) | 7.5 (0.0–17.5) | 13.1 (0.0–30.0) | 10.0 (0.0–30.0) |
STarT Back, STarT Back Screening Tool; BMI, body mass index; LPA, Low physical activity; MVPA, Moderate-vigorous physical activity; RDQ, Roland-Morris Disability Questionnaire.;