Table 1.
Characteristics of the population at baseline.
| Patients allocated at baseline |
Patients providing 26-week follow-up data |
|||
|---|---|---|---|---|
| Existing programme, n = 83 | Integrated programme, n = 82 | Existing programme, n = 69 | Integrated programme, n = 70 | |
| Sex (women), n (%) | 60 (73) | 60 (72) | 49 (71) | 52 (74) |
| Age (years) | ||||
| Mean (SD) | 51 (13) | 49 (13) | 52 (12) | 50 (12) |
| Range | 25–84 | 22–72 | 25–84 | 28–72 |
| Marital status, n (%) | ||||
| Married | 58 (70) | 60 (73) | 50 (72) | 51 (73) |
| Single/widowed | 25 (30) | 22 (27) | 19 (28) | 19 (27) |
| Smokers, n (%) | ||||
| Yes | 28 (34) | 24 (29) | 23 (33) | 17 (24) |
| No | 55 (66) | 58 (71) | 46 (67) | 62 (76) |
| Leg pain, n (%) | ||||
| Yes | 59 (71) | 65 (79) | 49 (71) | 55 (79) |
| No | 17 (21) | 12 (15) | 14 (20) | 12 (17) |
| Do not know | 7 (8) | 5 (6) | 6 (9) | 3 (4) |
| Employment statusa, n (%) | ||||
| Self-supporting | 16 (25) | 17 (26) | 15 (29) | 17 (30) |
| Temporary social benefits | 11 (17) | 9 (14) | 8 (15) | 7 (13) |
| Permanent social benefits | 27 (42) | 29 (45) | 20 (39) | 24 (43) |
| Age-related pension | 10 (16) | 8 (12) | 9 (17) | 7 (13) |
| Others | 0 (0) | 2 (3) | 0 (0) | 1 (2) |
| Education levela, n (%) | ||||
| Low (⩽12 years) | 14 (22) | 10 (15) | 11 (21) | 6 (11) |
| Middle (⩽16 years) | 44 (69) | 44 (68) | 36 (69) | 40 (71) |
| High (>16 years) | 6 (9) | 11 (17) | 5 (10) | 10 (18) |
| Disabilityb ODI (0–100) | ||||
| Mean (SD) | 43 (11) | 42 (10) | 43 (12) | 41 (11) |
| Range | 24–72 | 20–68 | 24–72 | 20–68 |
| Back pain intensityc NRS (0–10) | ||||
| Mean (SD) | 6 (2) | 6 (2) | 6 (2) | 6 (2) |
| Pain Self-efficacy PSEQ (0–60) | ||||
| Mean (SD) | 27 (10) | 28 (11) | 27 (11) | 28 (12) |
| Quality of life EQ-5D 5L (–0.624 to 1) | ||||
| Mean (SD) | 0.603 (0.118) | 0.567 (0.157) | 0.599 (0.126) | 0.578 (0.153) |
| Depression MDI (0–50) | ||||
| Mean (SD) | 20 (11) | 20 (12) | 22 (11) | 19 (11) |
| Physical activity, n (%) | ||||
| Minutes spent on physical exercise during a week | ||||
| <30 | 50 (60) | 42 (51) | 41 (59) | 34 (49) |
| ⩾30 ⩽ 120 | 31 (37) | 32 (39) | 26 (38) | 28 (40) |
| >120 | 2 (3) | 8 (10) | 2 (3) | 8 (11) |
| Minutes spent on physical activity during a week, n (%) | ||||
| <30 | 20 (24) | 13 (16) | 17 (25) | 9 (13) |
| ⩾30 ⩽ 300 | 55 (66) | 52 (63) | 45 (65) | 45 (64) |
| >300 | 8 (10) | 17 (21) | 7 (10) | 16 (23) |
| Hours spent sitting during 24 hours, n (%) | ||||
| ⩾10 | 14 (17) | 9 (11) | 6 (9) | 7 (10) |
| <10 ⩾ 4 | 52 (63) | 53 (65) | 51 (74) | 47 (67) |
| <4 | 17 (20) | 20 (24) | 12 (17) | 16 (23) |
Columns 1 and 2 show patients randomized (n = 165) and columns 3 and 4 show patients providing 26-week follow-up data (n = 139).
ODI: Oswestry Disability Index; NRS: Numerical Rating Scale; PSEQ: Pain Self-Efficacy Questionnaire; EQ-5D 5L: EuroQol-5 Domain 5-level; MDI: Major Depression Inventory.
a
Due to technical issues in the database, data on employment status and education level was only available in ≈75% of the patients.
b
Due to technical issues in the database, one patient with an ODI score of 20 was included.
c
Mean back pain intensity for the last two weeks.