Table 2 Participant characteristics at baseline by Group (values are mean ± SD for continuous variables and N (%) for dichotomous variables)
From: Addition of MoodGYM to physical treatments for chronic low back pain: A randomized controlled trial
|  | Control group (n = 54) | Intervention group (n = 54) | Total (n = 108) |
|---|---|---|---|
Participants | |||
 Age (years) | 50.6 (14.4) | 50.1 (12.8) | 50.4 (13.6) |
 Male | 22 (40.7%) | 32 (46.3%) | 54 (50%) |
 Female | 25 (59.3%) | 29 (53.7%) | 54 (50%) |
 BMI | 26.7 (4.0) | 27 (5.0) | 26.8 (4.5) |
Pain Intensity | |||
 PNRS (0–10) | 4.9 (2.0) | 5.1 (1.8) | 5.0 (1.9) |
Pain Duration | |||
 3–12 months | 3 (5.6%) | 1 (1.9%) | 6 (5.5%) |
 12 months −2 years | 6 (11.1%) | 8 (14.8%) | 14 (13.0%) |
 2–5 years | 8 (14.8%) | 8 (14.8%) | 16 (14.8%) |
  > 5 years | 37 (68.5%) | 35 (64.8%) | 72 (66.7%) |
Pain Description | |||
 Always present, level of pain varies | 32 (59.3%) | 36 (66.7%) | 68 (63.0%) |
 Often present, with pain-free periods < 6 h | 14 (25.9%) | 10 (18.5%) | 24 (22.2%) |
Cause of Pain | |||
 Injury at home | 3 (5.6%) | 5 (9.3%) | 8 (7.4%) |
 Injury at work | 8 (14.8%) | 8 (14.8%) | 16 (14.8) |
 Motor vehicle accident | 4 (7.4%) | 2 (3.7%) | 6 (5.6%) |
 No obvious cause | 25 (46.3%) | 23 (42.6%) | 48 (44.4%) |
 Injury other setting | 6 (11.1%) | 7 (13.0%) | 13 (12.0%) |
Functional Status | |||
 RMD (0–24) | 9.9 (4.7) | 9.9 (4.2) | 9.9 (4.4) |
 PSFS (0–10) | 4.1 (1.3) | 4.2 (1.5) | 4.2 (1.4) |
 WAI (0–10) | 5.6 (2.1) | 5.7 (2.1) | 5.7 (2.1) |
Psychological Status | |||
 PSEQ (0–60) | 37.8 (13.0) | 40.1 (10.0) | 44.5 (12.3) |
 PCS Total (0–52) | 20.9 (12.5) | 20.0 (11.3) | 20.5 (11.9) |
 PCS Rumination (0–16) | 7.59 (4.3) | 7.6 (4.2) | 7.6 (4.2) |
 PCS Magnifying (0–12) | 4.2 (3.0) | 3.6 (2.8) | 3.9 (2.9) |
 PCS Helplessness (0–24) | 9.1 (6.0) | 8.9 (5.6) | 9.0 (5.8) |
 DASS21 Total (0–63) | 16.8 (12.6) | 15.0 (10.1) | 15.9 (11.4) |
 DASS21 Depression (0–21) | 5.5 (5.3) | 5.3 (4.8) | 5.4 (5.0) |
 DASS21 Anxiety (0–21) | 3.6 (3.6) | 2.8 (2.9) | 3.2 (3.3) |
 DASS21 Stress (0–21) | 7.7 (4.7) | 7.0 (3.9) | 7.3 (4.3) |
Work Status | |||
 Full-time | 21 (38.9%) | 24 (44.4%) | 45 (41.7%) |
 Part-time | 14 (25.9%) | 18 (33.3%) | 32 (29.6%) |
 Work hours affected by pain | 26 (48.1%) | 23 (42.6%) | 49 (45.4%) |
 Work type affected by pain | 34 (63%) | 33 (61.1%) | 67 (62.0%) |
Health Status | |||
 Self-reported depression/ anxiety | 14 (25.9%) | 12 (22.2%) | 26 (24.1%) |
 Osteoarthritis | 12 (22.2%) | 8 (14.8%) | 20 (18.5%) |
 High blood pressure | 10 (18.5%) | 4 (7.4%) | 14 (13.0%) |
 Stomach ulcer | 2 (3.7%) | 4 (7.4%) | 6 (5.6%) |