Table 1. Demographic and clinical characteristics of the study population.
| Physical therapy patients (n = 805) | |
|---|---|
| Age mean (SD) range | 53 (14) 18–88 |
| Gender n (%) | |
| Male | 331 (41) |
| Female | 474 (59) |
| Country of birth n (%) | |
| Netherlands | 761 (95) |
| Other | 44 (5) |
| Educational level n (%) | |
| Less than High School degree | 21 (3) |
| High School degree | 82 (10) |
| Some college | 301 (37) |
| College degree | 37 (5) |
| Advanced degree | 364 (45) |
| Body region of treatment n (%) | |
| Head | 14 (2) |
| Breast/abdomen | 25 (3) |
| Neck/upper back | 152 (19) |
| Shoulders/upper arm | 113 (14) |
| Elbow/forearm/hand | 23 (3) |
| Low back | 157 (20) |
| Pelvis/hip/upper leg | 76 (9) |
| Knee | 86 (11) |
| Lower leg/ankle/foot | 52 (6) |
| More than 1 region | 107 (13) |
| Disorder type for treatment n (%) | |
| Disorder of muscles, bones or joints without surgery | 391 (49) |
| Recovery after surgery | 100 (12) |
| Condition resulting from an accident without surgery | 70 (9) |
| Cardiac, vascular or lymphatic disorder | 25 (3) |
| Pulmonary affection | 20 (2) |
| Other internal disorder | 4 (1) |
| Neurological disorder | 15 (2) |
| Gynaecological disorder | 7 (1) |
| Disorder with no known cause | 11 (1) |
| Rheumatic disease | 17 (2) |
| Osteoarthritis | 45 (6) |
| Other | 100 (12) |
| Duration of pain n (%) | |
| 0–3 months | 126 (16) |
| 3–6 months | 116 (14) |
| 6–12 months | 166 (21) |
| 1–2 years | 146 (18) |
| 2–5 years | 85 (10) |
| >5 years | 166 (21) |
| T-score of the PROMIS Physical Function item bank mean (SD) range | 48.2 (9.4) 21.4–73.5 |
| Legacy instruments mean (SD) | |
| SF36-PF10 (n = 710) | 75.2 (26) |
| HAQ-DI (n = 739) | 0.4 (0.5) |
SF36-PF10 = Short Form Health Survey Physical Functioning (range 0–100, higher scores indicate better physical function); HAQ-DI = Health Assessment Questionnaire-Disability Index (range 0–3, higher scores indicate less physical functioning).