Table 1 Baseline characteristics of study participants (N = 343)
Characteristic | Estimate |
|---|---|
Age (years), mean (SD) | 51.1 (11.4) |
Age categories, N (%): | |
 ∙ < 25 | 7 (2.0) |
 ∙ 25–40 | 65 (19.0) |
 ∙ 40–60 | 191 (55.7) |
 ∙ > 60 | 80 (23.3) |
Sex, Female, N (%) | 205 (59.8) |
BMI, mean (SD) | 28.8 (6.55) |
BMI categories, N (%): | |
 ∙ Underweight (< 18.5) | 2 (0.6) |
 ∙ Normal (18.5–25) | 113 (32.9) |
 ∙ Overweight (25–30) | 114 (33.2) |
 ∙ Obese (30–40) | 87 (25.4) |
 ∙ Obese grade III (> 40) | 27 (7.9) |
Education levela, N (%): | |
 ∙ High | 286 (83.4) |
 ∙ Low | 29 (8.4) |
 ∙ Undisclosed | 28 (8.2) |
Employment status, N (%): | |
 ∙ Employed (part-time or full-time) | 303 (88.3) |
 ∙ Unemployed (not working or seeking for opportunities) | 40 (11.7) |
Occupation type, N (%): | |
 ∙ White collar | 298 (86.9) |
 ∙ Blue collar | 29 (8.5) |
 ∙ Other (e.g. retired) | 16 (4.7) |
Affected body area, N (%): | |
 ∙ Ankle | 23 (6.7) |
 ∙ Elbow | 27 (7.9) |
 ∙ Hip | 35 (10.2) |
 ∙ Knee | 61 (17.8) |
 ∙ Low back | 94 (27.4) |
 ∙ Neck | 30 (8.7) |
 ∙ Shoulder | 73 (21.3) |
Exercise level, days per week, N (%): | |
 ∙ None | 54 (15.7) |
 ∙ 1–2 days | 187 (54.5) |
 ∙ 3–4 days | 102 (29.7) |
Duration of pain, N (%): | |
 ∙ < 4 weeks | 108 (31.5) |
 ∙ 4–12 weeks | 235 (68.5) |