Table 1 General characteristics of the study population at baseline
Variables | All (n = 4806) | MSK pain within last 14 days n = 1971 (41.0%) | No MSK pain n = 2835 (59.0%) |
|---|---|---|---|
Age (mean ± SD) | 44.5 ± 0.27 | 46.9 ± 0.42 | 42.9 ± 0.34 |
Age | |||
16–44 (%) | 54.7 | 37.3 | 62.7 |
45–64 (%) | 27.6 | 43.6 | 56.4 |
≥ 65 | 17.8 | 48.6 | 51.4 |
Sex | |||
Men (%) | 47.9 | 42.3 | 51.7 |
Women (%) | 52.2 | 57.7 | 48.3 |
Marital status | |||
Married or cohabitant (%) | 66.9 | 66.7 | 67.1 |
Widow(er) (%) | 7.8 | 9.5 | 6.6 |
Divorced (%) | 5.9 | 6.9 | 5.2 |
Unmarried (%) | 19.4 | 16.8 | 21.1 |
Education level (years) | |||
< 10 years (%) | 28.6 | 30.9 | 26.9 |
10 years (%) | 9.8 | 8.6 | 10.6 |
11–12 years (%) | 10.4 | 9.6 | 10.9 |
13–14 years (%) | 26.7 | 26.0 | 27.5 |
15+ years (%) | 9.25 | 8.0 | 10.2 |
Missing (%) | 15.2 | 16.9 | 13.9 |
Physical activity | |||
Vigorous or Moderate (%) | 21.1 | 17.9 | 23.4 |
Light (%) | 65.5 | 65.1 | 65.7 |
Sedentary (%) | 13.4 | 17.0 | 10.9 |
Stressed in daily life | |||
Often (%) | 6.0 | 8.3 | 4.4 |
From time to time (%) | 30.5 | 31.9 | 29.6 |
Never or almost never (%) | 63.5 | 59.5 | 65.7 |
Don’t know (%) | 0.3 | 0.3 | 0.4 |
Meet up with friends or acquaintance | |||
Daily or almost daily (%) | 29.3 | 28.2 | 30.1 |
1–2 times a week/month (%) | 54.5 | 63.6 | 65.1 |
Less often or never (%) | 6.2 | 8.2 | 4.8 |
Comorbiditya | |||
No (%) | 87.8 | 84.9 | 89.8 |
Low (%) | 8.2 | 10.7 | 6.6 |
Medium/high (%) | 4.0 | 4.5 | 3.6 |
Smokingb | |||
Daily (%) | 41.9 | 44.7 | 40.0 |
Occasional (%) | 3.6 | 3.4 | 3.7 |
No (%) | 54.5 | 51.9 | 56.3 |
Spread of pain | |||
No areas (%) | 59.0 | ||
One area (%) | 24.0 | ||
Two areas (%) | 12.7 | ||
Three areas (widespread) (%) | 4.3 | ||
Pain intensity categorical | |||
No pain (0–4) (%) | 60.1 | ||
Mild (5–44) (%) | 24.9 | ||
Moderate (45–74) (%) | 11.7 | ||
Strong (75–100) (%) | 3.2 | ||