Sweden, n = 262 | Denmark, n = 947 | UK, n = 453 | |
---|---|---|---|
Females, % (95 % CI) | 48 % (42 %–54 %) | 45 % (42 %–48 %) | 47 % (42 %–51 %) |
Age years*, median (IQR) | 44 (35–52) | 43 (34–53) | 41 (34–49) |
Any previous LBP episodes*, % (95 % CI) | NA | 84 % (81 %–86 %) | 88 % (85 %–91 %) |
≥3 previous LBP episodes*, % (95 % CI) | 48 % (42 %–54 %) | 49 % (45 %–52 %) | NA |
More than 30 LBP days last year*, % (95 % CI) | 56 % (50 %–62 %) | 25 % (22 %–28 %) | 37 % (32 %–41 %) |
Sick leave#, % (95 % CI) | 18 % (14 %–24 %) | 22 % (20 %–25 %) | 27 % (23 %–31 %) |
within last year | within last month | current sick leave | |
Episode duration*, % (95 % CI) | NA | ||
0-2 weeks | 62 % (59 %–66 %) | 49 % (45 %–54 %) | |
2 weeks–3 months | 24 % (21 %–27 %) | 34 % (30 %–39 %) | |
More than 3 months | 13 % (11 %–16 %) | 17 % (14 %–21 %) | |
LBP intensity (0–10)*, median (IQR) | 4 (3–6) | 7 (5–8) | 6 (5–8) |
Leg pain*, % (95 % CI) | 51 % (45 %–57 %) | 58 % (55 %–61 %) | 45 % (40 %–49 %) |