Characteristic | n (%)* | |
Total sample | LBP sufferers | |
Age | ||
18–44 years | 896 (38) | 598 (36) |
45–64 years | 1153 (49) | 860 (52) |
65+ years | 284 (12) | 202 (12) |
Sex | ||
Female | 1731 (74) | 1225 (74) |
Male | 602 (26) | 435 (26) |
Body mass index | ||
Underweight (<18.5 kg/m2) | 44 (2) | 28 (2) |
‘Normal’ weight (18.5 to <25 kg/m2) | 1309 (56) | 898 (54) |
Overweight or obesity (≥25 kg/m2) | 980 (42) | 734 (44) |
Smoking status | ||
Smoker | 404 (17) | 296 (18) |
Non-smoker | 1929 (83) | 1364 (82) |
Experiencing stress | ||
Occasionally, very rarely or never | 1505 (65) | 1033 (62) |
Often or every day | 828 (35) | 627 (38) |
Education | ||
Primary or secondary education | 687 (30) | 529 (32) |
Higher education | 1646 (70) | 1131 (68) |
Socioeconomic status | ||
Low or very low | 236 (10) | 189 (11) |
Middle | 1820 (78) | 1299 (78) |
High or very high | 277 (12) | 172 (10) |
LBP occurrence in the past year | ||
Yes | 1600 (71) | 1660 (100) |
No | 733 (29) | 0 (0) |
Frequency of experiencing LBP | ||
1–7 days | / | 760 (46) |
8–30 days | / | 451 (27) |
31–90 days | / | 146 (9) |
90+ days, but not every day | / | 203 (12) |
Every day | / | 100 (6) |
Intensity of LBP | M (IQR)† | |
Average intensity | / | 30 (19, 49) |
24-hour movement behaviours | g (%)‡ | |
MVPA (min/day) | 27 (2) | 27 (2) |
LPA (min/day) | 499 (35) | 502 (35) |
SB (min/day) | 440 (31) | 438 (30) |
Sleep (min/day) | 474 (33) | 473 (33) |
*Absolute frequency (percentage).
†Median (IQR).
‡Compositional mean (percent of the day).
LBP, low back pain; LPA, light-intensity physical activity; MVPA, moderate- to vigorous-intensity physical activity; SB, sedentary behaviour.