Risk of LBP in relation to psychosocial factors (SDQ) using univariate analysis (n=1376)*
| SDQ dimension | Total | No. with LBP | % LBP | Odds ratio* | (95% CI) |
|---|---|---|---|---|---|
| Difficulties | |||||
| Hyperactivity/inattention | |||||
| Low | 549 | 109 | 19.9 | 1.0 | (referent) |
| Medium | 450 | 113 | 25.1 | 1.3 | (1.0 to 1.7) |
| High | 376 | 108 | 28.7 | 1.6 | (1.2 to 2.2) |
| Conduct problems | |||||
| Low | 462 | 67 | 14.5 | 1.0 | (referent) |
| Medium | 582 | 150 | 28.2 | 2.2 | (1.6 to 3.0) |
| High | 331 | 113 | 34.1 | 3.5 | (2.4 to 4.9) |
| Emotional problems | |||||
| Low | 618 | 100 | 16.2 | 1.0 | (referent) |
| Medium | 400 | 91 | 22.8 | 1.5 | (1.1 to 2.1) |
| High | 357 | 139 | 38.9 | 3.1 | (2.3 to 4.3) |
| Peer problems | |||||
| Low | 734 | 156 | 21.3 | 1.0 | (referent) |
| Medium | 286 | 78 | 27.3 | 1.4 | (1.0 to 1.9) |
| High | 355 | 96 | 27.0 | 1.5 | (1.1 to 2.0) |
| Strengths | |||||
| Prosocial behaviour | |||||
| High | 346 | 89 | 25.7 | 1.0 | (referent) |
| Medium | 508 | 134 | 26.8 | 1.1 | (0.8 to 1.5) |
| Low | 521 | 107 | 20.5 | 0.8 | (0.6 to 1.2) |
| *ORs adjusted for age and gender in a logistic regression model (missing = 1). | |||||