Risk of low back pain in relation to positive associations (univariate) using a multivariate model
| Positive factors on univariate analysis | Odds ratio | (95% CI)* |
|---|---|---|
| *ORs adjusted for age and gender in a logistic regression model. | ||
| Hyperactivity/inattention | ||
| Low | 21.0 | (referent) |
| Medium | 0.8 | (0.6 to 1.2) |
| High | 0.8 | (0.5 to 1.2) |
| Conduct problems | ||
| Low | 1.0 | (referent) |
| Medium | 1.9 | (1.3 to 2.7) |
| High | 2.4 | (1.6 to 3.8) |
| Emotional problems | ||
| Low | 1.0 | (referent) |
| Medium | 1.1 | (0.8 to 1.6) |
| High | 2.0 | (1.4 to 2.9) |
| Peer problems | ||
| Low | 1.0 | (referent) |
| Medium | 1.2 | (0.8 to 1.7) |
| High | 1.0 | (0.7 to 1.4) |
| Headache | ||
| No days | 1.0 | (referent) |
| 1–2 days | 1.3 | (0.9 to 1.8) |
| More than 3 days | 1.8 | (1.2 to 2.7) |
| Abdominal pain | ||
| No days | 1.0 | (referent) |
| 1–2 days | 1.2 | (0.9 to 1.7) |
| More than 3 days | 1.4 | (0.9 to 2.4) |
| Sore throats | ||
| No days | 1.0 | (referent) |
| 1–2 days | 1.4 | (0.96 to 2.0) |
| More than 3 days | 1.7 | (1.2 to 2.5) |
| Daytime tiredness | ||
| No days | 1.0 | (referent) |
| 1–2 days | 1.5 | (1.02 to 2.2) |
| More than 3 days | 1.9 | (1.3 to 2.8) |
| Part time job | ||
| No | 1.0 | (referent) |
| Yes | 1.4 | (1.01 to 1.9) |