Table 2.
The bivariate associations between pubertal stage and a) back pain anywhere b) low back pain, c) mid back pain, and d) neck pain reported as odds ratios and 95% confidence intervals.
| Definition of back pain | Puberty stage 1 (index group) | Puberty stage 2 | Puberty stage 3 | Puberty stage 4 | Puberty stage 5 |
| Back pain anywhere | 1 | 1.1 0.6–2.0 |
2.3 0.8–6.5 |
2.6 1.5–4.7 |
2.4 1.4–4.3 |
| Low back pain | 1 | 0.9 0.1–8.5 |
8.2 1.2–55.6 |
19.6 5.0–76.3 |
14.7 3.8–56.6 |
| Mid back pain | 1 | 1.4 0.7–2.8 |
1.6 0.5–5.4 |
1.0 0.5–2.1 |
1.1 0.6–2.3 |
| Neck pain | 1 | 0.7 0.2–1.8 |
1.2 0.2–5.6 |
0.7 0.3–1.9 |
0.5 0.2–1.4 |