Risk ratios (RR; 99% CI) and attributable risk (AR) of transition between preinjury consultation level group per year after neck injury
| Low-to-high frequent | Low/frequent-to-high frequent | Frequent-to-high frequent | |
|---|---|---|---|
| RR (99% CI) | |||
| Year post 1 | 2.27 (1.63 to 3.15) | 2.00 (1.72 to 2.33) | 1.80 (1.52 to 2.11) |
| Year post 2 | 2.08 (1.49 to 2.91) | 1.57 (1.33 to 1.84) | 1.33 (1.11 to 1.58) |
| Year post 3 | 1.76 (1.29 to 2.39) | 1.59 (1.36 to 1.85) | 1.44 (1.21 to 1.71) |
| AR (%) | |||
| Year post 1 | 11 | 16 | 18 |
| Year post 2 | 10 | 10 | 8 |
| Year post 3 | 9 | 11 | 11 |