Table 1.
Annual percent change in road injury mortality rates for China and the United States, 1990–2015.
| Segments | China | United States | ||
|---|---|---|---|---|
| Year | APC (95% CI) | Year | APC (95% CI) | |
| Trend 1 | 1990–1997 | −1.8 (−2.1, −1.5) * | 1990–1992 | −0.3 (−1.8, 1.3) |
| Trend 2 | 1997–2005 | −0.7 (−1.0, −0.4) * | 1992–2002 | 1.9 (1.7, 2.0) * |
| Trend 3 | 2005–2010 | −4.2 (−4.8, −3.6) * | 2002–2009 | −1.5 (−1.7, −1.2) * |
| Trend 4 | 2010–2013 | −1.5 (−3.6, 0.6) | 2009–2015 | −3.5 (−3.8, −3.3) * |
| Trend 5 | 2013–2015 | 1.6 (−0.5, 3.8) | ||
| AAPC (95% CI) | 1990–2015 | −0.6 (−0.7, −0.4) * | 1990–2015 | −1.6 (−1.9, −1.3) * |
* The value is statistically different from zero (p < 0.05) based on joinpoint regression analysis. AAPC, average annual percent change; APC, annual percent change; CI: confidence interval.