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Table 1 Joinpoint analysis of long-term trends in motor vehicle fatalities rates, all ages, by sex, 1968 to 2010

From: Temporal trends in motor vehicle fatalities in the United States, 1968 to 2010 - a joinpoint regression analysis

  Males Females
Age group AAPC AAPC
% (95% CI) % (95% CI)
<1 to 14 years −4.0 (−4.6, −3.3)* −3.6 (−4.3, −2.9)*
15 to 24 years −3.0 (−3.7, −2.2)* −2.0 (−2.6, −1.4)*
25 to 64 years −2.0 (−2.6, −1.4)* −2.1 (−2.8, −1.5)*
≥65 years −2.4 (−3.2, −1.7)* −2.0 (−2.8, −1.2)*
All ages (age-standardized) −2.4 (−2.9, −1.8)* −2.2 (−2.8, −1.6)*
  1. Models are based on random errors corrected for autocorrelation estimated from the data by the Joinpoint Program. JP, Joinpoint; AAPC, Modify to average annual percent change; CI, confidence interval; *Two-tailed significant at p < 0.05.