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Table 1 Linear regression between percent of unspecified injury mortality and year (United States, 1999–2010)

From: Impact of changes in specificity of data recording on cause-specific injury mortality in the United States, 1999–2010

Intent Age group b s b 95% confidence interval AdjustedR 2
     Lower limit Upper limit  
Unintentional 0-24 years -0.037* 0.013 -0.066 -0.009 0.413
  25-44 years -0.077** 0.011 -0.101 -0.053 0.816
  45-64 years -0.006 0.006 -0.020 0.007 0.004
  65+ -0.746** 0.047 -0.851 -0.641 0.958
Homicide 0-24 years 0.232** 0.034 0.156 0.307 0.807
  25-44 years 0.059 0.046 -0.044 0.163 0.056
  45-64 years 0.483** 0.093 0.277 0.690 0.704
  65+ 0.578** 0.754 0.223 0.932 0.525
Suicide 0-24 years -0.010 0.012 -0.038 0.018 -0.031
  25-44 years 0.007 0.008 -0.010 0.024 -0.024
  45-64 years 0.011 0.008 -0.006 0.028 0.091
  65+ 0.001 0.008 -0.017 0.020 -0.097
  1. *: P < 0.05; **: P < 0.01.
  2. Note: Dependent variable = percent of unspecified injury mortality, independent variable = year.