WEIGHTS FOR DIRECT ADJUSTED RATES And EXAMPLES

The following weights are used for directly adjusted rates for all ES reports. The weights are based on the US 1970 standard million population for ages from 20 to 64. Events and person-years for ages 16-19 are included in the first age interval. Events and person-years for ages 65-69 are included in the last age interval. Events and person-years for ages less than 16 or greater than 69 will not be included ( see Note below ). The method used to obtain standard errors and confidence limits below are described here.
  age      N   wus70.ten
1  20 146881 0.28111788
2  30 110905 0.21226284
3  40 118580 0.22695215
4  50 103720 0.19851136
5  60  42403 0.08115578


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     Example 1  Using Ten Year Intervals

j   y      n       r      W    r.var 
1   3 0.0830 36.1228 0.2811 434.9526
2   9 0.5232 17.2003 0.2123  32.8721
3   7 0.4477 15.6352 0.2270  34.9227
4   2 0.3489  5.7322 0.1985  16.4288
5   1 0.0947 10.5584 0.0812 111.4806

  Events      R     seR   CL.1   CU.1   CL.2    CU.2
    22  19.3490  6.2478  7.1033 31.5946 10.2754 36.4347

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++

     Example 2  Using Ten Year Intervals
j  y      n       r      W    r.var 
1  0 0.0830  0.0000 0.2811   0.0000
2  0 0.5232  0.0000 0.2123   0.0000
3  0 0.4477  0.0000 0.2270   0.0000
4 10 0.3489 28.6608 0.1985  82.1440
5  2 0.0947 21.1169 0.0812 222.9611

  Events      R     seR   CL.1   CU.1   CL.2    CU.2
    12   7.4032  2.1692  3.1516 11.6549  4.1688 13.1473

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++


Note: These weights were obtained from the following US 1970 standard million population

     Age  US70      wus70 
       .    .         .
      15 93845 0.0
 [1,] 20 80561 0.14466102
 [2,] 25 66320 0.11908888
 [3,] 30 56249 0.10100468
 [4,] 35 54656 0.09814417
 [5,] 40 58958 0.10586915
 [6,] 45 59622 0.10706147
 [7,] 50 54643 0.09812083
 [8,] 55 49077 0.08812613
 [9,] 60 42403 0.07614182
[10,] 65 34406 0.06178184
       .     .        .