SEER*Prep Input File Description for:
  c:\program files\seerprep\pop26.d03082007.dd

*********************************************
  INPUT POPULATION FILE FORMAT
*********************************************

  Record length:  26
  List of included variable details:

  Year (Not Required, Index, Exclude Invalid Values)
    Start Column:   1    Length:  4

  User-specified A (2-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:   5    Length:  2

  State (Not Required, Index, Exclude Invalid Values)
    Start Column:   7    Length:  2

  State-county (Not Required, Index, Exclude Invalid Values)
    Start Column:   7    Length:  5

  County (Not Required, Index, Exclude Invalid Values)
    Start Column:   9    Length:  3

  User-specified B (1-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:  12    Length:  1

  User-specified C (1-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:  13    Length:  1

  Race (Not Required, Index, Exclude Invalid Values)
    Start Column:  14    Length:  1

  Ethnicity (Not Required, Index, Exclude Invalid Values)
    Start Column:  15    Length:  1

  Sex (Not Required, Index, Exclude Invalid Values)
    Start Column:  16    Length:  1

  Age (Not Required, Index, Exclude Invalid Values)
    Start Column:  17    Length:  2

  Count (Required, No Index, Exclude Invalid Values)
    Start Column:  19    Length:  8

  Year (Not Required, Index, Exclude Invalid Values)
    Start Column:   1    Length:  4

  User-specified A (2-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:   5    Length:  2

  State (Not Required, Index, Exclude Invalid Values)
    Start Column:   7    Length:  2

  State-county (Not Required, Index, Exclude Invalid Values)
    Start Column:   7    Length:  5

  County (Not Required, Index, Exclude Invalid Values)
    Start Column:   9    Length:  3

  User-specified B (1-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:  12    Length:  1

  User-specified C (1-byte) (Not Required, Index, Exclude Invalid Values)
    Start Column:  13    Length:  1

  Race (Not Required, Index, Exclude Invalid Values)
    Start Column:  14    Length:  1

  Ethnicity (Not Required, Index, Exclude Invalid Values)
    Start Column:  15    Length:  1

  Sex (Not Required, Index, Exclude Invalid Values)
    Start Column:  16    Length:  1

  Age (Not Required, Index, Exclude Invalid Values)
    Start Column:  17    Length:  2

  Count (Required, No Index, Exclude Invalid Values)
    Start Column:  19    Length:  8