Intra-generation Mapping: User Selection

Intra-generation Mapping: User Selection.

Sibling Type: Select a value of sibling type from the following options.

1 "full sibs" -- biological mom and dad are known for both
  sibs, and both parents are in common

2 "half sibs, mom in common" -- biological mom and dad are
  known for both sibs, and only the mom is in common

3 "half sibs, dad in common" -- biological mom and dad are
  known for both sibs, and only the dad is in common

4 "at least half sibs, mom in common" -- biological mom known
  for both sibs (but bio dad not known for both sibs), and the
  sibs have the same bio mom

5 "at least half sibs, dad in common" -- biological dad known
  for both sibs (but bio mom not known for both sibs), and the
  sibs have the same bio dad

6 "all others"

Map Format: Available file format options are: "long" and "wide". In a long file format, each relationship pair (e.g., focal person-sibling pair) is a separate row. The wide file format provides the data with one row per focal person.

Output File Type: Following output file options are available:

	SAS System File
	ASCII with ...
		SAS  Statements (.sas)
		SPSS Statements (.sps)
		STATA Statements (.do)
	EXCEL spreadsheet

Merge GID and CDS Maps -- Wide Format: When this check box is checked, a customized GID map and CDS map files are merged for CDS researchers. This is an individual or child level file available in the "wide" format only. The number rows in this file are equal to the total number of unique children from CDS 1997 and 2002.

Submit: A custom map file is created for user download.

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The Long Sibling File

The file structure and the code definitions of the "long" file are as below:

Name     Label                                        Format
ID68     "1968 INTERVIEW # OF INDIVIDUAL          "     Z4.
PN       "PERSON # OF INDIVIDUAL                  "     Z3.
SEX      "GENDER OF INDIVIDUAL                    "     F1.
SIBNUM   "SIBLING NUMBER                          "     F2.
ID68S    "1968 INTERVIEW # OF SIBLING             "     Z4.
PNS      "PERSON # OF SIBLING                     "     Z3.
SIBSEX   "GENDER OF SIBLING                       "     F1.
SIBTYPE  "TYPE OF SIBLING                         "     F1.
PSTRING  "PARENTS STRING                          "    $10.
SIBMAKER "SIBLING MAKER                           "    $30.

Variable Codes:
  SEX, SIBSEX
    1 = MALE
    2 = FEMALE

PSTRING and SIBMAKER columns are defined using the codes below:

1 = Biological Mother
2 = Biological Father
3 = Adoptive Mother
4 = Adoptive Father

PSTRING:

SIBMAKER: column reports about the "common" parents of the individual and sibling pair. A value of "(1-1)" means that biological mothers are common for the pair.

Sibling Type values are determined by inspecting the values from these two columns.