National Income Dynamics Study 2012, Wave 3
South Africa, 2012
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Reference ID
zaf-saldru-nids-2012-v3.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
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Created on
Nov 24, 2013
Last modified
Jul 18, 2023
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c2_3_y3 - Date of birth (year) of child 3 (w3_a_bhdob_y3)
Data file: Adult_W3_Anon_V3.0.0
Overview
Valid:
4615
Invalid:
17842
Type:
Discrete
Decimal:
0
Width:
4
Range:
1940 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1940 | 1 |
0%
|
|
| 1946 | 2 |
0%
|
|
| 1948 | 1 |
0%
|
|
| 1949 | 3 |
0%
|
|
| 1950 | 3 |
0%
|
|
| 1951 | 4 |
0%
|
|
| 1952 | 6 |
0%
|
|
| 1953 | 5 |
0%
|
|
| 1954 | 6 |
0%
|
|
| 1955 | 6 |
0%
|
|
| 1956 | 6 |
0%
|
|
| 1957 | 7 |
0%
|
|
| 1958 | 19 |
0.1%
|
|
| 1959 | 13 |
0.1%
|
|
| 1960 | 21 |
0.1%
|
|
| 1961 | 17 |
0.1%
|
|
| 1962 | 20 |
0.1%
|
|
| 1963 | 37 |
0.2%
|
|
| 1964 | 42 |
0.2%
|
|
| 1965 | 47 |
0.2%
|
|
| 1966 | 45 |
0.2%
|
|
| 1967 | 39 |
0.2%
|
|
| 1968 | 46 |
0.2%
|
|
| 1969 | 45 |
0.2%
|
|
| 1970 | 70 |
0.3%
|
|
| 1971 | 55 |
0.2%
|
|
| 1972 | 64 |
0.3%
|
|
| 1973 | 69 |
0.3%
|
|
| 1974 | 77 |
0.3%
|
|
| 1975 | 83 |
0.4%
|
|
| 1976 | 86 |
0.4%
|
|
| 1977 | 67 |
0.3%
|
|
| 1978 | 71 |
0.3%
|
|
| 1979 | 77 |
0.3%
|
|
| 1980 | 93 |
0.4%
|
|
| 1981 | 80 |
0.4%
|
|
| 1982 | 115 |
0.5%
|
|
| 1983 | 117 |
0.5%
|
|
| 1984 | 93 |
0.4%
|
|
| 1985 | 103 |
0.5%
|
|
| 1986 | 105 |
0.5%
|
|
| 1987 | 104 |
0.5%
|
|
| 1988 | 96 |
0.4%
|
|
| 1989 | 108 |
0.5%
|
|
| 1990 | 93 |
0.4%
|
|
| 1991 | 113 |
0.5%
|
|
| 1992 | 76 |
0.3%
|
|
| 1993 | 114 |
0.5%
|
|
| 1994 | 83 |
0.4%
|
|
| 1995 | 93 |
0.4%
|
|
| 1996 | 87 |
0.4%
|
|
| 1997 | 94 |
0.4%
|
|
| 1998 | 84 |
0.4%
|
|
| 1999 | 97 |
0.4%
|
|
| 2000 | 110 |
0.5%
|
|
| 2001 | 95 |
0.4%
|
|
| 2002 | 84 |
0.4%
|
|
| 2003 | 85 |
0.4%
|
|
| 2004 | 95 |
0.4%
|
|
| 2005 | 90 |
0.4%
|
|
| 2006 | 110 |
0.5%
|
|
| 2007 | 99 |
0.4%
|
|
| 2008 | 110 |
0.5%
|
|
| 2009 | 98 |
0.4%
|
|
| 2010 | 109 |
0.5%
|
|
| 2011 | 117 |
0.5%
|
|
| 2012 | 63 |
0.3%
|
|
| 3333 | Missing | 4 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 238 |
1.1%
|
| Sysmiss | 17842 |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.