National Income Dynamics Study 2014-2015, Wave 4
South Africa, 2014 - 2015
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Reference ID
zaf-saldru-nids-2014-2015-v2.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
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Created on
May 17, 2016
Last modified
Jul 18, 2023
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c2_6_y2 - Date of birth (year) of child 2 (w4_a_bhdob_y2)
Data file: Adult_W4_Anon_V2.0.0
Overview
Valid:
7698
Invalid:
19106
Type:
Discrete
Decimal:
0
Width:
4
Range:
1940 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1940 | 1 |
0%
|
|
| 1943 | 1 |
0%
|
|
| 1946 | 2 |
0%
|
|
| 1948 | 4 |
0%
|
|
| 1949 | 2 |
0%
|
|
| 1950 | 5 |
0%
|
|
| 1951 | 3 |
0%
|
|
| 1952 | 9 |
0%
|
|
| 1953 | 4 |
0%
|
|
| 1954 | 12 |
0%
|
|
| 1955 | 19 |
0.1%
|
|
| 1956 | 10 |
0%
|
|
| 1957 | 20 |
0.1%
|
|
| 1958 | 26 |
0.1%
|
|
| 1959 | 16 |
0.1%
|
|
| 1960 | 37 |
0.1%
|
|
| 1961 | 34 |
0.1%
|
|
| 1962 | 57 |
0.2%
|
|
| 1963 | 48 |
0.2%
|
|
| 1964 | 49 |
0.2%
|
|
| 1965 | 54 |
0.2%
|
|
| 1966 | 51 |
0.2%
|
|
| 1967 | 58 |
0.2%
|
|
| 1968 | 89 |
0.3%
|
|
| 1969 | 72 |
0.3%
|
|
| 1970 | 97 |
0.4%
|
|
| 1971 | 64 |
0.2%
|
|
| 1972 | 102 |
0.4%
|
|
| 1973 | 98 |
0.4%
|
|
| 1974 | 90 |
0.3%
|
|
| 1975 | 124 |
0.5%
|
|
| 1976 | 104 |
0.4%
|
|
| 1977 | 109 |
0.4%
|
|
| 1978 | 129 |
0.5%
|
|
| 1979 | 133 |
0.5%
|
|
| 1980 | 141 |
0.5%
|
|
| 1981 | 122 |
0.5%
|
|
| 1982 | 146 |
0.5%
|
|
| 1983 | 129 |
0.5%
|
|
| 1984 | 139 |
0.5%
|
|
| 1985 | 148 |
0.6%
|
|
| 1986 | 155 |
0.6%
|
|
| 1987 | 148 |
0.6%
|
|
| 1988 | 164 |
0.6%
|
|
| 1989 | 122 |
0.5%
|
|
| 1990 | 136 |
0.5%
|
|
| 1991 | 150 |
0.6%
|
|
| 1992 | 125 |
0.5%
|
|
| 1993 | 120 |
0.4%
|
|
| 1994 | 128 |
0.5%
|
|
| 1995 | 126 |
0.5%
|
|
| 1996 | 148 |
0.6%
|
|
| 1997 | 148 |
0.6%
|
|
| 1998 | 133 |
0.5%
|
|
| 1999 | 135 |
0.5%
|
|
| 2000 | 157 |
0.6%
|
|
| 2001 | 131 |
0.5%
|
|
| 2002 | 144 |
0.5%
|
|
| 2003 | 153 |
0.6%
|
|
| 2004 | 201 |
0.7%
|
|
| 2005 | 190 |
0.7%
|
|
| 2006 | 181 |
0.7%
|
|
| 2007 | 207 |
0.8%
|
|
| 2008 | 217 |
0.8%
|
|
| 2009 | 214 |
0.8%
|
|
| 2010 | 227 |
0.8%
|
|
| 2011 | 241 |
0.9%
|
|
| 2012 | 201 |
0.7%
|
|
| 2013 | 258 |
1%
|
|
| 2014 | 240 |
0.9%
|
|
| 2015 | 55 |
0.2%
|
|
| 3333 | Missing | 4 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 3 |
0%
|
| 9999 | Don't know | 178 |
0.7%
|
| Sysmiss | 19106 |
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.