National Income Dynamics Study 2017, Wave 5 Secure Data
South Africa, 2017
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Reference ID
zaf-saldru-nidssd-2017-v1.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
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Created on
Aug 28, 2018
Last modified
Aug 29, 2018
Page views
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c2_6_y3 - Date of birth (year) of child 3 (w5_a_bhdob_y3)
Data file: adult_w5_secure_v1.0.0
Overview
Valid:
5515
Invalid:
24595
Type:
Discrete
Decimal:
0
Width:
4
Range:
1949 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1949 | 1 |
0%
|
|
| 1950 | 3 |
0%
|
|
| 1951 | 3 |
0%
|
|
| 1952 | 2 |
0%
|
|
| 1953 | 2 |
0%
|
|
| 1954 | 2 |
0%
|
|
| 1955 | 2 |
0%
|
|
| 1956 | 7 |
0%
|
|
| 1957 | 7 |
0%
|
|
| 1958 | 7 |
0%
|
|
| 1959 | 8 |
0%
|
|
| 1960 | 17 |
0.1%
|
|
| 1961 | 14 |
0%
|
|
| 1962 | 17 |
0.1%
|
|
| 1963 | 34 |
0.1%
|
|
| 1964 | 32 |
0.1%
|
|
| 1965 | 33 |
0.1%
|
|
| 1966 | 37 |
0.1%
|
|
| 1967 | 30 |
0.1%
|
|
| 1968 | 39 |
0.1%
|
|
| 1969 | 42 |
0.1%
|
|
| 1970 | 62 |
0.2%
|
|
| 1971 | 54 |
0.2%
|
|
| 1972 | 63 |
0.2%
|
|
| 1973 | 62 |
0.2%
|
|
| 1974 | 79 |
0.3%
|
|
| 1975 | 80 |
0.3%
|
|
| 1976 | 87 |
0.3%
|
|
| 1977 | 77 |
0.3%
|
|
| 1978 | 65 |
0.2%
|
|
| 1979 | 83 |
0.3%
|
|
| 1980 | 103 |
0.3%
|
|
| 1981 | 91 |
0.3%
|
|
| 1982 | 112 |
0.4%
|
|
| 1983 | 118 |
0.4%
|
|
| 1984 | 103 |
0.3%
|
|
| 1985 | 117 |
0.4%
|
|
| 1986 | 119 |
0.4%
|
|
| 1987 | 122 |
0.4%
|
|
| 1988 | 103 |
0.3%
|
|
| 1989 | 116 |
0.4%
|
|
| 1990 | 118 |
0.4%
|
|
| 1991 | 132 |
0.4%
|
|
| 1992 | 96 |
0.3%
|
|
| 1993 | 109 |
0.4%
|
|
| 1994 | 92 |
0.3%
|
|
| 1995 | 100 |
0.3%
|
|
| 1996 | 111 |
0.4%
|
|
| 1997 | 93 |
0.3%
|
|
| 1998 | 91 |
0.3%
|
|
| 1999 | 111 |
0.4%
|
|
| 2000 | 111 |
0.4%
|
|
| 2001 | 107 |
0.4%
|
|
| 2002 | 92 |
0.3%
|
|
| 2003 | 91 |
0.3%
|
|
| 2004 | 104 |
0.3%
|
|
| 2005 | 105 |
0.3%
|
|
| 2006 | 106 |
0.4%
|
|
| 2007 | 116 |
0.4%
|
|
| 2008 | 124 |
0.4%
|
|
| 2009 | 106 |
0.4%
|
|
| 2010 | 137 |
0.5%
|
|
| 2011 | 132 |
0.4%
|
|
| 2012 | 129 |
0.4%
|
|
| 2013 | 123 |
0.4%
|
|
| 2014 | 139 |
0.5%
|
|
| 2015 | 178 |
0.6%
|
|
| 2016 | 141 |
0.5%
|
|
| 2017 | 45 |
0.1%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 2 |
0%
|
| 9999 | Don't know | 219 |
0.7%
|
| Sysmiss | 24595 |
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.