National Income Dynamics Study 2010-2011, Wave 2
South Africa, 2010 - 2011
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Reference ID
zaf-saldru-nids-2010-2011-v4.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Nov 24, 2013
Last modified
Jul 18, 2023
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c2_3_y2 - Date of birth (year) of child 2 (w2_a_bhdob_y2)
Data file: Adult_W2_Anon_V4.0.0
Overview
Valid:
5982
Invalid:
15892
Type:
Discrete
Decimal:
0
Width:
4
Range:
1934 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1934 | 1 |
0%
|
|
| 1935 | 1 |
0%
|
|
| 1940 | 2 |
0%
|
|
| 1943 | 3 |
0%
|
|
| 1944 | 1 |
0%
|
|
| 1945 | 1 |
0%
|
|
| 1946 | 4 |
0%
|
|
| 1947 | 1 |
0%
|
|
| 1948 | 5 |
0%
|
|
| 1949 | 3 |
0%
|
|
| 1950 | 10 |
0%
|
|
| 1951 | 6 |
0%
|
|
| 1952 | 19 |
0.1%
|
|
| 1953 | 7 |
0%
|
|
| 1954 | 19 |
0.1%
|
|
| 1955 | 20 |
0.1%
|
|
| 1956 | 19 |
0.1%
|
|
| 1957 | 16 |
0.1%
|
|
| 1958 | 34 |
0.2%
|
|
| 1959 | 26 |
0.1%
|
|
| 1960 | 40 |
0.2%
|
|
| 1961 | 42 |
0.2%
|
|
| 1962 | 75 |
0.3%
|
|
| 1963 | 48 |
0.2%
|
|
| 1964 | 48 |
0.2%
|
|
| 1965 | 58 |
0.3%
|
|
| 1966 | 50 |
0.2%
|
|
| 1967 | 53 |
0.2%
|
|
| 1968 | 83 |
0.4%
|
|
| 1969 | 68 |
0.3%
|
|
| 1970 | 97 |
0.4%
|
|
| 1971 | 54 |
0.2%
|
|
| 1972 | 92 |
0.4%
|
|
| 1973 | 98 |
0.4%
|
|
| 1974 | 80 |
0.4%
|
|
| 1975 | 105 |
0.5%
|
|
| 1976 | 97 |
0.4%
|
|
| 1977 | 89 |
0.4%
|
|
| 1978 | 102 |
0.5%
|
|
| 1979 | 118 |
0.5%
|
|
| 1980 | 119 |
0.5%
|
|
| 1981 | 118 |
0.5%
|
|
| 1982 | 133 |
0.6%
|
|
| 1983 | 129 |
0.6%
|
|
| 1984 | 119 |
0.5%
|
|
| 1985 | 136 |
0.6%
|
|
| 1986 | 139 |
0.6%
|
|
| 1987 | 125 |
0.6%
|
|
| 1988 | 126 |
0.6%
|
|
| 1989 | 107 |
0.5%
|
|
| 1990 | 124 |
0.6%
|
|
| 1991 | 125 |
0.6%
|
|
| 1992 | 114 |
0.5%
|
|
| 1993 | 103 |
0.5%
|
|
| 1994 | 114 |
0.5%
|
|
| 1995 | 100 |
0.5%
|
|
| 1996 | 137 |
0.6%
|
|
| 1997 | 122 |
0.6%
|
|
| 1998 | 123 |
0.6%
|
|
| 1999 | 122 |
0.6%
|
|
| 2000 | 135 |
0.6%
|
|
| 2001 | 114 |
0.5%
|
|
| 2002 | 122 |
0.6%
|
|
| 2003 | 122 |
0.6%
|
|
| 2004 | 162 |
0.7%
|
|
| 2005 | 152 |
0.7%
|
|
| 2006 | 155 |
0.7%
|
|
| 2007 | 187 |
0.9%
|
|
| 2008 | 184 |
0.8%
|
|
| 2009 | 186 |
0.9%
|
|
| 2010 | 136 |
0.6%
|
|
| 2011 | 15 |
0.1%
|
|
| 2222 | Not asked in Phase 2 | 0 |
0%
|
| 3333 | Missing | 6 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 176 |
0.8%
|
| Sysmiss | 15892 |
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.