National Income Dynamics Study 2008, Wave 1 Secure Data
South Africa, 2008
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Reference ID
zaf-saldru-nidssd-2008-v7.0.0
Producer(s)
Southern Africa Labour and Development Research Unit
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
169007
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c2_3_1 - Date of birth (year) of child 1 (w1_a_bhdob_y1)
Data file: Adult_W1_Secure_V7.0.0
Overview
Valid:
7328
Invalid:
9544
Type:
Discrete
Decimal:
0
Width:
4
Range:
1929 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1929 | 1 |
0%
|
|
| 1930 | 1 |
0%
|
|
| 1932 | 1 |
0%
|
|
| 1937 | 1 |
0%
|
|
| 1938 | 2 |
0%
|
|
| 1940 | 2 |
0%
|
|
| 1941 | 5 |
0%
|
|
| 1942 | 8 |
0%
|
|
| 1943 | 6 |
0%
|
|
| 1944 | 5 |
0%
|
|
| 1945 | 5 |
0%
|
|
| 1946 | 7 |
0%
|
|
| 1947 | 9 |
0.1%
|
|
| 1948 | 21 |
0.1%
|
|
| 1949 | 15 |
0.1%
|
|
| 1950 | 24 |
0.1%
|
|
| 1951 | 18 |
0.1%
|
|
| 1952 | 34 |
0.2%
|
|
| 1953 | 24 |
0.1%
|
|
| 1954 | 31 |
0.2%
|
|
| 1955 | 31 |
0.2%
|
|
| 1956 | 41 |
0.2%
|
|
| 1957 | 44 |
0.3%
|
|
| 1958 | 60 |
0.4%
|
|
| 1959 | 52 |
0.3%
|
|
| 1960 | 83 |
0.5%
|
|
| 1961 | 55 |
0.3%
|
|
| 1962 | 79 |
0.5%
|
|
| 1963 | 68 |
0.4%
|
|
| 1964 | 78 |
0.5%
|
|
| 1965 | 93 |
0.6%
|
|
| 1966 | 96 |
0.6%
|
|
| 1967 | 71 |
0.4%
|
|
| 1968 | 98 |
0.6%
|
|
| 1969 | 103 |
0.6%
|
|
| 1970 | 107 |
0.6%
|
|
| 1971 | 90 |
0.5%
|
|
| 1972 | 110 |
0.7%
|
|
| 1973 | 128 |
0.8%
|
|
| 1974 | 122 |
0.7%
|
|
| 1975 | 118 |
0.7%
|
|
| 1976 | 142 |
0.8%
|
|
| 1977 | 147 |
0.9%
|
|
| 1978 | 109 |
0.6%
|
|
| 1979 | 142 |
0.8%
|
|
| 1980 | 119 |
0.7%
|
|
| 1981 | 131 |
0.8%
|
|
| 1982 | 181 |
1.1%
|
|
| 1983 | 144 |
0.9%
|
|
| 1984 | 153 |
0.9%
|
|
| 1985 | 155 |
0.9%
|
|
| 1986 | 138 |
0.8%
|
|
| 1987 | 114 |
0.7%
|
|
| 1988 | 145 |
0.9%
|
|
| 1989 | 174 |
1%
|
|
| 1990 | 161 |
1%
|
|
| 1991 | 145 |
0.9%
|
|
| 1992 | 146 |
0.9%
|
|
| 1993 | 144 |
0.9%
|
|
| 1994 | 162 |
1%
|
|
| 1995 | 136 |
0.8%
|
|
| 1996 | 152 |
0.9%
|
|
| 1997 | 158 |
0.9%
|
|
| 1998 | 160 |
0.9%
|
|
| 1999 | 164 |
1%
|
|
| 2000 | 181 |
1.1%
|
|
| 2001 | 159 |
0.9%
|
|
| 2002 | 178 |
1.1%
|
|
| 2003 | 215 |
1.3%
|
|
| 2004 | 186 |
1.1%
|
|
| 2005 | 209 |
1.2%
|
|
| 2006 | 238 |
1.4%
|
|
| 2007 | 276 |
1.6%
|
|
| 2008 | 87 |
0.5%
|
|
| 3333 | Missing | 2 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 3 |
0%
|
| 9999 | Don't know | 125 |
0.7%
|
| Sysmiss | 9544 |
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.