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
168926
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c2_3_4 - Date of birth (year) of child 4 (w1_a_bhdob_y4)
Data file: Adult_W1_Secure_V7.0.0
Overview
Valid:
2881
Invalid:
13991
Type:
Discrete
Decimal:
0
Width:
4
Range:
1943 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1943 | 1 |
0%
|
|
| 1950 | 4 |
0%
|
|
| 1951 | 4 |
0%
|
|
| 1952 | 5 |
0%
|
|
| 1953 | 6 |
0%
|
|
| 1954 | 1 |
0%
|
|
| 1955 | 6 |
0%
|
|
| 1956 | 3 |
0%
|
|
| 1957 | 9 |
0.1%
|
|
| 1958 | 12 |
0.1%
|
|
| 1959 | 5 |
0%
|
|
| 1960 | 14 |
0.1%
|
|
| 1961 | 7 |
0%
|
|
| 1962 | 21 |
0.1%
|
|
| 1963 | 28 |
0.2%
|
|
| 1964 | 26 |
0.2%
|
|
| 1965 | 36 |
0.2%
|
|
| 1966 | 30 |
0.2%
|
|
| 1967 | 25 |
0.1%
|
|
| 1968 | 41 |
0.2%
|
|
| 1969 | 38 |
0.2%
|
|
| 1970 | 44 |
0.3%
|
|
| 1971 | 38 |
0.2%
|
|
| 1972 | 49 |
0.3%
|
|
| 1973 | 48 |
0.3%
|
|
| 1974 | 56 |
0.3%
|
|
| 1975 | 54 |
0.3%
|
|
| 1976 | 63 |
0.4%
|
|
| 1977 | 66 |
0.4%
|
|
| 1978 | 52 |
0.3%
|
|
| 1979 | 53 |
0.3%
|
|
| 1980 | 56 |
0.3%
|
|
| 1981 | 42 |
0.2%
|
|
| 1982 | 53 |
0.3%
|
|
| 1983 | 56 |
0.3%
|
|
| 1984 | 54 |
0.3%
|
|
| 1985 | 86 |
0.5%
|
|
| 1986 | 72 |
0.4%
|
|
| 1987 | 55 |
0.3%
|
|
| 1988 | 57 |
0.3%
|
|
| 1989 | 66 |
0.4%
|
|
| 1990 | 76 |
0.5%
|
|
| 1991 | 80 |
0.5%
|
|
| 1992 | 60 |
0.4%
|
|
| 1993 | 72 |
0.4%
|
|
| 1994 | 52 |
0.3%
|
|
| 1995 | 60 |
0.4%
|
|
| 1996 | 51 |
0.3%
|
|
| 1997 | 65 |
0.4%
|
|
| 1998 | 46 |
0.3%
|
|
| 1999 | 54 |
0.3%
|
|
| 2000 | 41 |
0.2%
|
|
| 2001 | 49 |
0.3%
|
|
| 2002 | 45 |
0.3%
|
|
| 2003 | 48 |
0.3%
|
|
| 2004 | 57 |
0.3%
|
|
| 2005 | 53 |
0.3%
|
|
| 2006 | 56 |
0.3%
|
|
| 2007 | 54 |
0.3%
|
|
| 2008 | 14 |
0.1%
|
|
| 3333 | Missing | 11 |
0.1%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 2 |
0%
|
| 9999 | Don't know | 393 |
2.3%
|
| Sysmiss | 13991 |
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.