National Income Dynamics Study 2017, Wave 5
South Africa, 2017
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Reference ID
zaf-saldru-nids-2017-v1.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 28, 2018
Last modified
Jun 11, 2023
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c2_6_y1 - Date of birth (year) of child 1 (w5_a_bhdob_y1)
Data file: adult_w5_anon_v1.0.0
Overview
Valid:
373
Invalid:
626
Type:
Discrete
Decimal:
0
loc_start_pos:
145
loc_end_pos:
148
Width:
4
Range:
1954 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1954 | 1 |
0.3%
|
|
| 1956 | 1 |
0.3%
|
|
| 1957 | 1 |
0.3%
|
|
| 1959 | 2 |
0.5%
|
|
| 1960 | 1 |
0.3%
|
|
| 1961 | 1 |
0.3%
|
|
| 1962 | 4 |
1.1%
|
|
| 1963 | 3 |
0.8%
|
|
| 1964 | 2 |
0.5%
|
|
| 1965 | 1 |
0.3%
|
|
| 1966 | 2 |
0.5%
|
|
| 1967 | 5 |
1.3%
|
|
| 1968 | 1 |
0.3%
|
|
| 1969 | 3 |
0.8%
|
|
| 1970 | 3 |
0.8%
|
|
| 1971 | 4 |
1.1%
|
|
| 1972 | 4 |
1.1%
|
|
| 1973 | 5 |
1.3%
|
|
| 1974 | 4 |
1.1%
|
|
| 1975 | 4 |
1.1%
|
|
| 1976 | 6 |
1.6%
|
|
| 1977 | 3 |
0.8%
|
|
| 1978 | 8 |
2.1%
|
|
| 1979 | 7 |
1.9%
|
|
| 1980 | 5 |
1.3%
|
|
| 1981 | 5 |
1.3%
|
|
| 1982 | 10 |
2.7%
|
|
| 1983 | 6 |
1.6%
|
|
| 1984 | 4 |
1.1%
|
|
| 1985 | 3 |
0.8%
|
|
| 1986 | 7 |
1.9%
|
|
| 1987 | 5 |
1.3%
|
|
| 1989 | 6 |
1.6%
|
|
| 1990 | 7 |
1.9%
|
|
| 1991 | 5 |
1.3%
|
|
| 1992 | 5 |
1.3%
|
|
| 1993 | 6 |
1.6%
|
|
| 1994 | 5 |
1.3%
|
|
| 1995 | 6 |
1.6%
|
|
| 1996 | 4 |
1.1%
|
|
| 1997 | 13 |
3.5%
|
|
| 1998 | 10 |
2.7%
|
|
| 1999 | 5 |
1.3%
|
|
| 2000 | 5 |
1.3%
|
|
| 2001 | 5 |
1.3%
|
|
| 2002 | 9 |
2.4%
|
|
| 2003 | 10 |
2.7%
|
|
| 2004 | 11 |
2.9%
|
|
| 2005 | 7 |
1.9%
|
|
| 2006 | 9 |
2.4%
|
|
| 2007 | 16 |
4.3%
|
|
| 2008 | 11 |
2.9%
|
|
| 2009 | 9 |
2.4%
|
|
| 2010 | 13 |
3.5%
|
|
| 2011 | 16 |
4.3%
|
|
| 2012 | 8 |
2.1%
|
|
| 2013 | 8 |
2.1%
|
|
| 2014 | 12 |
3.2%
|
|
| 2015 | 10 |
2.7%
|
|
| 2016 | 12 |
3.2%
|
|
| 2017 | 8 |
2.1%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 1 |
0.3%
|
| Sysmiss | 626 |
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.