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,
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Metadata
Created on
Nov 24, 2013
Last modified
Jul 18, 2023
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c2_3_y7 - Date of birth (year) of child 7 (w2_a_bhdob_y7)
Data file: Adult_W2_Anon_V4.0.0
Overview
Valid:
929
Invalid:
20945
Type:
Discrete
Decimal:
0
loc_start_pos:
310
loc_end_pos:
313
Width:
4
Range:
1959 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1959 | 1 |
0.1%
|
|
| 1960 | 2 |
0.2%
|
|
| 1961 | 3 |
0.3%
|
|
| 1962 | 2 |
0.2%
|
|
| 1963 | 4 |
0.4%
|
|
| 1964 | 5 |
0.5%
|
|
| 1965 | 4 |
0.4%
|
|
| 1966 | 3 |
0.3%
|
|
| 1967 | 5 |
0.5%
|
|
| 1968 | 8 |
0.9%
|
|
| 1969 | 6 |
0.6%
|
|
| 1970 | 16 |
1.7%
|
|
| 1971 | 9 |
1%
|
|
| 1972 | 6 |
0.6%
|
|
| 1973 | 9 |
1%
|
|
| 1974 | 14 |
1.5%
|
|
| 1975 | 16 |
1.7%
|
|
| 1976 | 20 |
2.2%
|
|
| 1977 | 19 |
2%
|
|
| 1978 | 21 |
2.3%
|
|
| 1979 | 23 |
2.5%
|
|
| 1980 | 11 |
1.2%
|
|
| 1981 | 14 |
1.5%
|
|
| 1982 | 21 |
2.3%
|
|
| 1983 | 22 |
2.4%
|
|
| 1984 | 16 |
1.7%
|
|
| 1985 | 24 |
2.6%
|
|
| 1986 | 19 |
2%
|
|
| 1987 | 23 |
2.5%
|
|
| 1988 | 17 |
1.8%
|
|
| 1989 | 25 |
2.7%
|
|
| 1990 | 20 |
2.2%
|
|
| 1991 | 15 |
1.6%
|
|
| 1992 | 19 |
2%
|
|
| 1993 | 19 |
2%
|
|
| 1994 | 18 |
1.9%
|
|
| 1995 | 14 |
1.5%
|
|
| 1996 | 21 |
2.3%
|
|
| 1997 | 12 |
1.3%
|
|
| 1998 | 17 |
1.8%
|
|
| 1999 | 10 |
1.1%
|
|
| 2000 | 10 |
1.1%
|
|
| 2001 | 11 |
1.2%
|
|
| 2002 | 8 |
0.9%
|
|
| 2003 | 9 |
1%
|
|
| 2004 | 8 |
0.9%
|
|
| 2005 | 7 |
0.8%
|
|
| 2006 | 9 |
1%
|
|
| 2007 | 13 |
1.4%
|
|
| 2008 | 6 |
0.6%
|
|
| 2009 | 4 |
0.4%
|
|
| 2010 | 5 |
0.5%
|
|
| 2011 | 1 |
0.1%
|
|
| 2222 | Not asked in Phase 2 | 0 |
0%
|
| 3333 | Missing | 3 |
0.3%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 282 |
30.4%
|
| Sysmiss | 20945 |
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.