National Income Dynamics Study 2010-2011, Wave 2 Secure Data
South Africa, 2010 - 2011
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Reference ID
zaf-saldru-nidssd-2010-2011-v4.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
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Created on
Aug 24, 2018
Last modified
Oct 18, 2023
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e7 - Biological mother's year of death (w2_c_mthdthy)
Data file: Child_W2_Secure_V4.0.0
Overview
Valid:
825
Invalid:
10468
Type:
Discrete
Decimal:
0
loc_start_pos:
991
loc_end_pos:
994
Width:
4
Range:
1996 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 1 |
0.1%
|
|
| 1997 | 3 |
0.4%
|
|
| 1998 | 6 |
0.7%
|
|
| 1999 | 6 |
0.7%
|
|
| 2000 | 8 |
1%
|
|
| 2001 | 19 |
2.3%
|
|
| 2002 | 17 |
2.1%
|
|
| 2003 | 40 |
4.8%
|
|
| 2004 | 40 |
4.8%
|
|
| 2005 | 62 |
7.5%
|
|
| 2006 | 54 |
6.5%
|
|
| 2007 | 80 |
9.7%
|
|
| 2008 | 80 |
9.7%
|
|
| 2009 | 88 |
10.7%
|
|
| 2010 | 74 |
9%
|
|
| 2011 | 3 |
0.4%
|
|
| 2222 | Not asked in Phase 2 | 0 |
0%
|
| 3333 | Missing | 79 |
9.6%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 18 |
2.2%
|
| 9999 | Don't know | 147 |
17.8%
|
| Sysmiss | 10468 |
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.