National Income Dynamics Study Secure Data 2012
Wave 3
South Africa, 2012
Get Microdata
Reference ID
zaf-saldru-nidssd-2012-v3.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 24, 2018
Last modified
Feb 19, 2026
Page views
316784
Downloads
1699
- Data files
- Admin_W3_Secure_V3.0.0_metadata
- Adult_W3_Secure_V3.0.0_metadata
- Child_W3_Secure_V3.0.0_metadata
- hhderived_W3_Secure_V3.0.0_metadata
- HHQuestionnaire_W3_Secure_V3.0.0_metadata
- HouseholdRoster_W3_Secure_V3.0.0_metadata
- indderived_W3_Secure_V3.0.0_metadata
- Link_File_W3_Secure_V3.0.0_metadata
- Proxy_W3_Secure_V3.0.0_metadata
j13_5_b - Year in which respondent was diagnosed with asthma (w3_a_hlast_yr)
Data file: Adult_W3_Secure_V3.0.0_metadata
Overview
Valid:
650
Invalid:
21807
Type:
Discrete
Decimal:
0
loc_start_pos:
3732
loc_end_pos:
3735
Width:
4
Range:
1947 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1947 | 1 |
0.2%
|
|
| 1950 | 1 |
0.2%
|
|
| 1954 | 2 |
0.3%
|
|
| 1956 | 2 |
0.3%
|
|
| 1957 | 1 |
0.2%
|
|
| 1959 | 1 |
0.2%
|
|
| 1960 | 1 |
0.2%
|
|
| 1961 | 2 |
0.3%
|
|
| 1962 | 1 |
0.2%
|
|
| 1963 | 1 |
0.2%
|
|
| 1965 | 1 |
0.2%
|
|
| 1966 | 1 |
0.2%
|
|
| 1968 | 1 |
0.2%
|
|
| 1970 | 4 |
0.6%
|
|
| 1971 | 1 |
0.2%
|
|
| 1972 | 2 |
0.3%
|
|
| 1974 | 1 |
0.2%
|
|
| 1975 | 4 |
0.6%
|
|
| 1976 | 2 |
0.3%
|
|
| 1978 | 3 |
0.5%
|
|
| 1979 | 1 |
0.2%
|
|
| 1980 | 5 |
0.8%
|
|
| 1981 | 3 |
0.5%
|
|
| 1982 | 4 |
0.6%
|
|
| 1983 | 2 |
0.3%
|
|
| 1984 | 8 |
1.2%
|
|
| 1985 | 4 |
0.6%
|
|
| 1986 | 8 |
1.2%
|
|
| 1987 | 6 |
0.9%
|
|
| 1988 | 2 |
0.3%
|
|
| 1989 | 4 |
0.6%
|
|
| 1990 | 12 |
1.8%
|
|
| 1991 | 2 |
0.3%
|
|
| 1992 | 3 |
0.5%
|
|
| 1993 | 14 |
2.2%
|
|
| 1994 | 18 |
2.8%
|
|
| 1995 | 12 |
1.8%
|
|
| 1996 | 10 |
1.5%
|
|
| 1997 | 8 |
1.2%
|
|
| 1998 | 8 |
1.2%
|
|
| 1999 | 13 |
2%
|
|
| 2000 | 24 |
3.7%
|
|
| 2001 | 13 |
2%
|
|
| 2002 | 21 |
3.2%
|
|
| 2003 | 13 |
2%
|
|
| 2004 | 9 |
1.4%
|
|
| 2005 | 27 |
4.2%
|
|
| 2006 | 20 |
3.1%
|
|
| 2007 | 30 |
4.6%
|
|
| 2008 | 32 |
4.9%
|
|
| 2009 | 38 |
5.8%
|
|
| 2010 | 52 |
8%
|
|
| 2011 | 44 |
6.8%
|
|
| 2012 | 33 |
5.1%
|
|
| 3333 | Missing | 3 |
0.5%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 111 |
17.1%
|
| Sysmiss | 21807 |
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.