National Income Dynamics Study 2012
South Africa, 2012
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Reference ID
ZAF_2012_NIDS-W3_v01_EN_M_v01_A_OCS
Producer(s)
Southern Africa Labour and Development Research Unit
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Metadata
Created on
Oct 07, 2020
Last modified
Nov 03, 2020
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j17 - Year in which respondent's eye sight was last tested (w3_a_hlvistest)
Data file: Adult_W3_Anon_V2.1
Overview
Valid:
18697
Invalid:
3769
Minimum:
-3
Maximum:
9999
Type:
Discrete
Decimal:
0
Start:
2473
End:
2476
Width:
4
Range:
-3 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| -3 | 1 |
0%
|
|
| 2000 | 78 |
0.4%
|
|
| 2001 | 42 |
0.2%
|
|
| 2002 | 47 |
0.3%
|
|
| 2003 | 48 |
0.3%
|
|
| 2004 | 80 |
0.4%
|
|
| 2005 | 100 |
0.5%
|
|
| 2006 | 111 |
0.6%
|
|
| 2007 | 147 |
0.8%
|
|
| 2008 | 264 |
1.4%
|
|
| 2009 | 398 |
2.1%
|
|
| 2010 | 909 |
4.9%
|
|
| 2011 | 1485 |
7.9%
|
|
| 2012 | 1288 |
6.9%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Can't remember | 2140 |
11.4%
|
| 7777 | Never | 11370 |
60.8%
|
| 8888 | Refused | 6 |
0%
|
| 9999 | Don't know | 183 |
1%
|
| Sysmiss | 3769 |
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.