National Income Dynamics Study 2008
Wave 1
South Africa, 2008
Get Microdata
Reference ID
zaf-saldru-nids-2008-v7.0.0
Producer(s)
Southern Africa Labour and Development Research Unit
Collections
Created on
Nov 24, 2013
Last modified
Jun 25, 2026
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j29 - Age when respondent began to smoke cigarettes (w1_a_hllfsmkfrs)
Data file: Adult_W1_Anon_V7.0.0
Overview
Valid:
3973
Invalid:
12899
Type:
Discrete
Width:
18
Range:
-
Format:
Numeric
Questions and instructions
Categories
| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused |
| -5 | Not Applicable |
| -3 | Missing |
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| Sysmiss |
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.