National Income Dynamics Study Secure Data 2012
Wave 3
South Africa, 2012
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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
318413
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- 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
b1_m - Date of birth (month) (w3_a_dob_m)
Data file: Adult_W3_Secure_V3.0.0_metadata
Overview
Valid:
18689
Invalid:
3768
Type:
Discrete
Decimal:
0
loc_start_pos:
70
loc_end_pos:
71
Width:
2
Range:
1 - 99
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 1694 |
9.1%
|
| 2 | February | 1382 |
7.4%
|
| 3 | March | 1603 |
8.6%
|
| 4 | April | 1566 |
8.4%
|
| 5 | May | 1545 |
8.3%
|
| 6 | June | 1722 |
9.2%
|
| 7 | July | 1493 |
8%
|
| 8 | August | 1623 |
8.7%
|
| 9 | September | 1630 |
8.7%
|
| 10 | October | 1467 |
7.8%
|
| 11 | November | 1381 |
7.4%
|
| 12 | December | 1569 |
8.4%
|
| 33 | Missing | 0 |
0%
|
| 55 | Not applicable | 0 |
0%
|
| 88 | Refused | 0 |
0%
|
| 99 | Don't know | 14 |
0.1%
|
| Sysmiss | 3768 |
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.