National Income Dynamics Study Secure Data 2014-2015
Wave 4
South Africa, 2014 - 2015
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Reference ID
zaf-saldru-nidssd-2014-2015-v2.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 24, 2018
Last modified
Feb 19, 2026
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c2_6_m2 - Date of birth (month) of child 2 (w4_a_bhdob_m2)
Data file: Adult_W4_Secure_V2.0.0
Overview
Valid:
7698
Invalid:
19106
Type:
Discrete
Decimal:
0
loc_start_pos:
527
loc_end_pos:
528
Width:
2
Range:
1 - 99
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 588 |
7.6%
|
| 2 | February | 573 |
7.4%
|
| 3 | March | 643 |
8.4%
|
| 4 | April | 602 |
7.8%
|
| 5 | May | 596 |
7.7%
|
| 6 | June | 654 |
8.5%
|
| 7 | July | 628 |
8.2%
|
| 8 | August | 641 |
8.3%
|
| 9 | September | 698 |
9.1%
|
| 10 | October | 565 |
7.3%
|
| 11 | November | 517 |
6.7%
|
| 12 | December | 577 |
7.5%
|
| 33 | Missing | 4 |
0.1%
|
| 55 | Not applicable | 0 |
0%
|
| 88 | Refused | 6 |
0.1%
|
| 99 | Don't know | 406 |
5.3%
|
| Sysmiss | 19106 |
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.