National Income Dynamics Study 2010-2011, Wave 2 Secure Data
South Africa, 2010 - 2011
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Reference ID
zaf-saldru-nidssd-2010-2011-v4.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
229460
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d2 - Biological mother's age at death (w2_a_mthdtha)
Data file: Adult_W2_Secure_V4.0.0
Overview
Valid:
7439
Invalid:
14435
Type:
Discrete
Decimal:
0
loc_start_pos:
850
loc_end_pos:
852
Width:
3
Range:
-9 - 120
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 4316 |
58%
|
| -8 | -8. Refused | 90 |
1.2%
|
| -5 | -5. Not Applicable | 0 |
0%
|
| -3 | -3. Missing | 141 |
1.9%
|
| -2 | -2. Not asked in Phase 2 | 732 |
9.8%
|
| 20 | 4 |
0.1%
|
|
| 21 | 2 |
0%
|
|
| 22 | 3 |
0%
|
|
| 23 | 3 |
0%
|
|
| 25 | 5 |
0.1%
|
|
| 26 | 3 |
0%
|
|
| 27 | 2 |
0%
|
|
| 28 | 3 |
0%
|
|
| 29 | 11 |
0.1%
|
|
| 30 | 23 |
0.3%
|
|
| 31 | 11 |
0.1%
|
|
| 32 | 23 |
0.3%
|
|
| 33 | 22 |
0.3%
|
|
| 34 | 23 |
0.3%
|
|
| 35 | 33 |
0.4%
|
|
| 36 | 35 |
0.5%
|
|
| 37 | 31 |
0.4%
|
|
| 38 | 40 |
0.5%
|
|
| 39 | 23 |
0.3%
|
|
| 40 | 42 |
0.6%
|
|
| 41 | 24 |
0.3%
|
|
| 42 | 47 |
0.6%
|
|
| 43 | 42 |
0.6%
|
|
| 44 | 29 |
0.4%
|
|
| 45 | 40 |
0.5%
|
|
| 46 | 33 |
0.4%
|
|
| 47 | 36 |
0.5%
|
|
| 48 | 44 |
0.6%
|
|
| 49 | 30 |
0.4%
|
|
| 50 | 56 |
0.8%
|
|
| 51 | 25 |
0.3%
|
|
| 52 | 49 |
0.7%
|
|
| 53 | 29 |
0.4%
|
|
| 54 | 34 |
0.5%
|
|
| 55 | 43 |
0.6%
|
|
| 56 | 39 |
0.5%
|
|
| 57 | 38 |
0.5%
|
|
| 58 | 44 |
0.6%
|
|
| 59 | 44 |
0.6%
|
|
| 60 | 71 |
1%
|
|
| 61 | 27 |
0.4%
|
|
| 62 | 45 |
0.6%
|
|
| 63 | 39 |
0.5%
|
|
| 64 | 33 |
0.4%
|
|
| 65 | 55 |
0.7%
|
|
| 66 | 19 |
0.3%
|
|
| 67 | 43 |
0.6%
|
|
| 68 | 34 |
0.5%
|
|
| 69 | 35 |
0.5%
|
|
| 70 | 59 |
0.8%
|
|
| 71 | 34 |
0.5%
|
|
| 72 | 53 |
0.7%
|
|
| 73 | 28 |
0.4%
|
|
| 74 | 29 |
0.4%
|
|
| 75 | 51 |
0.7%
|
|
| 76 | 31 |
0.4%
|
|
| 77 | 24 |
0.3%
|
|
| 78 | 31 |
0.4%
|
|
| 79 | 27 |
0.4%
|
|
| 80 | 46 |
0.6%
|
|
| 81 | 17 |
0.2%
|
|
| 82 | 30 |
0.4%
|
|
| 83 | 25 |
0.3%
|
|
| 84 | 23 |
0.3%
|
|
| 85 | 23 |
0.3%
|
|
| 86 | 21 |
0.3%
|
|
| 87 | 16 |
0.2%
|
|
| 88 | 21 |
0.3%
|
|
| 89 | 13 |
0.2%
|
|
| 90 | 14 |
0.2%
|
|
| 91 | 10 |
0.1%
|
|
| 92 | 12 |
0.2%
|
|
| 93 | 2 |
0%
|
|
| 94 | 13 |
0.2%
|
|
| 95 | 4 |
0.1%
|
|
| 96 | 3 |
0%
|
|
| 97 | 2 |
0%
|
|
| 98 | 7 |
0.1%
|
|
| 99 | 2 |
0%
|
|
| 100 | 5 |
0.1%
|
|
| 101 | 3 |
0%
|
|
| 102 | 1 |
0%
|
|
| 103 | 4 |
0.1%
|
|
| 104 | 3 |
0%
|
|
| 105 | 1 |
0%
|
|
| 106 | 1 |
0%
|
|
| 110 | 1 |
0%
|
|
| 120 | 1 |
0%
|
|
| Sysmiss | 14435 |
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.