National Income Dynamics Study 2008, Wave 1 Secure Data
South Africa, 2008
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Reference ID
zaf-saldru-nidssd-2008-v7.0.0
Producer(s)
Southern Africa Labour and Development Research Unit
Collections
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
250590
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d2_m - Biological Mother's age at death (w1_a_mthdtha)
Data file: Adult_W1_Secure_V7.0.0
Overview
Valid:
6379
Invalid:
10493
Type:
Discrete
Decimal:
0
loc_start_pos:
987
loc_end_pos:
989
Width:
3
Range:
-9 - 115
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 3759 |
58.9%
|
| -8 | Refused | 12 |
0.2%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 239 |
3.7%
|
| 13 | 1 |
0%
|
|
| 16 | 6 |
0.1%
|
|
| 17 | 5 |
0.1%
|
|
| 18 | 3 |
0%
|
|
| 19 | 4 |
0.1%
|
|
| 20 | 6 |
0.1%
|
|
| 22 | 2 |
0%
|
|
| 23 | 2 |
0%
|
|
| 24 | 5 |
0.1%
|
|
| 25 | 6 |
0.1%
|
|
| 26 | 11 |
0.2%
|
|
| 27 | 8 |
0.1%
|
|
| 28 | 11 |
0.2%
|
|
| 29 | 7 |
0.1%
|
|
| 30 | 11 |
0.2%
|
|
| 31 | 21 |
0.3%
|
|
| 32 | 24 |
0.4%
|
|
| 33 | 18 |
0.3%
|
|
| 34 | 27 |
0.4%
|
|
| 35 | 28 |
0.4%
|
|
| 36 | 30 |
0.5%
|
|
| 37 | 21 |
0.3%
|
|
| 38 | 32 |
0.5%
|
|
| 39 | 22 |
0.3%
|
|
| 40 | 46 |
0.7%
|
|
| 41 | 32 |
0.5%
|
|
| 42 | 49 |
0.8%
|
|
| 43 | 41 |
0.6%
|
|
| 44 | 18 |
0.3%
|
|
| 45 | 65 |
1%
|
|
| 46 | 42 |
0.7%
|
|
| 47 | 30 |
0.5%
|
|
| 48 | 38 |
0.6%
|
|
| 49 | 41 |
0.6%
|
|
| 50 | 44 |
0.7%
|
|
| 51 | 29 |
0.5%
|
|
| 52 | 46 |
0.7%
|
|
| 53 | 29 |
0.5%
|
|
| 54 | 34 |
0.5%
|
|
| 55 | 42 |
0.7%
|
|
| 56 | 35 |
0.5%
|
|
| 57 | 34 |
0.5%
|
|
| 58 | 52 |
0.8%
|
|
| 59 | 45 |
0.7%
|
|
| 60 | 94 |
1.5%
|
|
| 61 | 29 |
0.5%
|
|
| 62 | 49 |
0.8%
|
|
| 63 | 51 |
0.8%
|
|
| 64 | 53 |
0.8%
|
|
| 65 | 70 |
1.1%
|
|
| 66 | 22 |
0.3%
|
|
| 67 | 46 |
0.7%
|
|
| 68 | 55 |
0.9%
|
|
| 69 | 40 |
0.6%
|
|
| 70 | 57 |
0.9%
|
|
| 71 | 34 |
0.5%
|
|
| 72 | 57 |
0.9%
|
|
| 73 | 31 |
0.5%
|
|
| 74 | 40 |
0.6%
|
|
| 75 | 47 |
0.7%
|
|
| 76 | 42 |
0.7%
|
|
| 77 | 31 |
0.5%
|
|
| 78 | 32 |
0.5%
|
|
| 79 | 27 |
0.4%
|
|
| 80 | 45 |
0.7%
|
|
| 81 | 19 |
0.3%
|
|
| 82 | 36 |
0.6%
|
|
| 83 | 31 |
0.5%
|
|
| 84 | 39 |
0.6%
|
|
| 85 | 29 |
0.5%
|
|
| 86 | 34 |
0.5%
|
|
| 87 | 16 |
0.3%
|
|
| 88 | 17 |
0.3%
|
|
| 89 | 14 |
0.2%
|
|
| 90 | 13 |
0.2%
|
|
| 91 | 9 |
0.1%
|
|
| 92 | 11 |
0.2%
|
|
| 93 | 2 |
0%
|
|
| 94 | 7 |
0.1%
|
|
| 95 | 7 |
0.1%
|
|
| 96 | 5 |
0.1%
|
|
| 97 | 4 |
0.1%
|
|
| 98 | 2 |
0%
|
|
| 99 | 1 |
0%
|
|
| 100 | 4 |
0.1%
|
|
| 101 | 1 |
0%
|
|
| 102 | 2 |
0%
|
|
| 103 | 2 |
0%
|
|
| 104 | 3 |
0%
|
|
| 105 | 1 |
0%
|
|
| 108 | 1 |
0%
|
|
| 110 | 3 |
0%
|
|
| 115 | 1 |
0%
|
|
| Sysmiss | 10493 |
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.