National Income Dynamics Study 2012
South Africa, 2012
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Reference ID
ZAF_2012_NIDS-W3_v01_EN_M_v01_A_OCS
Producer(s)
Southern Africa Labour and Development Research Unit
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Metadata
Created on
Oct 07, 2020
Last modified
Nov 03, 2020
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e13 - Mother's year of birth (w3_c_mthbrthy)
Data file: Child_W3_Anon_V2.1
Overview
Valid:
3435
Invalid:
8781
Minimum:
1943
Maximum:
9999
Type:
Discrete
Decimal:
0
Start:
516
End:
519
Width:
4
Range:
1943 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1943 | 1 |
0%
|
|
| 1952 | 3 |
0.1%
|
|
| 1953 | 2 |
0.1%
|
|
| 1954 | 7 |
0.2%
|
|
| 1955 | 1 |
0%
|
|
| 1956 | 4 |
0.1%
|
|
| 1958 | 3 |
0.1%
|
|
| 1959 | 6 |
0.2%
|
|
| 1960 | 8 |
0.2%
|
|
| 1961 | 9 |
0.3%
|
|
| 1962 | 13 |
0.4%
|
|
| 1963 | 14 |
0.4%
|
|
| 1964 | 15 |
0.4%
|
|
| 1965 | 26 |
0.8%
|
|
| 1966 | 26 |
0.8%
|
|
| 1967 | 35 |
1%
|
|
| 1968 | 44 |
1.3%
|
|
| 1969 | 45 |
1.3%
|
|
| 1970 | 63 |
1.8%
|
|
| 1971 | 39 |
1.1%
|
|
| 1972 | 81 |
2.4%
|
|
| 1973 | 90 |
2.6%
|
|
| 1974 | 80 |
2.3%
|
|
| 1975 | 117 |
3.4%
|
|
| 1976 | 117 |
3.4%
|
|
| 1977 | 104 |
3%
|
|
| 1978 | 97 |
2.8%
|
|
| 1979 | 126 |
3.7%
|
|
| 1980 | 127 |
3.7%
|
|
| 1981 | 125 |
3.6%
|
|
| 1982 | 173 |
5%
|
|
| 1983 | 155 |
4.5%
|
|
| 1984 | 109 |
3.2%
|
|
| 1985 | 113 |
3.3%
|
|
| 1986 | 91 |
2.6%
|
|
| 1987 | 80 |
2.3%
|
|
| 1988 | 69 |
2%
|
|
| 1989 | 48 |
1.4%
|
|
| 1990 | 55 |
1.6%
|
|
| 1991 | 26 |
0.8%
|
|
| 1992 | 24 |
0.7%
|
|
| 1993 | 11 |
0.3%
|
|
| 1994 | 3 |
0.1%
|
|
| 1995 | 3 |
0.1%
|
|
| 1996 | 5 |
0.1%
|
|
| 3333 | Missing | 30 |
0.9%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 1012 |
29.5%
|
| Sysmiss | 8781 |
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.