National Income Dynamics Study 2014-2015, Wave 4
South Africa, 2014 - 2015
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Reference ID
zaf-saldru-nids-2014-2015-v2.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
May 17, 2016
Last modified
Jul 18, 2023
Page views
1796053
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e13 - Mother's year of birth (w4_c_mthbrthy)
Data file: Child_W4_Anon_V2.0.0
Overview
Valid:
4080
Invalid:
9891
Type:
Discrete
Decimal:
0
loc_start_pos:
1673
loc_end_pos:
1676
Width:
4
Range:
1937 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1937 | 1 |
0%
|
|
| 1947 | 1 |
0%
|
|
| 1953 | 1 |
0%
|
|
| 1956 | 2 |
0%
|
|
| 1958 | 4 |
0.1%
|
|
| 1959 | 4 |
0.1%
|
|
| 1960 | 7 |
0.2%
|
|
| 1961 | 4 |
0.1%
|
|
| 1962 | 8 |
0.2%
|
|
| 1963 | 13 |
0.3%
|
|
| 1964 | 14 |
0.3%
|
|
| 1965 | 27 |
0.7%
|
|
| 1966 | 26 |
0.6%
|
|
| 1967 | 30 |
0.7%
|
|
| 1968 | 41 |
1%
|
|
| 1969 | 42 |
1%
|
|
| 1970 | 52 |
1.3%
|
|
| 1971 | 36 |
0.9%
|
|
| 1972 | 63 |
1.5%
|
|
| 1973 | 75 |
1.8%
|
|
| 1974 | 74 |
1.8%
|
|
| 1975 | 113 |
2.8%
|
|
| 1976 | 136 |
3.3%
|
|
| 1977 | 112 |
2.7%
|
|
| 1978 | 110 |
2.7%
|
|
| 1979 | 136 |
3.3%
|
|
| 1980 | 155 |
3.8%
|
|
| 1981 | 122 |
3%
|
|
| 1982 | 239 |
5.9%
|
|
| 1983 | 202 |
5%
|
|
| 1984 | 177 |
4.3%
|
|
| 1985 | 205 |
5%
|
|
| 1986 | 160 |
3.9%
|
|
| 1987 | 172 |
4.2%
|
|
| 1988 | 159 |
3.9%
|
|
| 1989 | 99 |
2.4%
|
|
| 1990 | 127 |
3.1%
|
|
| 1991 | 103 |
2.5%
|
|
| 1992 | 74 |
1.8%
|
|
| 1993 | 38 |
0.9%
|
|
| 1994 | 47 |
1.2%
|
|
| 1995 | 26 |
0.6%
|
|
| 1996 | 13 |
0.3%
|
|
| 1997 | 7 |
0.2%
|
|
| 1998 | 3 |
0.1%
|
|
| 1999 | 2 |
0%
|
|
| 3333 | Missing | 3 |
0.1%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 815 |
20%
|
| Sysmiss | 9891 |
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.