National Income Dynamics Study 2017, Wave 5
South Africa, 2017
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Reference ID
zaf-saldru-nids-2017-v1.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 28, 2018
Last modified
Jun 11, 2023
Page views
1399393
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e13 - Mother's year of birth (w5_c_mthbrthy)
Data file: child_w5_anon_v1.0.0
Overview
Valid:
233
Invalid:
766
Type:
Discrete
Decimal:
0
loc_start_pos:
997
loc_end_pos:
1000
Width:
4
Range:
1961 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1961 | 2 |
0.9%
|
|
| 1963 | 2 |
0.9%
|
|
| 1965 | 2 |
0.9%
|
|
| 1967 | 1 |
0.4%
|
|
| 1968 | 4 |
1.7%
|
|
| 1970 | 3 |
1.3%
|
|
| 1972 | 5 |
2.1%
|
|
| 1973 | 4 |
1.7%
|
|
| 1975 | 2 |
0.9%
|
|
| 1976 | 8 |
3.4%
|
|
| 1977 | 6 |
2.6%
|
|
| 1978 | 4 |
1.7%
|
|
| 1979 | 5 |
2.1%
|
|
| 1980 | 5 |
2.1%
|
|
| 1981 | 5 |
2.1%
|
|
| 1982 | 8 |
3.4%
|
|
| 1983 | 10 |
4.3%
|
|
| 1984 | 9 |
3.9%
|
|
| 1985 | 12 |
5.2%
|
|
| 1986 | 7 |
3%
|
|
| 1987 | 10 |
4.3%
|
|
| 1988 | 7 |
3%
|
|
| 1989 | 4 |
1.7%
|
|
| 1990 | 10 |
4.3%
|
|
| 1991 | 9 |
3.9%
|
|
| 1992 | 3 |
1.3%
|
|
| 1993 | 1 |
0.4%
|
|
| 1994 | 5 |
2.1%
|
|
| 1995 | 3 |
1.3%
|
|
| 1996 | 1 |
0.4%
|
|
| 1997 | 1 |
0.4%
|
|
| 1998 | 2 |
0.9%
|
|
| 3333 | Missing | 1 |
0.4%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 72 |
30.9%
|
| Sysmiss | 766 |
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.