National Income Dynamics Study 2017, Wave 5 Secure Data
South Africa, 2017
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Reference ID
zaf-saldru-nidssd-2017-v1.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 28, 2018
Last modified
Aug 29, 2018
Page views
372260
Downloads
1904
d6 - Mother's year of birth (w5_a_mthbrthy)
Data file: adult_w5_secure_v1.0.0
Overview
Valid:
16154
Invalid:
13956
Type:
Discrete
Decimal:
0
loc_start_pos:
676
loc_end_pos:
679
Width:
4
Range:
1880 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1880 | 1 |
0%
|
|
| 1884 | 1 |
0%
|
|
| 1888 | 1 |
0%
|
|
| 1891 | 1 |
0%
|
|
| 1892 | 2 |
0%
|
|
| 1894 | 2 |
0%
|
|
| 1896 | 1 |
0%
|
|
| 1898 | 2 |
0%
|
|
| 1899 | 2 |
0%
|
|
| 1900 | 5 |
0%
|
|
| 1901 | 7 |
0%
|
|
| 1902 | 9 |
0.1%
|
|
| 1903 | 3 |
0%
|
|
| 1904 | 9 |
0.1%
|
|
| 1905 | 7 |
0%
|
|
| 1906 | 5 |
0%
|
|
| 1907 | 9 |
0.1%
|
|
| 1908 | 9 |
0.1%
|
|
| 1909 | 11 |
0.1%
|
|
| 1910 | 40 |
0.2%
|
|
| 1911 | 21 |
0.1%
|
|
| 1912 | 29 |
0.2%
|
|
| 1913 | 20 |
0.1%
|
|
| 1914 | 44 |
0.3%
|
|
| 1915 | 20 |
0.1%
|
|
| 1916 | 31 |
0.2%
|
|
| 1917 | 30 |
0.2%
|
|
| 1918 | 82 |
0.5%
|
|
| 1919 | 28 |
0.2%
|
|
| 1920 | 69 |
0.4%
|
|
| 1921 | 63 |
0.4%
|
|
| 1922 | 51 |
0.3%
|
|
| 1923 | 47 |
0.3%
|
|
| 1924 | 54 |
0.3%
|
|
| 1925 | 91 |
0.6%
|
|
| 1926 | 74 |
0.5%
|
|
| 1927 | 86 |
0.5%
|
|
| 1928 | 86 |
0.5%
|
|
| 1929 | 87 |
0.5%
|
|
| 1930 | 123 |
0.8%
|
|
| 1931 | 76 |
0.5%
|
|
| 1932 | 127 |
0.8%
|
|
| 1933 | 144 |
0.9%
|
|
| 1934 | 108 |
0.7%
|
|
| 1935 | 126 |
0.8%
|
|
| 1936 | 144 |
0.9%
|
|
| 1937 | 118 |
0.7%
|
|
| 1938 | 149 |
0.9%
|
|
| 1939 | 129 |
0.8%
|
|
| 1940 | 195 |
1.2%
|
|
| 1941 | 84 |
0.5%
|
|
| 1942 | 211 |
1.3%
|
|
| 1943 | 127 |
0.8%
|
|
| 1944 | 161 |
1%
|
|
| 1945 | 151 |
0.9%
|
|
| 1946 | 150 |
0.9%
|
|
| 1947 | 142 |
0.9%
|
|
| 1948 | 168 |
1%
|
|
| 1949 | 137 |
0.8%
|
|
| 1950 | 200 |
1.2%
|
|
| 1951 | 96 |
0.6%
|
|
| 1952 | 259 |
1.6%
|
|
| 1953 | 181 |
1.1%
|
|
| 1954 | 218 |
1.3%
|
|
| 1955 | 210 |
1.3%
|
|
| 1956 | 229 |
1.4%
|
|
| 1957 | 196 |
1.2%
|
|
| 1958 | 204 |
1.3%
|
|
| 1959 | 170 |
1.1%
|
|
| 1960 | 211 |
1.3%
|
|
| 1961 | 142 |
0.9%
|
|
| 1962 | 216 |
1.3%
|
|
| 1963 | 215 |
1.3%
|
|
| 1964 | 273 |
1.7%
|
|
| 1965 | 236 |
1.5%
|
|
| 1966 | 203 |
1.3%
|
|
| 1967 | 164 |
1%
|
|
| 1968 | 189 |
1.2%
|
|
| 1969 | 173 |
1.1%
|
|
| 1970 | 153 |
0.9%
|
|
| 1971 | 128 |
0.8%
|
|
| 1972 | 173 |
1.1%
|
|
| 1973 | 157 |
1%
|
|
| 1974 | 115 |
0.7%
|
|
| 1975 | 137 |
0.8%
|
|
| 1976 | 139 |
0.9%
|
|
| 1977 | 105 |
0.6%
|
|
| 1978 | 86 |
0.5%
|
|
| 1979 | 83 |
0.5%
|
|
| 1980 | 58 |
0.4%
|
|
| 1981 | 62 |
0.4%
|
|
| 1982 | 65 |
0.4%
|
|
| 1983 | 28 |
0.2%
|
|
| 1984 | 23 |
0.1%
|
|
| 1985 | 10 |
0.1%
|
|
| 1986 | 8 |
0%
|
|
| 1987 | 1 |
0%
|
|
| 3333 | Missing | 27 |
0.2%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 45 |
0.3%
|
| 9999 | Don't know | 6656 |
41.2%
|
| Sysmiss | 13956 |
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.