Variable hhinccat: Derived household income (monthly)

Literal Question

Think of the past year (1 October 1995 to 30 September 1996) and the money each person received. Please indicate each person's income category before tax.

Descriptive Text

Warning: You should use this variable with caution and be aware of its limitations. Household income has been derived from personal incomes collected in ranges and additional money generated and remittance received. For each range, an assumption had to be made as to the appropriate point to use for the calculations. This has made the results tentative. Household income does not provide a measure of total income and its accuracy in representing relative income is unknown. The relatively large proportion of households where one or more members did not specify their incomes needs to be noted. Cross tabulations indicate that they are evenly distributed by education and occupation. Care therefore needs to be taken when interpreting household incomes. Direct comparisons with other data sets cannot be made. The main reason for publishing the data is to show patterns and trends, rather then precise estimates.

Values	Categories	N	NW
1	None	118277	1,266,793.8	14.0%
2	R000001 - R002400	66378	713,398.8	7.9%
3	R002401 - R006000	130777	1,402,335.9	15.5%
4	R006001 - R012000	116360	1,239,924.5	13.7%
5	R012001 - R018000	84479	899,148.0	9.9%
6	R018001 - R030000	81211	863,361.1	9.5%
7	R030001 - R042000	46211	492,763.4	5.4%
8	R042001 - R054000	33568	359,214.5	4.0%
9	R054001 - R072000	35599	381,854.1	4.2%
10	R072001 - R096000	24323	261,382.5	2.9%
11	R096001 - R132000	24765	266,523.5	2.9%
12	R132001 - R192000	15342	165,278.6	1.8%
13	R192001 - R360000	10707	115,178.1	1.3%
14	R360001+	3223	34,576.1	0.4%
99	Unspecified	55258	597,415.7	6.6%

Summary Statistics

Valid cases	846478	9059148.74
Missing cases	0	0.0
Minimum	1.0
Maximum	99.0
This variable is numeric

Universe

All households

Notes

‘Derived household income’ was calculated by adding together all recorded individual incomes of household members, plus the household’s additional income and remittances received. Because individual income was recorded in intervals rather than exact amounts, an approximate amount had to be estimated for the calculations as follows: - households claiming that they had no income were not adjusted; - for the first class among those with incomes, the amount was R1 600; for the second class, the amount was the midpoint of the class interval, for the last class, the amount was R720 000, for the other classes the amount was calculated as the logarithmic mean of the top and bottom of the given interval. If "individual income" was missing for a member of the hosehold aged under 15, the income for the child was set to 0. However, if a member of the household aged 15 years or olderhad income missing, the "Derived household income" or "Remittances received" were missing, then they were st to 0. Incomes for the entire household were again converted into categories.

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