National Income Dynamics Study 2012, Wave 3

South Africa, 2012

Reference ID

zaf-saldru-nids-2012-v3.0.0

Producer(s)

Southern Africa Labour and Development Research Unit,

Collections

National Income Dynamics Study African Centre of Excellence for Inequality Research Southern Africa Labour and Development Research Unit

Metadata

DDI/XML JSON

Created on

Nov 24, 2013

Last modified

Jul 18, 2023

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j18 - Respondent's eyesight strength (w3_a_hlvisdes)

Data file: Adult_W3_Anon_V3.0.0

Overview

Valid: 18689

Invalid: 3768

Type: Discrete

Decimal: 0

loc_start_pos: 2478

loc_end_pos: 2479

Width: 2

Range: -9 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
-9	Don't know	2448	13.1%
-8	Refused	6	0%
-5	Not applicable	0	0%
-3	Missing	3	0%
1	Excellent	4700	25.1%
2	Very good	5390	28.8%
3	Good	4645	24.9%
4	Fair	1063	5.7%
5	Poor	397	2.1%
6	Blind	37	0.2%
Sysmiss		3768

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.

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