National Income Dynamics Study 2017, Wave 5

South Africa, 2017

Reference ID

zaf-saldru-nids-2017-v1.0.0

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

Aug 28, 2018

Last modified

Jun 11, 2023

Page views

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j18 - Respondent's eyesight strength (w5_a_hlvisdes)

Data file: adult_w5_anon_v1.0.0

Overview

Valid: 816

Invalid: 183

Type: Discrete

Decimal: 0

loc_start_pos: 2958

loc_end_pos: 2959

Width: 2

Range: -9 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
-9	Don't know	48	5.9%
-8	Refused	2	0.2%
-5	Not applicable	0	0%
-3	Missing	0	0%
1	Excellent	243	29.8%
2	Very good	278	34.1%
3	Good	170	20.8%
4	Fair	53	6.5%
5	Poor	21	2.6%
6	Blind	1	0.1%
Sysmiss		183

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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