National Income Dynamics Study 2010-2011, Wave 2

South Africa, 2010 - 2011

Reference ID

zaf-saldru-nids-2010-2011-v4.0.0

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 (w2_a_hlvisdes)

Data file: Adult_W2_Anon_V4.0.0

Overview

Valid: 17626

Invalid: 4248

Type: Discrete

Decimal: 0

loc_start_pos: 3517

loc_end_pos: 3518

Width: 2

Range: -9 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
-9	Don't know	5386	30.6%
-8	Refused	188	1.1%
-5	Not applicable	0	0%
-3	Missing	23	0.1%
-2	Not asked in Phase 2	732	4.2%
1	Excellent	4417	25.1%
2	Very good	3007	17.1%
3	Good	2301	13.1%
4	Fair	713	4%
5	Poor	768	4.4%
6	Blind	91	0.5%
Sysmiss		4248

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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