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

Secure Remote Access Data Enclave

Metadata

DDI/XML JSON

Created on

Aug 28, 2018

Last modified

Aug 29, 2018

Page views

373963

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j18 - Respondent's eyesight strength (w5_a_hlvisdes)

Data file: adult_w5_secure_v1.0.0

Overview

Valid: 23891

Invalid: 6219

Type: Discrete

Decimal: 0

loc_start_pos: 6314

loc_end_pos: 6315

Width: 2

Range: -9 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
-9	Don't know	1523	6.4%
-8	Refused	8	0%
-5	Not applicable	0	0%
-3	Missing	15	0.1%
1	Excellent	7413	31%
2	Very good	7238	30.3%
3	Good	5291	22.1%
4	Fair	1817	7.6%
5	Poor	526	2.2%
6	Blind	60	0.3%
Sysmiss		6219

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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