National Income Dynamics Study 2008, Wave 1 Secure Data

South Africa, 2008

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Reference ID

zaf-saldru-nidssd-2008-v7.0.0

Producer(s)

Southern Africa Labour and Development Research Unit

Collections

Secure Remote Access Data Enclave

Metadata

DDI/XML JSON

Created on

Aug 24, 2018

Last modified

Oct 18, 2023

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2021

j21 - Respondent's eyesight strength (w1_a_hlvisdes)

Data file: Adult_W1_Secure_V7.0.0

Overview

Valid: 15631

Invalid: 1241

Type: Discrete

Decimal: 0

loc_start_pos: 4766

loc_end_pos: 4767

Width: 2

Range: -9 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
-9	Don't know	997	6.4%
-8	Refused	5	0%
-5	Not applicable	0	0%
-3	Missing	91	0.6%
1	Excellent	4235	27.1%
2	Very Good	3947	25.3%
3	Good	3428	21.9%
4	Fair	1763	11.3%
5	Poor	1118	7.2%
6	Blind	47	0.3%
Sysmiss		1241

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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