Study on Global Ageing and Adult Health 2014
Wave 2

Mexico, 2014

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Reference ID

MEX_2014_SAGE-W2_v01_M

Producer(s)

Mr. A. Salinas Rodriguez, Dr. B. Soledad Manrique Espinoza

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

May 19, 2023

Last modified

May 19, 2023

Page views

27877

q2514: distance vision-left eye (q2514)

Data file: MexicoINDDataW2

Overview

Valid: 3343

Invalid: 1322

Type: Discrete

Decimal: 0

Width: 9

Range: 1 - 3

Format: Numeric

Questions and instructions

Question pretext

We will start with your distance vision - and with your left eye. Would you please cover your right eye with the palm of your right hand. Please read

Literal question

Distance Vision - Left Eye

Categories

Value	Category	Cases
1	normal	2358	70.5%
2	low	751	22.5%
3	impaired	234	7%
Sysmiss		1322

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.

Interviewer instructions

Distance vision
INTERVIEWER: Start with the distance vision chart - using the 4 metres measured out for the timed walk. If the respondent makes more than 2 errors in one row, and reads all letters in the row, their result is read as the previous row. Select and record the result from the column labeled "DECIMAL" on the left side of the chart.

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