Trends in International Mathematics and Science Study 2003

World, 2002 - 2003

Reference ID

WLD_2003_TIMSS_v01_M

Producer(s)

TIMSS International Study Center

Metadata

DDI/XML JSON

Created on

Apr 25, 2019

Last modified

Apr 25, 2019

Page views

2653

CSV JSON

eye surgery to remove cataract (q6702)

Data file: WHS-Brazil_F5

Overview

Valid: 168

Invalid: 4832

Type: Discrete

Decimal: 2

Range: -

Format:

Questions and instructions

Literal question

In the last 5 years, have you had eye surgery to remove your cataract (s)?

Categories

Value	Category
1	Yes
5	No
Sysmiss

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

This question is only asked to respondents who had a diagnosis of cataracts in one or both eyes. It is important that the time period for the medical intervention (the last 5 years) be clearly understood by the respondent, otherwise the results may not be comparable and it will be difficult to properly assess how well the health system is responding to people’s needs.

Description

Universe

Questions to be asked only to respondents aged 60 or over.