Trends in International Mathematics and Science Study 1999

World, 1999

Reference ID

WLD_1999_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

1460

CSV JSON

Age in years (q1002)

Data file: WHS-Ukraine_F5

Overview

Valid: 2847

Invalid: 5

Minimum: 18

Maximum: 95

Mean: 47.323

Standard deviation: 17.763

Type: Continuous

Decimal: 2

Range: -

Format:

Questions and instructions

Literal question

How old are you? (Years)

Question pretext

Respondent’s Socio Demographic Characteristics
I would like to start by asking you some background questions before asking you questions on your health. This information is confidential and will only be used for research purposes.

Interviewer instructions

Record respondent’s age in years and Go to Q1004.
If respondent doesn’t know or doesn’t want to tell his/her age, Go to the question Q1003.