Trends in International Mathematics and Science Study 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

1294

Age (days) (q5005c)

Valid: 20

Invalid: 1060

Minimum: 1

Maximum: 54

Mean: 15.05

Standard deviation: 14.919

Type: Continuous

Decimal: 2

Range: -

Format:

Literal question

What is the child's current age in days?

Interviewer instructions

Use days for infants below two months of age

Universe

This question is to be asked to women respondens of reproductive (18-49) yrs age.