Global Adult Tobacco Survey 2018

China, 2018

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Reference ID

CHN_2018_GATS_v01_M

Producer(s)

Chinese Center for Disease Control and Prevention

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Nov 09, 2023

Last modified

Nov 09, 2023

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5627

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B12. How many years ago did you first start smoking tobacco daily? (B12)

Data file: CHN_GATS_2018_Pub_Use_16JUL2020

Overview

Valid: 10

Invalid: 19366

Minimum: 20

Maximum: 99

Type: Discrete

Decimal: 0

Width: 8

Range: 20 - 9999

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
20		2	20%
99		8	80%
9999	DON'T KNOW/REFUSED	0	0%
Sysmiss		19366

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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