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Pearson’s Chi-Squared Test and the China Health and Nutrition Survey (2006): Gender and Smoking Habits in China

Dataset
By: The Odum Institute Published: 2015 | Product: SAGE Research Methods Datasets
Methods: Chi-square test
Data Type: Survey
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Abstract

This dataset example introduces readers to the Pearson’s chi-squared test for independence (χ2). This technique allows researchers to test whether or not two categorical variables are associated with each other. This example uses a subset of data from the 2006 China Health and Nutrition Survey (CHNS) 2006 survey of adults. It presents a test of the relationship between gender and smoking behavior in China. Medical experts warn that cigarettes currently kill one million people in China every year, with this expected to triple by 2030 (NY Times, 2014). Results from an analysis like this could have implications for public health policy.

In this example, readers are introduced to the basic theory and assumptions underlying this technique, the type of questions this technique can be used to ...

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About This Dataset
Data Source Citation

Carolina Population Center. (2006). China Health and Nutrition Survey [Data file]. Available from http://www.cpc.unc.edu/projects/china

Full title of originating dataset

China Health and Nutrition Survey

Data author(s) and affiliations

Carolina Population Center, University of North Carolina at Chapel Hill

National Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention

Dataset source website address

http://www.cpc.unc.edu/projects/china

Data Universe

Adults 18 and older

Funding sources/suppliers
  • National Institutes of Health (R01-HD30880, DK056350, and R01-HD38700)
  • National Institute of Nutrition and Food Safety (INFS)
  • Chinese Center for Disease Control and Prevention (CCDC)
  • Ford Foundation
  • National Science Foundation (INT-9215399)

“This research uses data from China Health and Nutrition Survey (CHNS). We thank the National Institute of Nutrition and Food Safety, China Center for Disease Control and Prevention, Carolina Population Center, the University of North Carolina at Chapel Hill, the NIH (R01-HD30880, DK056350, and R01-HD38700) and the Fogarty International Center, NIH for financial support for the CHNS data collection and analysis files from 1989 to 2006 and both parties plus the China-Japan Friendship Hospital, Ministry of Health for support for CHNS 2009 and future surveys.”

Sample/sampling procedures

Data collection took place over a 3-day period using a multistage, random cluster process to draw a sample of approximately 4,400 households with a total of 26,000 individuals in nine provinces that vary in geography, economic development, public resources, and health indicators.

Data collection dates

2006

Time frame of analysis

2006

Unit of analysis

Individual

Location covered by data

China

Provinces: Guangxi, Guizhou, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Liaoning, Shandong

Links to SRM content
List of variables

sex

Gender

smoked

Ever smoked cigarettes?

alcohol

Drank beer/alcohol last year?