Question
a. A study of the relationship between exercise and heart attacks that is conducted among women who do not smoke. Explain whether gender is a confounder.
b. A case-control study of the relationship between liver cirrhosis and alcohol use. In this study, smoking is associated with drinking alcohol and is a risk factor for liver cirrhosis among both non-alcoholics and alcoholics. Explain whether smoking is a confounder.
b. A case-control study of the relationship between liver cirrhosis and alcohol use. In this study, smoking is associated with drinking alcohol and is a risk factor for liver cirrhosis among both non-alcoholics and alcoholics. Explain whether smoking is a confounder.
Answers
a. How can gender be a confounder, if only one gender is used?
b. Would the cirrhosis found be caused by drinking, smoking or an interaction of the two? (An ANOVA could separate out the effects of these factors.)
Does answering those questions help you?
b. Would the cirrhosis found be caused by drinking, smoking or an interaction of the two? (An ANOVA could separate out the effects of these factors.)
Does answering those questions help you?
Related Questions
• Consider each of the following scenarios and explain whether the variable in question is a co...
a. A study of the relationship between exercise and heart attacks that is conducted among women who...
A study conducted an experiment with 22,000 women over 10 years to investigate whether a high-stress...