PRACTICAL Week 13 – Effect Sizes


                    Smoking or not * had a cardiovascular event Crosstabulation

Count


                                    Had a cardiovascular event

                                               Total

                                                no

                                                yes

Smoking or not

Not smoking

                                                                                               8350

                                                                                                895

                                                                                               9245

Smoking

                                                                                               4311

                                                                                               1235

                                                                                               5546

Total

                                                                                              12661

                                                                                               2130

                                                                                              14791



1.      Calculate the risk of a cardiovascular event (CVD) in smokers, non-smokers, and the entire
population.

2.      Calculate and interpret the risk ratio (RR).

3.      Calculate and interpret the population attributable fraction (PAF).

4.      Save your calculations and responses to this file and submit it to Homework Vaults.