Karl O'Sharkey, Yan Xu, Jane Cabison, Marisela Rosales, Thomas Chavez, Mark Johnson, Tingyu Yang, Seung-Hyun Cho, Ryan Chartier, Deborah Lerner, Nathana Lurvey, Claudia M Toledo Corral, Myles Cockburn, Meredith Franklin, Shohreh F Farzan, Theresa M Bastain, Carrie V Breton, Rima Habre
A Comparison of Measured Airborne and Self-Reported Secondhand Smoke Exposure in the MADRES Pregnancy Cohort Study
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco
categorical data analysis 2 2 contingency tables extremely common least provide risk difference risk ratio odds ratio log odds statistics medical research 2 test analysis often used although researchers use likelihood ratio test lrt analysis matter test used review literature examination theoretical foundations analyses simulations empirical data used paper argue lrt used interested testing whether binomial proportions equal socalled test independence far popular meaning 2 test widely misused contrast 2 test reserved data appear match closely particular hypothesis eg null hypothesis variance interest less expected low variance interest various scenarios particularly investigations data integrity finally argued evidential approach provides consistent coherent method avoids difficulties posed significance testing approach facilitates calculation appropriate log likelihood ratios suit research aims whether test proportions test variance conclusions paper apply larger contingency tables including multiway tables