Theyve stood the test of time
To test hypotheses for each aim, we conducted multivariable logistic regression models with infant death (delivery through 1 year) as the dependent variable and main effects for tobacco use (ever/never, intensity) of smoked tobacco only during the pregnancy, smokeless tobacco product use only during pregnancy, and poly-tobacco use during pregnancy
af Geijerstam P, Janryd F, Nystrm FH
For instance, in healthcare industry we conduct surveys with the pharmacists, doctors, surgeons and nurses in order to gain insights and key information of a medical product/device/equipment which the customers are going to usage
Journal of Primary Health Care, 2011