Table 1.

Language changes between scale and survey

Item	Modification
Hall et al. (2006) Trust in Medical Researchers
A doctor would never ask me to be in a medical research study if the doctor thought there was any chance it might harm me	My doctor would never ask me to be in a medical research study if the doctor thought there was any chance it might harm me
Mainous et al. (2006) Patient Trust in Medical Researchers
Medical researchers act differently toward minority subjects than toward white subjects	Medical researchers act differently toward minority participants than toward white participants.
Some medical research projects are secretly designed to expose minority groups to diseases such as AIDS.	Some medical research projects are secretly designed to expose minority groups to diseases such as AIDS
Usually, medical researchers tell participants everything about possible dangers. All in all, medical researchers would not conduct experiments on people without their knowledge	This item was modified as two items: Usually, medical researchers tell participants everything about possible dangers. Medical researchers would not conduct experiments on people without their knowledge.
Researchers are more interested in helping their careers than in learning about health and disease.*	Medical researchers are more interested in helping their careers than in learning about health and disease.
Shea et al. (2008). Health Care System Distrust Scale
Health Care System	Focus group participants encouraged the use of health care organization instead of health care system.
Patients get the same medical treatment from the Health Care System, no matter what the patient’s race	Patients get the same medical treatment from healthcare organizations, no matter what the patient’s race or ethnicity.