Table 3.
Specific Trust Scales Used in Studies
| Name of Measure | Entity of Trust Measured | No. of Items | Cronbach’s α of measure | Sample Item | Associated Studies and Study-specific Cronbach’s α |
|---|---|---|---|---|---|
| Primary Care Assessment Survey subscale trust (Safran et al. 1998) | Primary Physician | 8 | 0.86 | My doctor cares more about holding down costs than about doing what is needed for my health | (BeLue et al. 2011) (α=0.83), (O’Malley et al. 2004)a(α=NS), |
| Trust in Most Doctors (Born et al. 2009)b | Most Physicians | 8 | 0.85 | Most doctors can be trusted to offer high quality medical care | (Born et al. 2009) (α=0.85) |
| Wake Forest Trust in a Physician Subscale (Dugan et al. 2005) | Primary Physician | 5 | 0.87 | You completely trust your doctor’s decisions about medical treatments best for you | (Brittain et al. 2016), (α=NS), (Gupta et al. 2014) (α=0.85), |
| Wake Forest Trust in the Medical Profession Subscale (Dugan et al. 2005) | Doctors in General | 5 | 0.77 | Sometimes doctors care more about what is convenient for them than about their patients’ medical needs | (Gupta et al. 2014) (α=NS), |
| Trust in Health Care Providers Scale (Greiner et al. 2005b)c | Health Care Providers | 8 | 0.85 | No sample item provided | (Greiner et al. 2005b) (α=NS) |
| Trust in Navigator Scale (Jandorf et al. 2013)d | Patient Navigators | 6 | Not Provided | I doubt that the Navigator really cares about me as a person | (Jandorf et al. 2013) (α=NS) |
| Group-Based Medical Mistrust Scale (Thompson et al. 2004) | Medical/Health System | 12 | 0.83 | Doctors and health care workers treat people of my ethnic group like “guinea pigs” | (Nicholson et al. 2008) (α=0.82), (Purnell et al. 2010) (α=0.88), (Sanders Thompson et al. 2010)e(α=0.73), |
| Mistrust/Discrimination Scale (Sanders Thompson et al. 2013b) | Health Care Providers/System | 9 | 0.81 | Health care workers do not take the medical complaints of African Americans seriously | (Sanders Thompson et al. 2013b) (α=0.81) |
a
O’Malley et al. (2004) used a subset of two items from the Primary Care Assessment Survey
b
Born et al. (2009) wrote one item on the Trust in Most Doctors Scale and adapted the other seven from other scales
c
Greiner et al. (2005b) developed the Trust in Health Care Providers Scale by adapting items from other scales
d
The Trust in Navigator Scale appears to be adapted from Anderson & Dedrick’s (1990) Trust in Physician Scale
e
Sanders Thompson et al. (2010) used a subset of three items from the Group-Based Medical Mistrust Scale
NS=Not specified