Table 2.
Factor loadings for all survey items. Bolded font indicates 31 items with factor loadings >0.5. Asterisked (*) items indicate items retained for 20-item measure.
| Survey Item | Factor 1 “Reactance” |
Factor 2 “Source derogation” |
Factor 3 “Disbelief” |
Factor 4 “self- Exemption” |
Factor 5 “Information Conflict” |
Factor 6 “Conspiracy beliefs” |
|---|---|---|---|---|---|---|
| Eigenvalues | 5.43 | 5.33 | 3.74 | 3.05 | 2.57 | 1.61 |
| *In my opinion, the information about overdiagnosis was believable | −0.05 | 0.09 | 0.77 | −0.07 | 0.03 | 0.02 |
| *In my opinion, the information about overdiagnosis was convincing | −0.04 | 0.17 | 0.65 | −0.12 | 0.09 | −0.04 |
| *In my opinion, the information about overdiagnosis was accurate | −0.04 | −0.03 | 0.89 | 0.03 | −0.04 | 0.06 |
| In my opinion, the information about overdiagnosis was credible | −0.05 | −0.04 | 0.86 | 0.02 | 0.02 | −0.01 |
| In my opinion, the information about overdiagnosis was reliable | 0.07 | 0.02 | 0.91 | −0.03 | 0.01 | 0.00 |
| In my opinion, the information about overdiagnosis was doubtful | 0.29 | −0.07 | −0.10 | 0.21 | 0.03 | 0.08 |
| *Overall, how much do you disagree or agree with the information you read about overdiagnosis? | −0.01 | 0.32 | 0.51 | 0.09 | −0.08 | −0.13 |
| *In my opinion, the information presented about overdiagnosis seemed exaggerated | 0.88 | −0.01 | −0.04 | −0.08 | 0.02 | 0.03 |
| In my opinion, the information presented about overdiagnosis seemed dishonest | 0.76 | −0.04 | 0.00 | 0.06 | 0.01 | −0.07 |
| In my opinion, the information presented about overdiagnosis seemed fake | 0.80 | 0.04 | −0.10 | 0.10 | −0.02 | −0.09 |
| *In my opinion, the information presented about overdiagnosis seemed biased | 0.79 | −0.01 | −0.03 | −0.03 | −0.01 | 0.06 |
| *In my opinion, the information presented about overdiagnosis seemed deceptive | 0.89 | −0.05 | 0.07 | −0.03 | 0.08 | −0.04 |
| In my opinion, the information presented about overdiagnosis seemed like it was trying to manipulate me | 0.94 | 0.03 | −0.01 | −0.15 | 0.01 | 0.05 |
| *In my opinion, the information presented about overdiagnosis seemed like it was trying to pressure me to make a particular decision | 0.87 | −0.05 | 0.03 | −0.07 | −0.01 | 0.00 |
| In my opinion, the information presented about overdiagnosis seemed balanced | 0.09 | 0.65 | 0.06 | 0.13 | −0.11 | −0.06 |
| *Overdiagnosis might happen to some women but would never happen to me | −0.06 | −0.05 | −0.02 | 0.80 | −0.05 | 0.01 |
| *The information about overdiagnosis may be true for some women but is not true for me | −0.09 | −0.05 | 0.00 | 0.81 | 0.06 | 0.01 |
| The information about overdiagnosis applies to me personally | 0.33 | 0.36 | 0.18 | 0.19 | −0.14 | −0.10 |
| *The numbers presented about overdiagnosis may be true for the average woman but do not apply to me | −0.13 | −0.06 | −0.04 | 0.91 | 0.03 | 0.00 |
| A mammogram would never cause me harm | 0.17 | 0.08 | 0.04 | 0.20 | −0.01 | 0.13 |
| *A mammogram would never benefit me | 0.04 | 0.08 | 0.02 | 0.77 | −0.01 | −0.18 |
| *In my opinion, the researchers who created this information about overdiagnosis seem trustworthy | −0.05 | 0.87 | 0.01 | −0.04 | 0.02 | 0.07 |
| *In my opinion, the researchers who created this information about overdiagnosis seem to have my best interests in mind | 0.08 | 0.92 | −0.04 | −0.02 | −0.05 | 0.00 |
| In my opinion, the researchers who created this information about overdiagnosis are trying to help people like me | 0.01 | 0.94 | −0.06 | −0.10 | 0.10 | 0.04 |
| *In my opinion, the researchers who created this information about overdiagnosis are experts | −0.04 | 0.78 | 0.03 | 0.00 | 0.00 | 0.05 |
| *In my opinion, the researchers who created this information about overdiagnosis are competent | −0.05 | 0.88 | −0.03 | −0.05 | 0.05 | 0.15 |
| In my opinion, the researchers who created this information about overdiagnosis understand science | −0.17 | 0.77 | −0.08 | 0.09 | 0.12 | 0.04 |
| In my opinion, the researchers who created this information about overdiagnosis are probably on the payroll of insurance companies | 0.02 | 0.17 | −0.01 | −0.06 | −0.04 | 0.98 |
| In my opinion, the researchers who created this information about overdiagnosis are probably helping the government to ration healthcare | −0.02 | 0.06 | 0.10 | 0.19 | −0.06 | 0.63 |
| The information presented about overdiagnosis conflicts with other things I know to be true | 0.12 | −0.10 | 0.03 | 0.04 | 0.65 | 0.11 |
| *The information presented about overdiagnosis is different from what my doctor has told me about cancer screening. | 0.08 | 0.01 | 0.04 | 0.05 | 0.68 | 0.03 |
| The information presented about overdiagnosis can’t be true, given other things I know about cancer and cancer screening. | 0.19 | −0.20 | 0.02 | 0.25 | 0.19 | 0.20 |
| *The information presented about overdiagnosis conflicts with other health messages I have heard. | 0.09 | −0.13 | 0.07 | 0.05 | 0.63 | 0.04 |
| *The information presented about overdiagnosis is very different from what I believed before. | −0.06 | 0.16 | −0.08 | −0.04 | 0.80 | −0.08 |
| *The information presented about overdiagnosis is surprising | −0.03 | 0.19 | 0.01 | −0.02 | 0.71 | −0.18 |