Table 2.
Item | Study 1 | Study 2 | Factor loading | item-total correlationa | ||||
Mean | SD | Mean | SD | Study 1 | Study 2 | Study 1 | Study 2 | |
1: I know what health resources are available on the Internet | 3.6 | 0.83 | 3.4 | 0.86 | .82 | .77 | .80 | .70 |
2: I know where to find helpful health resources on the Internet | 3.6 | 0.87 | 3.3 | 0.88 | .85 | .79 | .84 | .73 |
3: I know how to find helpful health resources on the Internet | 3.7 | 0.81 | 3.5 | 0.94 | .85 | .86 | .85 | .72 |
4: I know how to use the Internet to answer my health questions | 3.6 | 0.85 | 3.6 | 0.88 | .83 | .86 | .83 | .70 |
5: I know how to use the health information I find on the Internet to help me | 3.5 | 0.88 | 3.4 | .087 | .84 | .77 | .85 | .67 |
6: I have the skills I need to evaluate the health resources I find on the Internet | 3.6 | 0.89 | 3.6 | 0.90 | .82 | .77 | .84 | .67 |
7: I can tell high-quality from low-quality health resources on the Internet | 3.4 | 0.95 | 3.4 | 1.00 | .80 | .75 | .82 | .76 |
8: I feel confident in using information from the Internet to make health decisions | 3.3 | 0.99 | 3.1 | 1.12 | .74 | .80 | .78 | .82 |
Mean (SD) sum score | 28.2 | 5.9 | 27.6 | 5.9 | ||||
Eigenvalue first component | 5.36 | 5.06 | ||||||
Variance accounted for | 67% | 63% | ||||||
Cronbach alpha | .93 | .92 |
a All item-total correlations were significant at P < .001.