A Systems View Across Time and Space
Table 2 Reliability assessment of the measurement model
Item | Standardized factor loading | t value | Composite reliability (CR) and AVE |
|---|---|---|---|
Content of site (CO) | CR = 0.881 AVE = 0.515 | ||
 CO1: Is the clinical content reviewed by medically trained experts pertinent to the content? | 0.76 | 14.98** | |
 CO2: Is the content comprehensive (right amount, right scope) within the given area and for the intended audience? | 0.74 | 11.91** | |
 CO3: Does the site state its purpose or mission? | 0.72 | 9.81** | |
 CO4: Is the home page free of spelling errors? | 0.72 | 8.51** | |
 CO5: Is the information presented in a balanced and neutral format? | 0.77 | 12.50** | |
Authority of source (AU) | CR = 0.864 AVE = 0.615 | ||
 AU1: Did medically trained and qualified professionals develop the health information provided by the site? | 0.83 | 15.82** | |
 AU2: Is the author identified? | 0.85 | 17.10** | |
 AU3: Are the credentials of those responsible for preparing and/or reviewing the site’s content mentioned? | 0.78 | 8.55** | |
 AU4: Is the occupation, experience, training and/or education of the author(s) clearly stated? | 0.72 | 9.13** | |
Design (DE) | CR = 0.922 AVE = 0.570 | ||
 DE1: Is the site easy to navigate? | 0.75 | 9.98** | |
 DE2: Do the images/graphics facilitate the use of the site? | 0.79 | 14.01** | |
 DE3: Is the page layout organized and logical? | 0.82 | 16.74** | |
 DE4: Is the text (font and layout) easy to read? | 0.76 | 9.98** | |
Accessibility and availability of information (AC) | CR = 0.792 AVE = 0.562 | ||
 AC1: Does the site provide a choice of more than one language? | 0.64 | 7.34** | |
 AC2: Is the site free? | 0.84 | 12.32** | |
 AC3: Does the site provide accommodations to users with disabilities? | 0.77 | 11.58** | |
Quality of links to other sources (QS) | CR = 0.856 AVE = 0.666 | ||
 QS1: Does the site clearly indicate the date the content was posted? | 0.76 | 10.96** | |
 QS2: Does the site clearly state that links have been reviewed? | 0.85 | 22.61** | |
 QS3: Does the site present a policy statement or criteria for selecting links? | 0.83 | 14.64** | |
User support (US) | CR = 0.852 AVE = 0.657 | ||
 US1: Can site users contact the webmaster or technical support specialist via e-mail? | 0.80 | 11.16** | |
 US2: Is there a statement inviting comments, corrections of inaccurate information or suggestions for improvement? | 0.84 | 19.94** | |
 US3: Does the site state expected response times for feedback? | 0.80 | 12.43** | |
Perceived information quality (PQ) | CR = 0.891 AVE = 0.577 | ||
 PQ1: 3. The information content maintained by the website is pretty much what I need. | 0.75 | 11.05** | |
 PQ2: The information exchange maintains data at an appropriate level. | 0.77 | 12.91** | |
 PQ3: The information content is up to date enough. | 0.74 | 11.51** | |
 PQ4: The information content provided by this exchange is completely error-free. | 0.82 | 16.74** | |
 PQ5: The information content has no missing data items. | 0.75 | 9.42** | |
Trust (TR) (Mohseni et al. 2018) | CR =0.800 AVE = 0.572 | ||
 TR1: I feel my privacy is protected on this website. | 0.72 | 6.74** | |
 TR2: I find this online website trustworthy. | 0.82 | 16.85** | |
 TR3: I trust this online website. | 0.74 | 9.79** | |
Perceived usefulness (PU) (Mohseni et al. 2018) | CR = 0.791 AVE = 0.559 | ||
 PER1: I find the instructions are easy to follow. | 0.76 | 13.24** | |
 PER2: I find this website is easy to navigate. | 0.79 | 14.88** | |
 PER3: I find this website is easy to learn how to use. | 0.68 | 7.45** | |
Intention to use (IT) (Mohseni et al. 2018) | CR = 0.802 AVE = 0.575 | ||
 IT1: I plan to use this website again in the future. | 0.75 | 9.94** | |
 IT2: I will recommend that other people use this website. | 0.72 | 7.25** | |
 IT3: My intentions are to continue using this website more than any alternative ones. | 0.80 | 15.65** | |