Table 4.
Formative constructs assessment.
| Construct/measure | Indicator weight | t 1999 | Indicator outer loading | Interitem correlation, mean (range) | Variance inflation factor, maximum | |
| Internet usage for medical and health information seeking |
|
0.536 (0.312-0.774) | 30.665 | |||
|
|
I use the Internet to get general health information | 0.161 | 1.501 | 0.594 |
|
|
|
|
I use the Internet to get information on medicine/drugs | 0.450 | 3.945 | 0.836 |
|
|
|
|
I use the Internet to be equipped with information before/after doctor’s appointment | –0.348 | 1.877 | 0.595 |
|
|
|
|
I use the Internet to get descriptions of various diseases | 0.115 | 0.793 | 0.717 |
|
|
|
|
I use the Internet to get information on treatments/therapy/diagnosis | 0.121 | 0.883 | 0.708 |
|
|
|
|
I use the Internet to get information on how to care for oneself | –0.201 | 1.468 | 0.567 |
|
|
|
|
I use the Internet to decide about how to treat an illness | 0.444 | 3.011 | 0.803 |
|
|
|
|
I use the Internet to decide about whether or not to visit a doctor | 0.097 | 0.735 | 0.735 |
|
|
|
|
I use the Internet to understand how to deal with an illness | 0.111 | 0.610 | 0.643 |
|
|
|
|
I use the Internet to get information on hospitals/clinics/other health care facilities | 0.257 | 2.112 | 0.717 |
|
|
|
|
I use the Internet to get information on health management (exercise, abstinence from drinking, smoking, diet, nutrition, stress, mental health, etc) | –0.002 | 0.015 | 0.505 |
|
|
| Internet usage to communicate about health |
|
|
|
0.572 (0.441-0.685) | 20.779 | |
|
|
I use the Internet to get online medical consultation from medical professionals | 0.601 | 3.433 | 0.931 |
|
|
|
|
I use the Internet to interact with people with similar health conditions | 0.280 | 1.462 | 0.833 |
|
|
|
|
I use the Internet to use mail to communicate with a doctor or a doctor’s office | –0.021 | 0.129 | 0.655 |
|
|
|
|
I use the Internet to share and exchange experiences about health and diseases | 0.289 | 1.312 | 0.765 |
|
|
| Health-related Internet use |
|
|
|
0.595 | 10.549 | |
|
|
Internet usage for medical and health information seeking | 0.853 | 10.766 | 0.984 |
|
|
|
|
Internet usage to communicate for health | 0.221 | 2.021 | 0.728 |
|
|
| Perceived health risk |
|
|
|
0.005 | 10.000 | |
|
|
Perceived susceptibility to chronic diseases | 0.946 | 14.430 | 0.948 |
|
|
|
|
Perceived severity of chronic diseases | 0.319 | 1.967 | 0.324 |
|
|