Table 5.
Direct, indirect, and total effects.a
| Path | R 2 | Q2 | Standardized path coefficient, β (95% CI) | t 1999(bootstrap) | ||
| Total effect |
|
|
|
|
||
|
|
Health-related Internet use | .2395 | .1531 |
|
|
|
|
|
|
Perceived health risk (c1) |
|
|
.135*(.036, 234) | 2.676 |
|
|
|
Health consciousness (c2) |
|
|
.447***(.351, .542) | 9.168 |
| Direct effect |
|
|
|
|
||
|
|
Perceived usefulness of the Internet | .1821 | .1460 |
|
|
|
|
|
|
Perceived health risk (a11) |
|
|
.309***(.216, .401) | 6.538 |
|
|
|
Health consciousness (a21) |
|
|
.269***(.165, .373) | 5.063 |
|
|
Attitude toward Internet use | .5284 | .4074 |
|
|
|
|
|
|
Perceived usefulness of the Internet (d) |
|
|
.334***(.224, .443) | 5.955 |
|
|
|
Perceived health risk (a12) |
|
|
.063 (–.034, .160) | 1.278 |
|
|
|
Health consciousness (a22) |
|
|
.270***(.167, .374) | 5.118 |
|
|
|
Perceived ease of Internet use (e) |
|
|
.322***(.215, .429) | 5.910 |
|
|
Health-related Internet use | .3827 | .2767 |
|
|
|
|
|
|
Attitude toward Internet use (b1) |
|
|
.284***(.175, .392) | 5.123 |
|
|
|
Perceived usefulness of the Internet (b2) |
|
|
.266**(.155, .377) | 4.681 |
|
|
|
Perceived health risk (c’1) |
|
|
.019 (–.079, .117) | .383 |
|
|
|
Health consciousness (c’2) |
|
|
.211***(.107, .316) | 3.958 |
| Indirect effect |
|
|
|
|
||
|
|
Health-related Internet use | .3827 | .2767 |
|
|
|
|
|
|
Attitude toward Internet use, perceived usefulness of the Internet, perceived health risk (a11.d.b1) |
|
|
.029**(.013, .045) | 3.609 |
|
|
|
Attitude toward Internet use, perceived usefulness of the Internet, health consciousness (a21.d.b1) |
|
|
.025*(.010, .041) | 3.234 |
aArrows show the influence direction in the hypotheses. For example, perceived health risk influences (→) health-related Internet use.
* P<.05, ** P<.01, *** P<.001.