Table 3.
Unstandardized and standardized direct, indirect and total effects on intention to adhere to official MMR vaccination recommendations and threat and coping appraisal components.
| B | Beta | p | |
|---|---|---|---|
| Direct effect on intention | |||
| Measles severity (H1) | .012 | .010 | .810 |
| Measles susceptibility (H1) | .041 | .039 | .318 |
| Self-efficacy (H2) | −.063 | −.058 | .119 |
| Response efficacy (H2) | .399 | .273 | <.001 |
| MMR vaccine side effects severity (H3) | −.027 | −.029 | .477 |
| MMR vaccine side effects susceptibility (H3) | −.030 | −.032 | .446 |
| Complete MMR coverage | .544 | – | .004 |
| MI: Social attitudes | .381 | .313 | <.001 |
| Direct effect on measles severity | |||
| Social attitudes | .329 | .342 | <.001 |
| Social norms | .090 | .101 | .015 |
| Child previously infected with measles | .037 | – | .864 |
| Parent or other family member previously infected with measles | −.068 | – | .526 |
| Knows somebody who experienced MMR side effects | .267 | – | .267 |
| MMR information from public health institutions | .403 | – | .164 |
| MMR information from doctor | .279 | – | .023 |
| MMR information from Internet | −.089 | – | .560 |
| Direct effect on measles susceptibility | |||
| Social attitudes | .252 | .213 | <.001 |
| Social norms | .056 | .051 | .245 |
| Child previously infected with measles | .462 | – | .102 |
| Parent or other family member previously infected with measles | .157 | – | .260 |
| Knows somebody who experienced MMR side effects | .082 | – | .792 |
| MMR information from public health institutions | .390 | – | .299 |
| MMR information from doctor | .162 | – | .310 |
| MMR information from Internet | .036 | – | .855 |
| Direct effect on self-efficacy | |||
| Social attitudes | .135 | .120 | .011 |
| Social norms | .044 | .042 | .337 |
| Child previously infected with measles | −.124 | – | .642 |
| Parent or other family member previously infected with measles | .179 | – | .174 |
| Knows somebody who experienced MMR side effects | −.138 | – | .639 |
| MMR information from public health institutions | .118 | – | .741 |
| MMR information from doctor | .269 | – | .075 |
| MMR information from Internet | .212 | – | .258 |
| MI: Measles severity | .093 | .080 | .082 |
| MI: Measles susceptibility | .098 | .103 | .018 |
| Direct effect on response (vaccination) efficacy | |||
| Social attitudes | .240 | .288 | <.001 |
| Social norms | .120 | .156 | <.001 |
| Child previously infected with measles | −.403 | – | .020 |
| Parent or other family member previously infected with measles | −.010 | – | .903 |
| Knows somebody who experienced MMR side effects | −.524 | – | .006 |
| MMR information from public health institutions | .542 | – | .019 |
| MMR information from doctor | .175 | – | .073 |
| MMR information from Internet | .184 | – | .130 |
| MI: Measles severity | .105 | .121 | .002 |
| MI: Measles susceptibility | .101 | .143 | <.001 |
| Direct effect on MMR vaccine side effects severity | |||
| Social attitudes | −.137 | −.104 | .028 |
| Social norms | −.082 | −.067 | .133 |
| Child previously infected with measles | −.268 | – | .398 |
| Parent or other family member previously infected with measles | .056 | – | .722 |
| Knows somebody who experienced MMR side effects | 1.137 | – | .001 |
| MMR information from public health institutions | .011 | – | .980 |
| MMR information from doctor | .115 | – | .521 |
| MMR information from Internet | −.212 | – | .341 |
| MI: Measles severity | .134 | .098 | .017 |
| Direct effect on MMR vaccine side effects susceptibility | |||
| Social attitudes | −.137 | −.106 | .019 |
| Social norms | −.041 | −.034 | .437 |
| Child previously infected with measles | −.452 | – | .144 |
| Parent or other family member previously infected with measles | .032 | – | .833 |
| Knows somebody who experienced MMR side effects | 1.024 | – | .003 |
| MMR information from public health institutions | .677 | – | .099 |
| MMR information from doctor | .193 | – | .267 |
| MMR information from Internet | −.542 | – | .012 |
| MI: Measles susceptibility | .170 | .155 | <.001 |
| Indirect effect on intention | |||
| Social attitudes | .127 | .105 | .001 |
| Social norms | .056 | .050 | .001 |
| Child previously infected with measles | −.098 | −.015 | .344 |
| Parent or other family member previously infected with measles | −.010 | −.003 | .762 |
| Knows somebody who experienced MMR side effects | −.244 | −.032 | .015 |
| MMR information from public health institutions | .234 | .025 | .036 |
| MMR information from doctor | .068 | .018 | .163 |
| MMR information from Internet | .080 | .017 | .133 |
| Measles severity | −.003 | −.002 | .069 |
| Measles susceptibility | −.001 | −.001 | .054 |
| Total effect on intention | |||
| Social attitudes | .508 | .418 | .001 |
| Correlations among disturbance terms of | r | p | |
| Measles severity and measles susceptibility | .251 | <.001 | |
| Self-efficacy and response efficacy | .012 | <.001 | |
| MMR vaccine side effects severity and MMR vaccine side effects susceptibility | .449 | <.001 | |
| Self-efficacy and MMR vaccine side effects severity | .043 | <.001 | |
| Self-efficacy and MMR vaccine side effects susceptibility | .023 | <.001 | |
| Response efficacy and MMR vaccine side effects severity | −.144 | <.001 | |
| Response efficacy and MMR vaccine side effects susceptibility | −.168 | <.001 | |
| Explained variance of | R2 | ||
| Intention | .283 | ||
| Measles severity | .168 | ||
| Measles susceptibility | .066 | ||
| Self-efficacy | .080 | ||
| Response efficacy | .297 | ||
| MMR vaccine side effects severity | .043 | ||
| MMR vaccine side effects susceptibility | .068 |
Note: n = 554; coefficients based on 2000 Bootstrap replications with 95% confidence interval; MI denotes non-hypothesized effects based on modification indices > 4.