Table 2 Means and SD of attitudinal and psychosocial factors between adolescents and parents
Factors | Adolescents (n = 592) M ± SD | Parents (n = 1197) M ± SD | t-value | ρ -value | Effect size (Hedges’ g) |
|---|---|---|---|---|---|
Attitude | 4.37 ± 0.610 | 4.41 ± 0.576 | − 1.34 | 0.179 | − 0.07 |
Social norm | 4.15 ± 0.582 | 3.49 ± 0.552 | 23.10 | 0.000 | 1.17 |
Perceived control | |||||
Perceived capacity | 3.66 ± 1.045 | 3.91 ± 0.836 | − 5.09 | 0.000 | − 0.27 |
Perceived autonomy | 3.65 ± 1.087 | 4.03 ± 0.937 | − 7.22 | 0.000 | − 0.38 |
Decisional uncertainty | 4.28 ± 0.709 | 4.22 ± 0.586 | 1.84 | 0.066 | 0.09 |
Anticipated negative affect | 3.26 ± 0.986 | 3.70 ± 0.799 | − 9.32 | 0.000 | − 0.51 |
Knowledge | 3.54 ± 1.009 | 4.08 ± 0.893 | − 11.24 | 0.000 | − 0.58 |
General vaccination beliefs | 4.08 ± 0.561 | 3.98 ± 0.593 | 3.19 | 0.001 | 0.17 |
Risk perception | |||||
Severity disease | 3.91 ± 0.852 | 4.25 ± 0.732 | − 8.42 | 0.000 | − 0.44 |
Susceptibility disease | 2.34 ± 1.057 | 2.68 ± 0.958 | − 6.59 | 0.000 | − 0.34 |
Susceptibility side effects | 2.08 ± 0.968 | 2.33 ± 0.854 | − 5.39 | 0.000 | − 0.28 |
Outcome expectations | 3.98 ± 0.717 | 3.76 ± 0.645 | 6.13 | 0.000 | 0.33 |
Moral norm | |||||
For oneself | 3.17 ± 1.195 | 3.75 ± 0.912 | − 10.38 | 0.000 | − 0.57 |
For others | 3.26 ± 1.071 | 3.33 ± 1.003 | − 1.47 | 0.142 | − 0.07 |
Omission bias | 1.31 ± 0.668 | 1.37 ± 0.613 | − 1.74 | 0.083 | − 0.09 |