Table 3.
Change in parents and adolescents’ composite scores for human papillomavirus (HPV) knowledge, HPV vaccine knowledge, and self-efficacy.
| Mean score (possible range) | Preapp, mean (SD) | Postapp, mean (SD) | Follow-up, mean (SD) | Pre vs post, mean (95% CI) | P valuea | Pre vs follow-up, mean (95% CI) | P valuea | |
| Parents | ||||||||
|
|
HPV knowledge (0-14) | 6.03 (4.01) | 10.31 (3.07) | 10.21 (3.05) | 4.28b (2.96-5.59) | <.001 | 4.17c (2.67-5.67) | <.001 |
|
|
HPV vaccine knowledge (0-12) | 7.03 (3.80) | 9.90 (2.24) | 9.68 (2.79) | 2.86b (1.59-4.13) | <.001 | 2.66b (1.46-3.85) | <.001 |
|
|
Self-efficacy (4-28) | 21.6 (4.67) | 23.9 (4.08) | 23.5 (4.69) | 2.3b (0.7-3.9) | .007 | 1.9 (0.03-3.83) | .054 |
| Adolescents | ||||||||
|
|
HPV knowledge (0-14) | 4.06 (3.52) | 9.31 (2.74) | 9.24 (2.60) | 5.24b (3.91-6.57) | <.001 | 5.17c (4.01-6.33) | <.001 |
|
|
HPV vaccine knowledge (0-12) | 5.86 (3.42) | 8.82 (2.79) | 8.89 (3.12) | 2.96b (1.48-4.02) | <.001 | 3.0 b (1.61-4.46) | <.001 |
|
|
Self-efficacy (0-50) | 30.3 (12.9) | 35.6 (11.9) | 35.9 (10.6) | 5.3b (1.4-9.1) | .009 | 5.6b (1.7-9.6) | .007 |
aAll paired t tests (2-tailed) were 2 sided. The differences in mean scores pre- and post-HPV app and follow-up are shown with their 95% CI and P values.
bP<.01.
cP<.05.