Cancer prevention and the human papillomavirus vaccine:psychosocial and behavioural factors involved in vaccination decision-making
Bibliographic record
Abstract
The purpose of the present thesis was to examine psychosocial and behavioural factors associated with the decision-making process involved in uptake of the human papillomavirus (HPV) vaccine. In Canada, the HPV vaccine has been approved for women and men aged 9 to 26. Using the health belief model as a primary theoretical framework, the present dissertation examined knowledge, attitudes, and beliefs of young adults making a vaccination decision for themselves and of parents making a vaccination decision for their daughters.Study 1 consisted of a cross-sectional survey exploring correlates of HPV vaccination among female university students who did not intend to receive, intended to receive, or had received the vaccine. The study results showed that social influences were important and unique factors related to young women's vaccination uptake. Study 2 examined male university students' knowledge and future vaccination intentions. The study differentiated between objective HPV knowledge, objective HPV vaccine knowledge, and perceived knowledge. The study results indicated that perceived knowledge and objective HPV vaccine knowledge were associated with vaccination intentions. Further, perceived knowledge was associated with young men's vaccination intentions even when accounting for objective HPV and HPV vaccine knowledge. Study 3 used a randomized controlled design to compare two types of educational interventions (written and video) designed to increase knowledge and acceptability of the HPV vaccine in both male and female university students. The study results showed that both the written and video interventions were effective in improving knowledge and vaccination intentions. However, no differences were found between the two intervention modalities. Finally, Study 4 identified key differences between parents who accepted and parents who refused the HPV vaccine for their young daughters. The study results indicate that perception of vaccine safety was the strongest factor associated with parental vaccination acceptance. Collectively, these four studies showed that HPV vaccination decision-making is a complex process and that perception of vaccine safety as well as social influences may be critical components of HPV vaccination decisions. Future research should build on these results by developing and testing comprehensive theories of vaccination decision making that include behavioural, social, and cognitive factors.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.006 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".