Researchers in China studied 506 parents to understand why HPV vaccination intentions don't translate into action. HPV (human papillomavirus) vaccination protects against several types of cancer, including cervical cancer. The study used the "Theory of Planned Behavior" to identify what makes parents willing to vaccinate and what stops them from following through.
The researchers found a stark gap: nearly two-thirds of parents said they would vaccinate their daughters, but only 18% actually had. This mismatch between what parents say they'll do and what they actually do is the core problem.
Parents' feelings about the vaccine matter most
The strongest predictor of whether parents actually vaccinate is their attitude toward HPV vaccination itself—accounting for 49% of the decision to act. When parents feel positive about the vaccine's safety and effectiveness, they're significantly more likely to follow through. This suggests that reassuring messaging from trusted sources about why HPV vaccination works is essential.
What family and community think carries real weight
Social influence—what friends, family, and doctors believe—shapes vaccination decisions almost as much as parents' own views (25% of the decision). In Asian contexts, this is particularly important: if your WhatsApp group questions vaccine safety, or if your doctor doesn't actively recommend it, parents are less likely to proceed. Conversely, strong endorsement from trusted community members can tip the balance toward action.
Practical barriers create the real stumbling block
Even when parents feel positive and have social support, obstacles get in the way: cost concerns, scheduling difficulties, finding a clinic, or confusing information. The research shows these barriers significantly reduce the likelihood of follow-through, even among motivated parents. In Singapore's context, where healthcare access is relatively easy compared to rural China, we might still face barriers around cost, clinic availability, or lack of active recommendation from doctors.
Three ways to close the intention-action gap
- Strengthen messaging about vaccine safety and cancer-prevention benefits from doctors and health authorities—your attitude toward the vaccine is the primary driver of action.
- Ensure family and community leaders (including doctors and trusted figures) actively recommend HPV vaccination, as social influence shapes nearly one-quarter of the decision to vaccinate.
- Reduce practical friction by offering clear information on where to get vaccinated, costs, appointment availability, and addressing specific cost concerns for middle-income families.