ArticleVaccine2025
Parent-daughter agreement about HPV vaccination status in Kenya and Malawi.
Article in Vaccine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAs more countries introduce the HPV vaccine, it is important to understand the validity of vaccination measures. This is especially true in low- and middle-income countries (LMICs) where public health monitoring of vaccination data may have delays or gaps, so alternative measurement approaches are often necessary. Parental report is a common approach for measuring routine childhood vaccination, but it has not been evaluated for HPV vaccination in LMICs.
methodsWe conducted household surveys in Kenya (n = 146) and Malawi (n = 98) with parents/guardians and their daughters who were age-eligible for HPV vaccination. We compared parents'/guardians' reports of HPV vaccination status to daughters' reports; the latter was assumed to be the "gold standard" measure.
results88 % of Kenyan parents/guardians and 82 % of Malawian parents/guardians agreed with their daughters' reported HPV vaccination status. It was more common for parents/guardians to under-report (i.e., to say their daughter was unvaccinated but the girl said she had received dose(s)) than the inverse. Agreement with one's daughter was higher among parents/guardians who reported data from vaccination cards versus using recall, and among parents/guardians who expressed more versus less confidence in their knowledge. We did not find many differences in accuracy of report by parent/guardian characteristics, although in Kenya there were small and statistically significant negative associations with parental age, household income, and more girls in the household (the latter was also significantly negatively associated with report accuracy in Malawi).
conclusionsIn countries where surveys will commonly be used to measure HPV vaccination status, we found very high agreement of parents/guardians with their daughters' reported receipt of the vaccine. These results are similar to findings from the literature about routine childhood vaccination measurement. This suggests that researchers, clinicians, and practitioners can use parent/guardian-reported HPV vaccination of their daughter as a relatively good proxy of her own reported immunization status especially in settings without universal use of vaccination cards or registries.
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