This longitudinal study reports on the development and evaluation of a narrative intervention aimed at increasing human papillomavirus (HPV) vaccination among college women. The prevention of HPV is a public health priority due to its pervasiveness and relationship to cervical cancer, the second leading cause of cancer deaths among women worldwide. Pilot work utilizing culture-centric narrative theory guided development of the intervention content. Exemplification theory led to hypotheses comparing communication sources of the narrative messages (peer only, medical expert only, or a combination of the two source types) in a four-arm randomized controlled trial (N = 404; 18-26 year olds). The combined peer-expert narrative intervention nearly doubled vaccination compared to controls (22% vs. 12%). The pragmatic goal of increasing HPV vaccination and the theoretical predictions about message source were supported. As predicted, the inclusion of peer and medical expert sources plays a critical role in promoting HPV vaccination among college women. Furthermore, the intervention increased HPV vaccination by increasing vaccine self-efficacy and intent. Theoretical and practical implications for designing effective HPV vaccine messages are discussed.
Familial idiopathic basal ganglia calcification (IBGC) or Fahr’s
disease is a rare neurodegenerative disorder characterized by calcium deposits
in the basal ganglia and other brain regions, which is associated with
neuropsychiatric and motor symptoms. Familial IBGC is genetically heterogeneous
and typically transmitted in an autosomal dominant fashion. We performed a
mutational analysis of SLC20A2, the first gene found to cause
IBGC, to assess its genetic contribution to familial IBGC. We recruited 218
subjects from 29 IBGC-affected families of varied ancestry and collected medical
history, neurological exam, and head CT scans to characterize each
patient’s disease status. We screened our patient cohort for mutations
in SLC20A2. Twelve novel (nonsense, deletions, missense, and
splice site) potentially pathogenic variants, one synonymous variant, and one
previously reported mutation were identified in 13 families. Variants predicted
to be deleterious cosegregated with disease in five families. Three families
showed nonsegregation with clinical disease of such variants, but retrospective
review of clinical and neuroimaging data strongly suggested previous
misclassification. Overall, mutations in SLC20A2 account for as
many as 41 % of our familial IBGC cases. Our screen in a large series
expands the catalog of SLC20A2 mutations identified to date and
demonstrates that mutations in SLC20A2 are a major cause of
familial IBGC. Non-perfect segregation patterns of predicted deleterious
variants highlight the challenges of phenotypic assessment in this condition
with highly variable clinical presentation.
Drawing on 38 in-depth qualitative interviews with college women and college health clinicians, we collected human papillomavirus (HPV) vaccine decision narratives to identify the implicit and explicit values underlying HPV vaccine decision making. Narratives of vaccine acceptance and resistance were identified. Vaccine acceptance narratives consisted of four themes: supportive family messages, explicit health care provider endorsement, peer descriptive norms reducing stigma of vaccination, and disease framing (e.g., cancer, HPV) shaping vaccine benefit perceptions. Vaccine resistance narratives consisted of five themes: skepticism of vaccine safety, invoking alternative prevention strategies, articulating stigmatizing HPV messages, overcoming self-efficacy barriers (e.g., cost, availability, time, and fear of parental disclosure), and delay strategies. Common to all decision narratives was that relationship status framed college women's perceptions of HPV susceptibility. Theoretical and practical implications for designing HPV vaccine messages aimed at college-aged women are discussed.
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