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Schoolteachers' experiences of implementing school-based vaccination programs against human papillomavirus in a Chinese community: a qualitative study.

ABSTRACT: BACKGROUND:Cervical cancer was the fourth most common cancer among women worldwide in 2012 and was the eighth most common cancer in 2014 and the eighth greatest cause of female cancer deaths in Hong Kong in 2015. Human papillomavirus (HPV) vaccination has been clinically documented to have a high efficacy in reducing HPV-related cervical intraepithelial neoplasia incidence. Therefore, receiving vaccination is a crucial public health measure to reduce disease burden. Significant others, such as schools and schoolteachers, have prominent influence in shaping adolescents' health perceptions and behavior. Therefore, the perspective of schools and schoolteachers regarding vaccination can significantly influence students' acceptance and accessibility of the vaccine. However, few studies have analyzed the perceptions of schoolteachers toward HPV vaccination, and even fewer have concerned how schoolteachers' perceptions influence their schools' motivation in implementing school-based HPV vaccination programs. This study was thus conducted to fill this literature gap. METHODS:With a Chinese community as the field site of this study, a qualitative approach of five focus group interviews was conducted with 35 schoolteachers from five primary and eight secondary schools in Hong Kong between July 2014 and January 2015. Thematic content analysis was used for data analysis. RESULTS:Perceptual, institutional, student and parental, and collaborator barriers interacted to discourage the sampled schoolteachers from organizing school-based HPV vaccination programs. Lack of knowledge regarding HPV vaccination, perception of HPV vaccination as inappropriate given the students' age, violation of traditional cultural values, lack of perceived needs and perceived risk, opposition from schools, low priority of HPV vaccination over other health education topics, lack of government support, lack of interest from parents and students, and lack of confidence in implementing organizations, all were the mentioned barriers. CONCLUSIONS:The sampled schoolteachers were demotivated to organize school-based HPV vaccination programs because of their perceptions and various social and cultural factors. As significant influencers of adolescent students, schoolteachers and schools should receive more support and information on organizing school-based HPV vaccination programs in the future.

SUBMITTER: Siu JY

PROVIDER: S-EPMC6852998 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Schoolteachers' experiences of implementing school-based vaccination programs against human papillomavirus in a Chinese community: a qualitative study.

Siu Judy Yuen-Man JY Lee Albert A Chan Paul K S PKS

BMC public health 20191112 1

<h4>Background</h4>Cervical cancer was the fourth most common cancer among women worldwide in 2012 and was the eighth most common cancer in 2014 and the eighth greatest cause of female cancer deaths in Hong Kong in 2015. Human papillomavirus (HPV) vaccination has been clinically documented to have a high efficacy in reducing HPV-related cervical intraepithelial neoplasia incidence. Therefore, receiving vaccination is a crucial public health measure to reduce disease burden. Significant others, s ...[more]

PMID: 31718611

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Project description:ImportanceHuman papillomavirus (HPV) vaccination coverage is suboptimal in the US. The association between HPV vaccination requirements for school entry and HPV vaccination coverage remains to be studied.ObjectiveTo examine the association between HPV vaccination school-entry requirements and vaccination initiation in jurisdictions with such vaccination policies (ie, Virginia, the District of Columbia, and Rhode Island) compared with other regions of the US, as determined by the National Center for Chronic Disease Prevention and Health Promotion.Design, setting, and participantsIn a population-based, cross-sectional study, 2017 data from the National Immunization Survey-Teen database were used to determine HPV vaccination initiation. Data from 2008 to 2017 were then examined to assess the association between HPV vaccination school-entry policies and vaccination initiation. Data were obtained for adolescents aged 13 to 17 years in the US with health care professional-reported HPV vaccination histories (cross-sectional study, n = 4784; pre-post policy comparisons, n = 42 431). This study was conducted from May 1, 2019, to March 31, 2020.ExposuresState-level HPV vaccination school-entry requirements from 2008 to 2017.Main outcomes and measuresHealth care professional-confirmed HPV vaccination initiation.ResultsThe 2017 cross-sectional study included 4784 adolescents aged 13 to 17 years (2228 [46.6%] girls; 2556 [53.4%] boys; mean [SD] age, 15.0 [1.4] years; interquartile range, 14-16 years). Compared with nonpolicy jurisdictions within the same region, Rhode Island and the District of Columbia, which have HPV immunization school-entry requirements, had higher levels of HPV vaccination initiation (Rhode Island: adjusted odds ratio [aOR], 4.34; 95% CI, 2.16-10.00; District of Columbia: aOR, 2.35; 95% CI, 1.39-4.19). However, compared with regional nonpolicy states, Virginia's HPV vaccination initiation did not differ significantly (aOR, 1.01; 95% CI, 0.72-1.42). The 2008-2017 pre-post policy comparisons involved 42 431 adolescents aged 13-17 years (22 362 [52.7%] girls; 20 069 [47.3%] boys; mean [SD] age, 15.0 [1.4] years; interquartile range, 14-16 years). Postpolicy levels of HPV vaccination initiation in girls was significantly higher in Rhode Island (aOR, 3.12; 95% CI, 1.92-5.07) than prepolicy values. Similar changes were noted for postpolicy HPV vaccination initiation in boys in the District of Columbia (aOR, 6.36; 95% CI, 4.27-9.46) and Rhode Island (aOR, 5.84; 95% CI, 3.92-8.69) compared with prepolicy measures. With respect to regional nonpolicy states during the same period, both girls and boys in Rhode Island and boys in the District of Columbia experienced larger increases in HPV vaccination initiation. For example, in Rhode Island, boys aged 16 to 17 years had 7.32 (95% CI, 3.56-15.06) times the change in pre-post policy HPV vaccination initiation, while girls aged 16 to 17 years had 1.28 (95% CI, 0.60-2.73) times the change. In the District of Columbia, boys had 6.36 (95% CI, 4.27-9.46) times the change in pre-post policy HPV vaccination initiation.Conclusions and relevanceThe findings of this study suggest that HPV vaccination school-entry requirements are associated with increases in vaccination initiation. Expanding such policies may increase HPV vaccination in the US.

Project description:BackgroundIn Australia in 2017, 89% of 15-year-old females and 86% of 15-year-old males had received at least one dose of the HPV vaccine. However, considerable variation in HPV vaccination initiation (dose one) across schools remains. It is important to understand the school-level characteristics most strongly associated with low initiation and their contribution to the overall between-school variation.MethodsA population-based ecological analysis was conducted using school-level data for 2016 on all adolescent students eligible for HPV vaccination in three Australian jurisdictions. We conducted logistic regression to determine school-level factors associated with lower HPV vaccination initiation (< 75% dose 1 uptake) and estimated the population attributable risk (PAR) and the proportion of schools with the factor (school-level prevalence).ResultsThe factors most strongly associated with lower initiation, and their prevalence were; small schools (OR = 9.3, 95%CI = 6.1-14.1; 33% of schools), special education schools (OR = 5.6,95%CI = 3.7-8.5; 8% of schools), higher Indigenous enrolments (OR = 2.7,95% CI:1.9-3.7; 31% of schools), lower attendance rates (OR = 2.6,95%CI = 1.7-3.7; 35% of schools), remote location (OR = 2.6,95%CI = 1.6-4.3; 6% of schools,) and lower socioeconomic area (OR = 1.8,95% CI = 1.3-2.5; 33% of schools). The highest PARs were small schools (PAR = 79%, 95%CI:76-82), higher Indigenous enrolments (PAR = 38%, 95%CI: 31-44) and lower attendance rate (PAR = 37%, 95%CI: 29-46).ConclusionThis analysis suggests that initiatives to support schools that are smaller, with a higher proportion of Indigenous adolescents and lower attendance rates may contribute most to reducing the variation of HPV vaccination uptake observed at a school-level in these jurisdictions. Estimating population-level coverage at the school-level is useful to guide policy and prioritise resourcing to support school-based vaccination programs.

Project description:BackgroundStudies have noted variations in the cost-effectiveness of school-located influenza vaccination (SLIV), but little is known about how SLIV's cost-effectiveness may vary by targeted age group (e.g., elementary or secondary school students), or vaccine consent process (paper-based or web-based). Further, SLIV's cost-effectiveness may be impacted by its spillover effect on practice-based vaccination; prior studies have not addressed this issue.MethodsWe performed a cost-effectiveness analysis on two SLIV programs in upstate New York in 2015-2016: (a) elementary school SLIV using a stepped wedge design with schools as clusters (24 suburban and 18 urban schools) and (b) secondary school SLIV using a cluster randomized trial (16 suburban and 4 urban schools). The cost-per-additionally-vaccinated child (i.e., incremental cost-effectiveness ratio (ICER)) was estimated by dividing the incremental SLIV intervention cost by the incremental effectiveness (i.e., the additional number of vaccinated students in intervention schools compared to control schools). We performed deterministic analyses, one-way sensitivity analyses, and probabilistic analyses.ResultsThe overall effectiveness measure (proportion of children vaccinated) was 5.7 and 5.5 percentage points higher, respectively, in intervention elementary (52.8%) and secondary schools (48.2%) than grade-matched control schools. SLIV programs vaccinated a small proportion of children in intervention elementary (5.2%) and secondary schools (2.5%). In elementary and secondary schools, the ICER excluding vaccine purchase was $85.71 and $86.51 per-additionally-vaccinated-child, respectively. When additionally accounting for observed spillover impact on practice-based vaccination, the ICER decreased to $80.53 in elementary schools -- decreasing substantially in secondary schools. (to $53.40). These estimates were higher than the published practice-based vaccination cost (median = $25.50, mean = $45.48). Also, these estimates were higher than our 2009-2011 urban SLIV program mean costs ($65) due to additional costs for use of a new web-based consent system ($12.97 per-additionally-vaccinated-child) and higher project coordination costs in 2015-2016. One-way sensitivity analyses showed that ICER estimates were most sensitive to the SLIV effectiveness.ConclusionsSLIV raises vaccination rates and may increase practice-based vaccination in primary care practices. While these SLIV programs are effective, to be as cost-effective as practice-based vaccination our SLIV programs would need to vaccinate more students and/or lower the costs for consent systems and project coordination.Trial registrationClinicalTrials.gov NCT02227186 (August 25, 2014), updated NCT03137667 (May 2, 2017).

Project description:BackgroundLarge-scale deworming programs have, to date, mostly targeted preschool- and school-age children. As community-based deworming programs become more common, deworming will be offered to women of reproductive age. The World Health Organization recommends preventive chemotherapy be administered to pregnant women only after the first trimester. It is therefore important for deworming programs to be able to identify women in early pregnancy. Our objective was to validate a short questionnaire which could be used by deworming program managers to identify and screen out women in early pregnancy.Methodology/principal findingsIn May and June 2018, interviewers administered a questionnaire, followed by a pregnancy test, to 1,203 adult women living in the Peruvian Amazon. Regression analyses were performed to identify questions with high predictive properties (using the pregnancy test as the gold standard). Test parameters were computed at different decision tree nodes (where nodes represented questions). With 106 women confirmed to be pregnant, the positive predictive value of asking the single question 'Are you pregnant?' was 100%, at a 'cost' of a false negative rate of 1.9% (i.e. 21 women were incorrectly identified as not pregnant when they were truly pregnant). Additional questions reduced the false negative rate, but increased the false positive rate. Rates were dependent on both the combination and the order of questions.Conclusions/significanceTo identify women in early pregnancy when deworming programs are community-based, both the number and order of questions are important. The local context and cultural acceptability of different questions should inform this decision. When numbers are manageable and resources are available, pregnancy tests can be considered at different decision tree nodes to confirm pregnancy status. Trade-offs in terms of efficiency and misclassification rates will need to be considered to optimize deworming coverage in women of reproductive age.

Dataset Information

Schoolteachers' experiences of implementing school-based vaccination programs against human papillomavirus in a Chinese community: a qualitative study.

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Schoolteachers' experiences of implementing school-based vaccination programs against human papillomavirus in a Chinese community: a qualitative study.

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