Community and Organizational Readiness to Adopt a Physical Activity Intervention in Micropolitan Settings.

BACKGROUND: Assessing community and organizational readiness is key to successfully implementing programs. The purpose of this study was to assess the baseline readiness of micropolitan communities to adopt an evidence-based physical activity (PA) intervention by exploring three dimensions: (1) attitudes and current efforts toward prevention, (2) community and organizational climate that facilitates (or impedes) change, and (3) capacity to implement change. METHOD: Data were collected from community leaders in 14 communities through an online survey in June 2021 (n = 149). Data were analyzed in aggregate using descriptive statistics for multiple-choice responses and content analysis for open ended responses. One-way repeated analyses of variance were used to compare mean score differences. RESULTS: In reference to their attitudes prior to the pandemic, respondents said that addressing PA was "somewhat a priority" in their professional positions (M = 2.01, SD = 0.94), their organizations (M = 2.08, SD = 0.91), and their communities (M = 2.28, SD = 0.88). Current PA efforts included statewide initiatives, community sponsored events/clubs, and youth sports leagues. The community climate included both PA facilitators (mainly outdoor PA resources) and barriers (cost, lack of social services, and an unsupportive PA environment). Individual-level capacity (M = 2.94; SD = 1.21) to adopt a PA program was regarded lower than the community's capacity (M = 3.95; SD = 0.82), and perceptions of capacity at the community level improved even more if technical assistance (M = 3.96; SD = 0.84) or financial support (M = 4.12; SD = 0.80) were provided. CONCLUSION: Readiness varied by dimension, suggesting the need for tailored implementation supports including technical assistance and financial support.

Measuring and addressing health equity: an assessment of cancer center designation requirements.

PURPOSE: By requiring specific measures, cancer endorsements (e.g., accreditations, designations, certifications) promote high-quality cancer care. While 'quality' is the defining feature, less is known about how these endorsements consider equity. Given the inequities in access to high-quality cancer care, we assessed the extent to which equity structures, processes, and outcomes were required for cancer center endorsements. METHODS: We performed a content analysis of medical oncology, radiation oncology, surgical oncology, and research hospital endorsements from the American Society of Clinical Oncology (ASCO), American Society of Radiation Oncology (ASTRO), American College of Surgeons Commission on Cancer (CoC), and the National Cancer Institute (NCI), respectively. We analyzed requirements for equity-focused content and compared how each endorsing body included equity as a requirement along three axes: structures, processes, and outcomes. RESULTS: ASCO guidelines centered on processes assessing financial, health literacy, and psychosocial barriers to care. ASTRO guidelines related to language needs and processes to address financial barriers. CoC equity-related guidelines focused on processes addressing financial and psychosocial concerns of survivors, and hospital-identified barriers to care. NCI guidelines considered equity related to cancer disparities research, inclusion of diverse groups in outreach and clinical trials, and diversification of investigators. None of the guidelines explicitly required measures of equitable care delivery or outcomes beyond clinical trial enrollment. CONCLUSION: Overall, equity requirements were limited. Leveraging the influence and infrastructure of cancer quality endorsements could enhance progress toward achieving cancer care equity. We recommend that endorsing organizations 1) require cancer centers to implement processes for measuring and tracking health equity outcomes and 2) engage diverse community stakeholders to develop strategies for addressing discrimination.

Health Care Provider Knowledge and Attitudes Regarding Adult Pneumococcal Conjugate Vaccine Recommendations - United States, September 28-October 10, 2022.

Despite the availability of effective vaccines against pneumococcal disease, pneumococcus is a common bacterial cause of pneumonia, causing approximately 100,000 hospitalizations among U.S. adults per year. In addition, approximately 30,000 invasive pneumococcal disease (IPD) cases and 3,000 IPD deaths occur among U.S. adults each year. Previous health care provider surveys identified gaps in provider knowledge about and understanding of the adult pneumococcal vaccine recommendations, and pneumococcal vaccine coverage remains suboptimal. To assess the feasibility and acceptability domains of the Advisory Committee on Immunization Practices (ACIP) Evidence to Recommendations (EtR) framework, a health care provider knowledge and attitudes survey was conducted during September 28-October 10, 2022, by the Healthcare and Public Perceptions of Immunizations Survey Collaborative before the October 2022 ACIP meeting. Among 751 provider respondents, two thirds agreed or strongly agreed with the policy option under consideration to expand the recommendations for the new 20-valent pneumococcal conjugate vaccine (PCV20) to adults who had only received the previously recommended 13-valent pneumococcal conjugate vaccine (PCV13). Gaps in providers' knowledge and perceived challenges to implementing recommendations were identified and were included in ACIP's EtR framework discussions in late October 2022 when ACIP updated the recommendations for PCV20 use in adults. Currently, use of PCV20 is recommended for certain adults who have previously received PCV13, in addition to those who have never received a pneumococcal conjugate vaccine. The survey findings indicate a need to increase provider awareness and implementation of pneumococcal vaccination recommendations and to provide tools to assist with patient-specific vaccination guidance. Resources available to address the challenges to implementing pneumococcal vaccination recommendations include the PneumoRecs VaxAdvisor mobile app and other CDC-developed tools, including summary documents and overviews of vaccination schedules and CDC's strategic framework to increase confidence in vaccines and reduce vaccine-preventable diseases, Vaccinate with Confidence.

Perceptions of the Right to Food Among Adults Aged 60 Years and Older.

This study explores perceptions of the right to food and issues around food assistance and access among older adults. We conducted 20 semi-structured interviews with adults aged 60+ in Iowa, half of whom were food insecure. Most respondents expressed the right to food concerns freedom of choice rather than physical and financial access. The respondents said poor food access was due to improper choices or not accessing food assistance. While respondents believed food insecurity was morally wrong, they also believed current food assistance services are sufficient. These results have important implications for understanding how older adults think about food access.

Disparities in dialysis modality decision-making using a social-ecological lens: a qualitative approach.

BACKGROUND: Patients with end-stage kidney disease (ESKD) may choose to undergo dialysis in-center or at home, but uptake of home dialysis in the US has been minimal despite its benefits over in-center dialysis. Factors that may have led patients to select home dialysis over in-center dialysis are poorly understood in the literature, and interventions to improve selection of home dialysis have focused on patient knowledge and shared decision-making processes between patients and providers. The purpose of this study was to explore micro- and macro-level factors surrounding dialysis modality decision-making among patients undergoing in-center and home dialysis, and explore what leads patients to select home dialysis over in-center dialysis. METHODS: Semi-structured qualitative interviews were conducted in a dialysis clinic at a large Midwestern research hospital, from September 2019 to December 2020. Participants were 18 years or older, undergoing dialysis for ESKD, and had the cognitive ability to provide consent. Surveys assessing demographic and clinical information were administered to participants following their interviews. RESULTS: Forty patients completed interviews and surveys (20 [50%] in-center dialysis, 17 [43%] female, mean [SD] age, 59 [15.99] years). Qualitative findings suggested that healthcare access and engagement before entering nephrology care, after entering nephrology care, and following dialysis initiation influenced patients' awareness regarding their kidney disease status, progression toward ESKD, and dialysis options. Potential modifiers of these outcomes include race, ethnicity, and language barriers. Most participants adopted a passive-approach during decision-making. Finally, fatigue, concerns regarding one's dialyzing schedule, and problems with fistula/catheter access sites contributed to overall satisfaction with one's dialysis modality. CONCLUSIONS: Findings point to broader factors affecting dialysis selection, including healthcare access and racial/ethnic inequities. Providing dialysis information before entering nephrology and after dialysis initiation may improve patient agency in decision-making. Additional resources should be prioritized for patients of underrepresented backgrounds. Dialysis decision-making may be appropriately modeled under the social-ecological framework to inform future interventions.

Challenges to Adolescent HPV Vaccination and Implementation of Evidence-Based Interventions to Promote Vaccine Uptake During the COVID-19 Pandemic: "HPV Is Probably Not at the Top of Our List".

INTRODUCTION: The COVID-19 pandemic has prevented many adolescents from receiving their vaccines, including the human papillomavirus (HPV) vaccine, on time. However, little is known about the impact of the pandemic on implementation of clinic-level evidence-based interventions (EBIs) that help to improve HPV vaccine uptake. In this qualitative study, we explored the pandemic's impact on EBI implementation and HPV vaccine delivery. METHODS: During August-November 2020, we interviewed clinic managers in a rural, midwestern state about their experiences implementing EBIs for HPV vaccination during the COVID-19 pandemic. We used a multipronged sampling approach with both stratified and purposive sampling to recruit participants from Vaccines for Children clinics. We then conducted a thematic analysis of transcripts. RESULTS: In interviews (N = 18), 2 primary themes emerged: decreased opportunities for HPV vaccination and disruption to HPV-related implementation work. Most participants reported decreases in opportunities to vaccinate caused by structural changes in how they delivered care (eg, switched to telehealth visits) and patient fear of exposure to COVID-19. Disruptions to EBI implementation were primarily due to logistical challenges (eg, decreases in staffing) and shifting priorities. CONCLUSION: During the pandemic, clinics struggled to provide routine care, and as a result, many adolescents missed HPV vaccinations. To ensure these adolescents do not fall behind on this vaccine series, providers and researchers will need to recommit to EBI implementation and use existing strategies to promote vaccination. In the long term, improvements are needed to make EBI implementation more resilient to ensure that progress does not come to a halt in future pandemic events.

Acceptability of Adolescent COVID-19 Vaccination Among Adolescents and Parents of Adolescents - United States, April 15-23, 2021.

On May 10, 2021, the Food and Drug Administration (FDA) expanded its Emergency Use Authorization for the Pfizer-BioNTech COVID-19 vaccine to include adolescents aged 12-15 years; this authorization was followed by interim recommendations from the Advisory Committee on Immunization Practices (ACIP) for the vaccine among this age group (1). Using data from nonprobability-based Internet panel surveys administered by the Healthcare and Public Perceptions of Immunizations (HaPPI) Survey Collaborative, the acceptability of adolescent COVID-19 vaccination and self-reported factors increasing vaccination intent were assessed among independently recruited samples of 985 adolescents aged 13-17 years and 1,022 parents and guardians (parents) of adolescents aged 12-17 years during April 15-April 23, 2021, prior to vaccine authorization for this age group. Approximately one quarter (27.6%) of parents whose adolescents were already vaccine-eligible (i.e., aged 16-17 years) reported their adolescent had received ≥1 COVID-19 vaccine dose, similar to the proportion reported by vaccine-eligible adolescents aged 16-17 years (26.1%). However, vaccine receipt reported by parents of adolescents differed across demographic groups; parents identifying as female or Hispanic, or who had an education lower than a bachelor's degree reported the lowest adolescent COVID-19 vaccination receipt. Among parents of unvaccinated adolescents aged 12-17 years, 55.5% reported they would "definitely" or "probably" have their adolescent receive a COVID-19 vaccination. Among unvaccinated adolescents aged 13-17 years, 51.7% reported they would "definitely" or "probably" receive a COVID-19 vaccination. Obtaining more information about adolescent COVID-19 vaccine safety and efficacy, as well as school COVID-19 vaccination requirements, were the most commonly reported factors that would increase vaccination intentions among both parents and adolescents. Federal, state, and local health officials and primary care professionals were the most trusted sources of COVID-19 vaccine information among both groups. Efforts focusing on clearly communicating to the public the benefits and safety of COVID-19 vaccination for adolescents, particularly by health care professionals, could help increase confidence in adolescent COVID-19 vaccine and vaccination coverage.

Relationships between health literacy, having a cancer care coordinator, and long-term health-related quality of life among cancer survivors.

PURPOSE: Care coordination is a strategy to reduce healthcare navigation challenges for cancer patients. The objectives of this study were to assess the association between having a cancer care coordinator (CCC) and long-term health-related quality of life (HRQoL), and to evaluate whether this association differed by level of health literacy. METHODS: A population-based sample of survivors diagnosed with breast, prostate, or colorectal cancer in 2015 from the Iowa Cancer Registry participated in an online survey conducted in 2017-2018 (N = 368). Chi-squared tests and logistic regression were used to model the association between patient characteristics and having a cancer care coordinator. Linear regression was used to model the association between patient perception of having a cancer care coordinator and post-treatment physical or mental HRQoL by differing levels of health literacy while controlling for sociodemographic and clinical factors. RESULTS: Most survivors (81%) reported having one healthcare professional who coordinated their cancer care. Overall, patient perception of having a coordinator was not significantly associated with physical HRQoL (p = 0.118). However, participants with low health literacy (21%) who had a coordinator had significantly higher physical HRQoL scores compared to those who did not (adjusted mean difference 5.2, p = 0.010), while not so for medium (29%) or high (51%) health literacy (p = 0.227, and p = 0.850, respectively; test for interaction p = 0.001). Mental HRQoL was not associated with having a coordinator in our analyses. CONCLUSION: Findings suggest that care coordinators improved post-treatment physical HRQoL, particularly for participants with low health literacy. Care coordinators may be beneficial to the most vulnerable patients struggling to navigate the complex healthcare system during cancer treatment. Future research should focus on the mechanisms by which care coordination may affect post-treatment HRQoL.

Implementation and outcome evaluation of a team nutrition intervention: increasing knowledge, attitudes, and preferences.

Low-income, rural children are at a greater risk for poor dietary intake. Schools offer a venue to deliver appropriate interventions. Our aim was to evaluate the implementation and effectiveness of Healthy Schools, Healthy Students (HSHS). We conducted a mixed-methods evaluation using a cluster-randomized trial design with 20 schools in a rural, Midwestern state. HSHS included education sessions, cafeteria coaching and taste testing. We interviewed implementers (n = 13) and nutrition educators (n = 8), conducted six focus groups with cafeteria coaches, and surveyed fourth graders (n = 1057) about their nutrition knowledge, attitudes toward and preferences for fruits and vegetables (F&V), F&V consumption and MyPlate awareness. We used multi-level linear models to estimate the intervention effect and qualitative data were coded. There were very few challenges to implementation. HSHS participation was positively associated with knowledge, attitudes toward F&V, preferences for vegetables from the taste tests, MyPlate awareness and vegetable consumption. HSHS was viewed as beneficial and easy to deliver, suggesting this type of intervention could be widely implemented. Improving knowledge and attitudes through nutrition education and preferences through taste testing have the potential to improve dietary intake among rural students. Low-cost nutrition interventions can be successfully implemented in rural elementary schools with positive outcomes.

Implementation Challenges and Opportunities Related to HPV Vaccination Quality Improvement in Primary Care Clinics in a Rural State.

Efforts to understand low human papillomavirus vaccine coverage led us to explore quality improvement (QI) decision-making programs and processes to increase vaccine uptake. These QI programs often include interventions recommended by the AFIX (Assessment Feedback Incentives eXchange) Program that supports Vaccines for Children (VFC) clinics. However, little is known about decision-making around intervention selection or extent of implementation. In collaboration with the state public health department in the rural Midwestern, investigators developed a survey to explore vaccine-related QI in VFC clinics. The survey was distributed via email to all VFC clinics (n = 605); results presented are from the primary care clinics (n = 115). Respondents (VFC liaisons) reported decisions about vaccine QI were made by multiple actors within their own clinics (45.1%), by a clinic manager in charge of multiple clinics (33.0%) and/or at a centralized administrative office (35.2%). Additionally, the majority of respondents considered external actors, like insurance companies (52.7%) or Medicaid/Medicare (50.5%), important to the decision-making process. Most commonly implemented interventions focused on provider knowledge and patient education. Least commonly implemented interventions required systematic changes, such as reminder/recall and follow-up after missed appointments. This preliminary research indicates there are multiple points of decision-making within clinics and health care systems, and therefore change agents at all points need to be involved. The most commonly implemented interventions focus on providers and patients, with an emphasis on education. Interventions requiring system-level changes and use of electronic health records are less common and more attention should be directed towards such interventions.

Actively Involving Middle School Students in the Implementation of a Pilot of a Behavioral Economics-Based Lunchroom Intervention in Rural Schools.

School-based interventions can play an important role in improving childhood and adolescent nutrition and preventing obesity. Schools offer a unique opportunity to implement policy, systems, and environmental interventions targeting healthy eating behaviors. An intervention was piloted in six middle schools featuring behavioral economics-based changes to the lunchroom, communication training, and communicate cues for food service staff. The pilot study employed a multicomponent evaluation with students and food service directors and staff including a lunchroom assessment, online surveys, production records, and interviews. Five schools increased their scores on the lunchroom assessment tool, and four schools increased the number of servings produced of healthy food items. Interviews with food service directors indicated the interventions was feasible and well received. School-based policy, systems, and environmental interventions targeting healthy eating behaviors may play a role in preventing obesity in children and adolescents.

Building Relationships and Capacity in Rural Lunchrooms: Lessons from a Process Evaluation of a Pilot Behavioral Economics-Based Intervention.

We aimed to describe the successes and challenges of implementing a pilot program by working with students and food service staff in four rural high schools to encourage healthy eating among rural adolescents. The pilot program engaged students and school food service directors (FSDs) in identifying and making changes to the school lunchroom environment based on behavioral economics. As part of a multi-method evaluation, we conducted interviews with FSDs and staff, held focus groups with students, and recorded our observations as researchers. The lessons learned highlighted the importance of (1) the FSD's role in the school, (2) a faculty partner involved in the project, (3) the characteristics of the student group, and (4) setting realistic goals for the students. Our findings can guide future interventions designed to improve food choices in school lunchrooms and increase adolescents' fruit and vegetable consumption.

Completion of Requirements in Iowa's Medicaid Expansion Premium Disincentive Program, 2014-2015.

OBJECTIVES: To evaluate rates of member compliance with Iowa's Medicaid expansion premium disincentive program. METHODS: We used 2014 to 2015 Iowa Medicaid data to construct rolling 12-month cohorts of Wellness Plan and Marketplace Choice members (Iowa's 2 Medicaid expansion waiver programs for individuals ≤ 100% and 101%-138% of the federal poverty level, respectively), calculated completion rates for required activities (i.e., wellness examinations and health risk assessments), and identified factors associated with program compliance. RESULTS: Overall, 18.5% of Wellness Plan and 12.5% of Marketplace Choice members completed both activities (P < .001). From 2014 to 2015, completion rates for both activities decreased for Wellness Plan members but increased for Marketplace Choice members. Members who were younger, male, or non-White were less likely to complete required activities. CONCLUSIONS: Approximately 81% of Wellness Plan members and 87% of Marketplace Choice members failed to comply with program requirements and should have been subject to paying premiums the following year or face disenrollment. Disparities in completion rates may exacerbate disparities in insurance coverage and health outcomes. Public Health Implications. As states consider establishing Medicaid premium disincentive programs, they should anticipate challenges to successful implementation.

Preferences Related to the Use of Mobile Apps as Dental Patient Educational Aids: A Pilot Study.

PURPOSE: Numerous patient education apps have been developed to explain dental treatment. The purpose of this study was to assess perceptions and preferences regarding the use of apps in dental settings. MATERIALS AND METHODS: Four patient education apps describing fixed partial dentures were demonstrated to participants (N = 25). Questions about each app were asked using a semi-structured interview format to assess participants' opinions about each app's content, images, features, and use. Sessions were analyzed via note-based methods for thematic coding. RESULTS: Participants believed that apps should be used in conjunction with a dentist's explanation about a procedure. They desired an app that could be tailored for scope of content. Participants favored esthetic images of teeth that did not show structural anatomy, such as tooth roots, and preferred interactive features. CONCLUSIONS: Patient education apps may be a valuable tool to enhance patient-provider communication in dental settings. Participants exhibited varying preferences for different features among the apps and expressed the desire for an app that could be personalized to each patient. Additional research is needed to assess whether the use of apps improves oral health literacy and informed consent among patients.

Understanding Clinic Practices for Human Papilloma Virus Vaccination Series Completion in Clinics That Provide Primary Care: Survey of Clinic Managers in Iowa.

BACKGROUND: Rates for human papilloma virus (HPV) vaccination are low across the United States. Evidence-based-practices to increase immunization coverage have been recommended by public health organizations, yet many primary care clinics do not follow these practices. The purpose of this study was to examine if primary care clinics use these best practices to promote completion of the HPV vaccine series for their adolescent patients. Understanding the prevalence of evidence-based immunization strategies is key to increasing vaccination coverage. METHODS: We mailed 914 surveys to clinic managers of clinics that provide primary care in Iowa. The survey content was based on immunization strategies related to clinic practice and policies that have been proven effective to promote the completion of the HPV vaccination series. RESULTS: Survey responses from 127 clinics were used in the final analysis. Most clinics always used the state's immunization information system to record HPV vaccinations (89.4%). Over a quarter of clinics (27.6%) did not use any type of reminder or recall system to alert parents or providers that an HPV vaccine was due, and 35.0% did not give the vaccine at sick visits. CONCLUSIONS: Clinics need to focus more on the recommended logistics and processes to ensure that patients receive the entire HPV vaccination series. Survey results indicate that clinics are not consistently implementing the recommended best practices to ensure that vaccination series are completed.

"Baby? Baby Not?": Exploring Women's Narratives About Ambivalence Towards an Unintended Pregnancy.

Unintended pregnancy among adult women is a significant public health challenge in the United States. Research has identified ambivalence as a risk factor for not using contraceptives. The qualitative study presented here examined women's narratives about ambivalence toward unintended pregnancy. In-depth interviews were conducted in 2012 with 28 women aged 20-45 years old who were recruited primarily via flyers in family planning clinics in a rural, Midwestern state. The interviews were coded for salient themes. Almost 40 percent of the women said that they had experienced an unintended pregnancy. All but two women expressed ambivalence, stating that they had both good and bad feelings about getting pregnant unintentionally. Women expressed if a pregnancy did occur, they would just have to step up and "deal with it." They recognized a baby was something special but not without negative aspects. Those who were less ambivalent (and more negative) had compelling reasons why, but even those women expressed some positive feelings. At times, ambivalence was expressed by negative reactions about having a child that coincided with believing that becoming a parent or having another child would have a positive impact on themselves. This study provides an examination of women's narratives about ambivalence toward pregnancy. Overall, women's narratives constructed ambivalence as arising from both positive and negative emotions, as well as beliefs about costs and benefits, associated with unintended pregnancy. Given its association with a lack of contraceptive use, understanding the components of ambivalence (e.g., feelings, beliefs) is important to bolstering interventions aimed toward decreasing ambivalence and increasing contraceptive use.

Relationship between medical well baby visits and first dental examinations for young children in Medicaid.

OBJECTIVES: We examined the relationship between preventive well baby visits (WBVs) and the timing of first dental examinations for young Medicaid-enrolled children. METHODS: The study focused on children born in 2000 and enrolled continuously in the Iowa Medicaid Program from birth to age 41 months (n = 6322). The main predictor variables were number and timing of WBVs. The outcome variable was timing of first dental examination. We used survival analysis to evaluate these relationships. RESULTS: Children with more WBVs between ages 1 and 2 years and ages 2 and 3 years were 2.96 and 1.25 times as likely, respectively, to have earlier first dental examinations as children with fewer WBVs. The number of WBVs before age 1 year and the timing of the WBVs were not significantly related to the outcome. CONCLUSIONS: The number of WBVs from ages 1 to 3 years was significantly related to earlier first dental examinations, whereas the number of WBVs before age 1 year and the timing of WBVs were not. Future interventions and policies should actively promote first dental examinations by age 12 months at WBVs that take place during the first year of life.

An explanatory model of factors related to well baby visits by age three years for Medicaid-enrolled infants: a retrospective cohort study.

BACKGROUND: Well baby visits (WBVs) are a cornerstone of early childhood health, but few studies have examined the correlates of WBVs for socioeconomically vulnerable infants. The study objective was to identify factors related to the number of WBVs received by Medicaid-enrolled infants in the first three years of life and to present a preliminary explanatory model. METHODS: We analyzed Iowa Medicaid claims files and birth certificate data for infants born in calendar year 2000 (N = 6,085). The outcome measure was the number of well baby visits (WBVs) received by Medicaid-enrolled infants between age 1 and 41 months (range: 0 to 10). An ecological health model and existing literature were used to evaluate 12 observed factors as potential WBV correlates. We ran multiple variable linear regression models with robust standard errors (α = 0.05). RESULTS: There were a number of infant, maternal, and health system factors associated with the number of WBVs received by Medicaid-enrolled infants. Infants whose mothers had a greater number of prenatal healthcare visits (ß = 0.24 to 0.28; P = .001) or were married (ß = 0.20; P = .002) received more WBVs. Having a chronic health condition (ß = 0.51; P < .0001) and enrollment in a case management program (ß = 0.48; P < .0001) were also positively associated with WBVs. Eligibility for Medicaid through the Supplemental Security Income Program (ß = -0.70; P = .001), increased maternal age (ß = -0.27 to -0.35; P = .004), higher levels of maternal education (ß = -0.18; P = .005), maternal smoking (ß = -0.13; P = .018), and enrollment in a health maintenance organization plan (ß = -1.15; P < .0001) were negatively associated with WBVs. There was a significant interaction between enrollment in a health maintenance organization plan and enrollment in a Medicaid case management program (P = .015). Maternal race, maternal alcohol use during pregnancy, and rurality were not significantly related to the number of WBVs. CONCLUSIONS: Multiple infant, maternal, and health system variables were related to the number of WBVs received by Medicaid-enrolled infants. Additional research is needed to develop strategies to optimize access to WBVs for Medicaid-enrolled infants at risk for poor use of preventive medical care services.