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Summary: Background: In 2016, Brazil scaled up the Criança Feliz Program (PCF, from the acronym in Portuguese), making it one of the largest Early Childhood Development (ECD) programs worldwide. However, the PCF has not been able to achieve its intended impact. We aimed to identify barriers and facilitators to achieving the PCF implementation outcomes across the RE-AIM dimensions (Reach, Effectiveness or Efficacy, Adoption, Implementation and Maintenance) during the COVID-19 pandemic. Methods: This comparative case study analysis selected five contrasting municipalities based on population size, region of the country, implementation model, and length of time implementing the PCF. We conducted 244 interviews with PCF municipal team (municipal managers, supervisors, home visitors), families, and cross-sectoral professionals. A rapid qualitative analysis was used to identify themes across RE-AIM dimensions. Findings: Families’ limited knowledge and trust in PCF goals were a barrier to its reach. While the perceived benefit of PCF on parenting skills and ECD enabled reach, the lack of referral protocols to address social needs, such as connecting food-insecure families to food resources, undermined effectiveness. Questions about whether the social assistance sector should be in charge of PCF challenged its adoption. Implementation barriers exacerbated by the COVID-19 pandemic included low salaries, temporary contracts, high turnover, infrequent supervision, lack of an effective monitoring system, and nonexistence or non-functioning multisectoral committees. The absence of institutionalized funding was a challenge for sustainability. Interpretation: Complex intertwined system-level barriers may explain the unsuccessful implementation of PCF. These barriers must be addressed for Brazil to benefit from the enormous reach of the PCF and the evidence-based nurturing care principles it is based upon. Funding: NIH/NICHD.

BackgroundDuring the COVID-19 pandemic, children faced a disproportionate burden of malnutrition and poor health outcomes. Nurturing care interventions (NCIs) including actions toward good health, adequate nutrition, responsive care, opportunities for early learning, and security and safety are critical for promoting equity. Due to the need for evidence-based responses and preparedness, we analyzed adaptations in NCIs’ implementation strategies during COVID-19 according to the Framework for Reporting Adaptations and Modifications to Evidence-based Implementation Strategies (FRAME-IS).MethodWe conducted a global scoping review including peer-reviewed and non-peer-reviewed literature. The databases searched were PubMed, Embase, Scopus, BVS, Scielo, and Web of Science. This search was complemented by an extensive examination of relevant websites and an additional internet search via Google Scholar. We extracted and analyzed the data following the seven modules of the FRAME-IS.ResultsOut of 20 records, 27 NCI were identified across Africa (n = 3), Asia (n = 7), Europe (n = 3), North America (n = 11), Oceania (n = 1), and South America (n = 2). NCIs adapted their content (e.g., adding elements), evaluation (e.g., conducting needs assessment), training (e.g., using experts), and context (e.g., setting—shifting from in-person to remote, and population—expanding interventions’ reach). Adaptation goals were to increase acceptability (n = 9, 32.1%), adoption (n = 5, 17.8%), appropriateness (n = 10, 35.7%), feasibility (n = 25, 89.3%), penetration (n = 15, 53.6%), sustainability (n = 23, 82.1%), and fidelity (n = 1, 3.7%). The rationale to adapt varied from sociopolitical (n = 6, 21.4%), organizational (n = 13, 46.4%), implementer (n = 11, 39.3%), practitioner (n = 15, 53.6%), and recipient (n = 11, 39.3%). A quarter were reactive planned adaptations and 75.0% were unplanned modifications. Decisions were led by program leaders (n = 21, 75.0%), funders (n = 9, 32.1%), partners (n = 3, 10.7%), researchers (n = 1, 3.6%), and practitioners (n = 3, 10.7%). Adaptations were widespread from unit (e.g., hospital) (n = 1, 3.6%), organization (n = 4, 14.3%), and community system (e.g., countrywide) (n = 14, 50.0%).ConclusionThe results from our global scoping review show that it is possible for NCIs to continue and even improve their delivery despite the global crisis, suggesting that remote delivery is feasible and can work as an alternative when in lockdown. Strategic planning taking advantage of existing structures and partnerships may have allowed NCI adaptations to be sustainable as well as facilitated replication within the organization network system.

Investing in early childhood programs such as Brazil's Criança Feliz Program (PCF) to support low-income families in providing a nurturing care environment is critical to ensure that children reach their full developmental potential. We aimed to analyze the influence of the PCF on the nurturing care environment provided by families enrolled in the program in the Federal District, Brazil. A qualitative case study was conducted based on in-depth interviews with a purposive sampling of 22 caregivers enrolled in the PCF for at least six months. Eighteen subthemes emerged from the thematic analysis following the five components of the Nurturing Care Framework (i.e., good health, adequate nutrition, responsive care, early learning, and security and safety). Caregivers recognized the benefits of the PCF on children's mental health (good health) and reported challenges in providing adequate nutrition due to food insecurity (adequate nutrition). A bond between the home visitor and families was identified as critical to promote responsive parenting practices (responsive care). Caregivers appreciated the early stimulation activities provided during PCF home visits (opportunities for early learning). Access to social welfare programs, such as conditional cash transfer and food assistance, were facilitated through PCF multisectoral actions (safety and security). On the other hand, families reported not receiving support from PCF for issues such as breastfeeding, maternal mental health, and disciplinary practices. In summary, PCF enhanced the components of the nurturing care environment provided by families. However, their vulnerabilities and contextual implementation barriers may prevent families from fully benefiting from PCF activities.