The impact of ever breastfeeding on children ages 12 to 36 months: A secondary data analysis of the standardization study of the Dominican system for evaluating early childhood development.

Extensive research has shown that breastfeeding offers many benefits to children, including advantages in lifelong health, physical development, cognitive function, behavior, and brain development, compared to those not breastfed. In the Dominican Republic, the prevalence of exclusive breastfeeding among infants aged 0-6 months remains low, and the lack of a surveillance system has made it challenging to measure the impact of breastfeeding on early childhood development (ECD). This study aims to address the effect of ever breastfeeding on ECD. We conducted secondary data analysis from the Dominican System for Measuring Early Childhood Development (SIMEDID), a screening tool adapted and validated to the Dominican context that measures four areas of development: gross-motor, fine-motor, language, and socioemotional development. The data from SIMEDID can be cross-analyzed with other datasets generated by the National Institute for Early Childhood Comprehensive Care (INAIPI) that include information about breastfeeding. The children were evaluated during the standardization study of SIMEDID. To determine the breastfeeding impact, we: 1) conducted an analysis of covariance using ECD scores as dependent variables and ever breastfed as the independent variable, with age and sex as covariates (previously confirmed with an analysis of variance indicating the relevance of age and sex at birth in ECD); 2) analyzed the relative risk (RR) of developmental delay by breastfeeding status. We studied a sample of 699 Dominican children aged 12-36 months who receive services at INAIPI (the government institution responsible for administering comprehensive early childhood services). The results show that ever breastfed children had higher scores in overall ECD than those who were not; higher scores in language and fine motor development primarily drove this effect. The never breastfed group had a greater risk of developmental delay in fine motor and socioemotional development. These findings underscore the importance of promoting and supporting breastfeeding to improve child neurodevelopmental outcomes. This is particularly relevant in low-resource settings, where mothers may need additional support. Moreover, the study's results provide evidence of SIMEDID's validation, which can help inform future research and evidence-based decision-making toward optimal ECD in similar contexts.

Cognitive decline monitoring through a web-based application.

Cognitive decline usually begins after individuals reach maturity, which is more evident in late adulthood. Rapid and constant cognitive screenings allow early detection of cognitive decline and motivate individuals to participate in prevention interventions. Due to accelerated technological advances, cognitive screening and training are now available to the layperson using electronic devices connected to the internet. Large datasets generated by these platforms provide a unique opportunity to explore cognitive development throughout life and across multiple naturalistic environments. However, such data collection mechanisms must be validated. This study aimed to determine whether the data gathered by commercial visuospatial and phonological working memory tests (CogniFit Inc., San Francisco, USA) confirm the well-established argument that age predicts cognitive decline. Data from 3,212 participants (2,238 females) who were 45 years old or older were analyzed. A linear regression analysis explored the relationship between age and working memory while controlling for gender, sleep quality, and physical activity (variables that are known to affect working memory). We found that age negatively predicts working memory. Furthermore, there was an interaction between age and gender for visuospatial working memory, indicating that although male participants significantly outperformed females, the relationship between age and working memory differs for females and males. Our results suggest that the computerized assessment of visuospatial and phonological working memory is sensible enough to predict cognitive functions in aging. Suggestions for improving the sensitivity of self-reports are discussed. Further studies must explore the nature of gender effects on cognitive aging.

Validation of the Dominican system for measuring early childhood development.

Background: The purpose of the study was to determine the psychometric properties of the Dominican System for Measuring Early Childhood Development (SIMEDID, for its Spanish acronym), to adjust the sequence of item presentation, and to provide age-standardized norms for each item, to enable policy and program managers to make decisions based on specific and structured data. Methods: After approval from an ethics committee, a total of 948 children from 0 to 60 months participated in this study. Participants were evaluated on four early childhood development domains (gross motor, fine motor, language development, and socio-emotional development). The data were collected from November 2021 to February 2022, either at early childhood care centers or at home, using mobile devices that guided the evaluators through the screener. Data were later synced to a global database. Psychometric properties were calculated using Cronbach's alpha and split-half parallel reliability. For reorganizing item presentation and to obtain age-standardized norms, we conducted a logistic regression analysis for each item on dependent variable item success, and independent variable age. Results: The instrument showed excellent reliability and additional evidence of validity. The item presentation order was rearranged according to the probability of item success progression. In addition, the study characterized the expected evolution of item success probability across participants' age. Conclusions: SIMEDID is a valid and reliable instrument for depicting childhood development in national evaluations. Its integration with electronic platforms for national monitoring represents a cost-effective, time-efficient screening tool adapted to the Dominican sociocultural context. This represents a promising tool to strengthen strategies that support early childhood development.

The role of sociodemographic and psychosocial variables in early childhood development: A secondary data analysis of the 2014 and 2019 Multiple Indicator Cluster Surveys in the Dominican Republic.

The association between sociodemographic factors-poverty, lack of maternal schooling, being male at birth-, childhood developmental delay, and poor educational outcomes has been established in the Dominican Republic (DR). However, family moderating factors present or introduced to buffer sociodemographic factors effects on early childhood development (ECD) are still unknown. We conducted a secondary analysis of the DR's 2014 and 2019 Multiple Indicator Cluster Surveys. We had four study aims: 1) confirm the relationship between socioeconomic position (SP), parenting practices, and ECD; 2) determine if a sociodemographic model predicted ECD; 3) determine if a psychosocial model (family childrearing practices, discipline, and early childhood stimulation) predicted ECD above and beyond the sociodemographic model; 4) explore mothers' beliefs about physical punishment and its relationship with ECD and psychosocial variables. We found that both models predicted ECD significantly, but the psychosocial model explained more variance than the sociodemographic model (6.3% in 2014 and 4.4% in 2019). The most relevant sociodemographic predictors were SP (explaining 21.6% of ECD variance in 2014 and 18.6% in 2019) and mother's education (explaining 13.9% in 2014 and 14.1% in 2019). The most salient ECD psychosocial predictors were: negative discipline, number of children's books at home, stimulating activities at home, and attendance to an early childhood education program. The predicting weights of the independent variables were similar for both years. These results have multiple implications for social programs that aim to improve children's potential in contexts of poverty. Although the results show a protective effect of psychosocial factors, sustainable and large-scale interventions should not be limited to just buffering effects, but to solve the underlying problem, which is that poverty prevents children from reaching their developmental potential and exposes them to life-long greater risk for chronic disease. Addressing delays early in life can therefore contribute to achieving health equity.

Efectos de un juego electrónico en las habilidades iniciales de alfabetización / Effects of an electronic game on early literacy skills / Efeitos de um jogo eletrônico nas habilidades iniciais de alfabetização

The attainment of the alphabetic principle is one of the earliest signs of successful literacy acquisition. Public school students from the Dominican Republic have low literacy skills, partly because of not being systematically exposed to the alphabetic principle while learning to read. This paper presents the results of an intervention to teach the alphabetic principle using a tablet-based game. Nineteen kindergarten students were randomly assigned to a control and an experimental group during the last month of the 2017 school year. Students from the experimental group played with the game for ten sessions of 20 minutes each. Students from the experimental group outperformed the control group in syllable recognition after the intervention. The intervention did not influence other reading skills. Automatic syllable identification has been shown to boost early literacy acquisition, although it is not sufficient for students to become fluent readers.

El conocimiento del principio alfabético es una de las primeras señales que apunta a que los alumnos se alfabetizaron con éxito. Los alumnos de escuelas públicas de la República Dominicana tienen bajos niveles de alfabetización, porque, en parte, no son expuestos sistemáticamente al principio alfabético en el proceso de aprender a leer. En este texto se presentan los resultados de una intervención para enseñar el principio alfabético usando un juego para tabletas. Durante el último mes del año escolar de 2017, diecinueve alumnos de pre-primario fueron aleatoriamente asignados a uno de dos grupos: un grupo control y otro experimental. Los alumnos del grupo experimental jugaron con el juego por diez sesiones de 20 minutos cada una. Los alumnos del grupo experimental superaron al grupo de control en el reconocimiento de sílabas tras la intervención. Esta intervención no influyó en otras habilidades de lectura. Se conoce que la identificación automática de sílabas promueve el aprendizaje de la lectura, pero no es suficiente para que los alumnos alcancen la fluidez lectora.

Um dos primeiros sinais da alfabetização bem-sucedida é a assimilação do princípio alfabético. Os alunos de escolas públicas da República Dominicana têm baixo nível de alfabetização, em parte por não serem sistematicamente expostos ao princípio alfabético quando estão aprendendo a ler. Este artigo apresenta os resultados de uma intervenção para o ensino do princípio alfabético por meio de um jogo para tablet. Dezenove alunos da educação infantil foram aleatoriamente designados para um grupo controle e um grupo experimental durante o último mês do ano letivo de 2017. Os alunos do grupo experimental brincaram com o jogo por dez sessões de 20 minutos cada. Os alunos do grupo experimental superaram o grupo de controle no reconhecimento de sílabas após a intervenção. A intervenção não influenciou outras habilidades de leitura. Foi demonstrado que a identificação automática de sílabas aumenta a alfabetização precoce, embora não seja suficiente para que os alunos se tornem leitores fluentes.

Validation of the Malawi Developmental Assessment Tool for children in the Dominican Republic: Preliminary results.

BACKGROUND: This study initiated the validation process of a translated and adapted version of the Malawi Developmental Assessment Tool (MDAT) for children in the Dominican Republic (DR). Like Malawi before the development of the MDAT, the DR did not have early childhood development (ECD) tools explicitly designed for low-resource areas that are also valid assessments of child development. We chose MDAT because it underwent a rigorous validation process and retained measurements of test items that were culturally adaptable from the Denver Developmental Screening Test II. We aimed to test the internal consistency and inter-rater reliability of the MDAT in children under the age of two years living in low-income neighborhoods in Santo Domingo in 2017. METHODS AND FINDINGS: Forty-two children from 2 to 24 months of age (mean = 11.26, SD = 6.37, boys = 22, girls = 20) and their corresponding caregiver participated in the study. We conducted a cross-sectional, pre-experimental study. The primary outcome measure was an index of ECD, as assessed by the Dominican adaptation of the MDAT. The tool evaluates children in four domains: social, fine motor, language, and gross motor. To determine internal consistency, we obtained Spearman-Brown split-half reliability for each sub-scale. The results showed a good consistency (>.6) for social, fine motor, and gross motor, and an acceptable consistency (>.5) for language. Second, to test the inter-rater reliability, we conducted a Kendall's Taub test of independence for both the general scale and each sub-scale. Significant rτ scores ranged from .923 to .966, indicating appropriate inter-rater reliability. Third, we correlated the age variable with each subscale to determine if the development scale followed a progression of abilities that are expected to increase with maturation. The age variable correlated positively with all the subscales (social r = .887, p < .001; fine motor r = .799, p < .001; language r = .834, p < .001; gross motor r = .805, p < .001), indicating that the older the child, the better scores in the development measurements, as expected. There were no adverse events. This study, however, has multiple limitations. We did not gather information about socioeconomic position, which is an important variable when assessing child development; however, all participants lived in a low-income neighborhood. Given that this is the first ECD tool specific to the Dominican Republic, norm-referenced scores for the Dominican population do not yet exist. This study sample size is insufficient to make inferences about the national population. CONCLUSIONS: This study represents the first attempt to obtain a valid tool to screen for development milestones in children living in poverty in the DR. More research is needed to refine the instrument. The availability of the tool will enable impact evaluations of ECD intervention programs and the development of evidence-based public policies in the DR.