Associations of Infant Sleep Characteristics with Childhood Cognitive Outcomes.

OBJECTIVE: The objective of this study was to quantify associations of infant 24-hour sleep duration and nighttime sleep consolidation with later child cognition. METHODS: This study included children from Project Viva, a prospective cohort in Massachusetts with (1) sleep measures in infancy (median age 6.4 months) and (2) child cognition in early childhood (median age 3.2 years) or mid-childhood (median age 7.7 years). Main exposures were parental reports of infant 24-hour sleep duration and nighttime sleep consolidation (% of total daily sleep occurring at nighttime). Cognitive outcomes were (1) early childhood vocabulary and visual-motor abilities and (2) mid-childhood verbal and nonverbal intelligence quotient (IQ), memory, and visual-motor abilities. We examined associations of infant sleep with childhood cognition using linear regression models adjusted for child sex, age, and race or ethnicity; maternal age, education, and parity; and household income. RESULTS: Early and mid-childhood analyses included 1102 and 969 children, respectively. Most mothers reported infant race or ethnicity as White (69%) and were college graduates (71%). The mean infant 24-hour sleep duration was 12.2 ± 2.0 hours, and the mean nighttime sleep consolidation was 76.8% ± 8.8%. Infant 24-hour sleep duration was not associated with any early or mid-childhood outcomes. Higher infant nighttime sleep consolidation was associated with higher mid-childhood verbal intelligence (ß: 0.12 points per % nighttime sleep; 95% CI, 0.01-0.22), but not with any early childhood cognitive measures. CONCLUSION: In this cohort, higher infant nighttime sleep consolidation was associated with higher verbal IQ in mid-childhood. Future studies should investigate causal relationships of infant sleep consolidation with child cognition among diverse populations.

Health Disparities Among Children in Immigrant Households: New York City 2009 and 2017.

We tested the hypothesis that children in New York City (NYC) with an immigrant parent were more likely to lack health insurance and report poorer parent-rated health compared to those of US-born parents in this serial, cross-sectional study using existing data from 2009 to 2017 among children age < 12 years in two NYC health surveys. Main outcomes were parent-reported responses for (1) child insurance coverage and (2) child general health status. In multivariable logistic regression models, we estimated likelihood of outcomes for children of immigrants compared to those of US-born parents, adjusting for child, parent, and household characteristics. We included 2,637 children in 2009 and 7,042 in 2017 in NYC. In 2017, children of immigrant parents were more likely to experience uninsurance than children of US-born parents [adjusted odds ratio (AOR) 2.36 (95% CI: 1.05-5.31)]. Compared to children of US-born parents, children with an immigrant parent were more likely to have a gap in insurance coverage in both 2009 (AOR 1.88; 95% CI: 1.08-3.27) and 2017 (AOR 1.60; 95% CI: 1.06-2.41). Although more children of immigrants had poor/fair health than those of US-born parents in both years, differences were not statistically significant after adjusting for covariates. Our findings among a sample of children eligible for health insurance suggest policies intended to expand child health care access did not equitably reach children of immigrants despite their eligibility for health insurance. Tailored interventions for children of immigrants are needed to mitigate disparities in health insurance coverage.

Longitudinal Associations of Food Security with Health and Dietary Factors among Food FARMacy Participants during COVID-19 in New York City.

In cross-sectional studies, food insecurity is associated with adverse health and dietary outcomes. Whether self-reported health and dietary outcomes change in response to improvements in food security has not been examined. We sought to examine how increases in food security are related to changes in health and dietary factors. In this longitudinal, observational study, we included adult participants in a clinical-community emergency food assistance program in New York City from July 2020 to November 2021. Program staff measured food security with a validated six-item measure at program enrollment and six-month re-enrollment. Participants self-reported health and dietary factors (vegetable, fruit, juice, and sugar-sweetened beverage (SSB) consumption frequency). We used multivariable regression to examine associations between change in food security with change in health and dietary factors over six months. Among 310 participants, the mean food security score improved by 1.7 ± 2.3 points over six months. In unadjusted models, each point improvement in food security was associated with increased vegetable (ß = 0.10 times; 95% CI: 0.05-0.15); fruit (ß = 0.08 times; 95% CI: 0.03-0.14); and juice (ß = 0.10 times; 95% CI: 0.05-0.15) consumption. In adjusted models, results remained significant for vegetable and fruit consumption, but not juice. Change in food security was not associated with change in health or SSB outcomes. In this cohort during COVID-19, improved food security was associated with improved vegetable and fruit consumption. Randomized trials that examine the effectiveness of clinical-community partnerships focused on improving food security and nutrition are warranted.