100, b=0.07, 95% credible interval (CI) [.04 - .10]). Paired with prior findings, this information informed our expectations (“priors”) for infants who provided data before and after pandemic onset (n=157). Preliminary results suggest that NA increased as expected before pandemic onset (BF>100, b=0.09, 95%CI [.05 - .12]), but then flattened after pandemic onset (BF=0.17, b<0.01, 95%CI [-.06 - .07]) relative to the pre-pandemic period. Follow-up analyses will consider familial (e.g., SES) and COVID-specific (e.g., parental job loss) factors that may contribute to this change in NA development following pandemic onset. Content is hosted by All Academic Inc, a leading provider of online hosting and software solutions for academic conferences supporting submission, peer review, scheduling, invitaions, volunteers, scheduling, web-based programs, advanced bulk email, custom workflows, and more for conferences of scholarly societies since 1999." />
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When the world pivots: Changes in infant negative affect in response to the COVID-19 pandemic

Fri, March 24, 3:30 to 5:00pm, Salt Palace Convention Center, Floor: 3, Meeting Room 355 B

Abstract

The onset of the COVID-19 pandemic, and the ensuing social, economic, and health-related hardships, contributed to a rise in mental health concerns for individuals of all ages. However, little is known about the impact of the pandemic on infant emotional development, with available studies focusing on outcomes at a single time point or using samples that lack non-COVID comparisons. This has led to inconsistent results. In this study, we examined whether the development of infant negative affect (NA) differed as a function of the pandemic onset. Caregivers from LANTS reported on NA at 4-, 8-, 12-, 18-, and 24-months of age. Spline models were fit in a Bayesian framework, with pandemic onset (03/11/2020) as the knot point. We first examined "normative" developmental trends in NA among infants who completed data collection prior to COVID (n=200). Infant showed a predicted increase in NA over time (Bayes Factor (BF)>100, b=0.07, 95% credible interval (CI) [.04 - .10]). Paired with prior findings, this information informed our expectations (“priors”) for infants who provided data before and after pandemic onset (n=157). Preliminary results suggest that NA increased as expected before pandemic onset (BF>100, b=0.09, 95%CI [.05 - .12]), but then flattened after pandemic onset (BF=0.17, b<0.01, 95%CI [-.06 - .07]) relative to the pre-pandemic period. Follow-up analyses will consider familial (e.g., SES) and COVID-specific (e.g., parental job loss) factors that may contribute to this change in NA development following pandemic onset.

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