Paid Family Leave and Prevention of Acute Respiratory Infections in Young Infants

Author:

Ahrens Katherine A.1,Janevic Teresa2,Strumpf Erin C.3,Nandi Arijit4,Ortiz Justin R.5,Hutcheon Jennifer A.6

Affiliation:

1. Muskie School of Public Service, University of Southern Maine, Portland, Maine

2. Department of Epidemiology, Columbia University Mailman School of Public Health, New York, New York

3. Department of Economics and Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada

4. Department of Equity, Ethics, and Policy and Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Québec, Canada

5. Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, Maryland

6. Department of Obstetrics & Gynaecology, University of British Columbia, Vancouver, British Columbia, Canada

Abstract

ImportanceAcute respiratory tract infections are the leading cause of emergency department visits and hospitalizations in US children, with highest risks in the first 2 months after birth. Out-of-home childcare settings increase the spread of respiratory tract infections. The study team hypothesized that access to state-paid family leave could reduce acute care encounters (hospital admissions or emergency department visits) for respiratory tract infections in young infants by reducing out-of-home childcare transmissions.ObjectiveTo determine if the 2018 introduction of paid family leave in New York state reduced acute care encounters for respiratory tract infections in infants 8 weeks or younger.Design, Setting, and ParticipantsThis population-based study of acute care encounters took place in New York state and New England control states (Maine, Massachusetts, New Hampshire, Vermont) from October 2015 through February 2020. Participants included infants aged 8 weeks or younger. Controlled time series analysis using Poisson regression was used to estimate the impact of paid family leave on acute care encounters for respiratory tract infections, comparing observed counts during respiratory virus season (October through March) with those predicted in the absence of the policy. Acute care encounters for respiratory tract infections in 1-year-olds (who would not be expected to benefit as directly from the policy) were modeled as a placebo test.InterventionNew York State Paid Family Leave policy, introduced on January 1, 2018, providing 8 weeks of paid leave for eligible parents.Main Outcomes and MeasuresEmergency department visits or hospitalizations with International Statistical Classification of Diseases and Related Health Problems, Tenth Revision (ICD) codes for upper or lower respiratory tract infections or associated symptoms (ie, fever, cough), excluding newborn hospitalizations. The secondary outcome was acute care encounters for respiratory syncytial virus (RSV) bronchiolitis.ResultsThere were 52 943 acute care encounters for respiratory infection among infants 8 weeks or younger. There were 15 932 encounters that were hospitalizations (30%) and 33 304 of the encounters were paid for by Medicaid (63%). Encounters were 18% lower than predicted (relative percentage change = −17.9; 95% CI, −20.3 to −15.7) after the introduction of paid family leave. RSV encounters were 27.0% lower (95% CI, −30.9 to −23.5) than predicted. Similar reductions were not observed in 1-year-olds (relative percentage change = −1.5; 95% CI, −2.5 to −0.6).ConclusionsNew York state’s paid family leave policy was associated with reduced acute care encounters for respiratory tract infections in young infants. These findings may be useful for informing implementation of paid family leave federally and in the states that have not enacted paid family leave policies.

Publisher

American Medical Association (AMA)

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