Table 1 Infant and Parent Demographics (n = 21)

 Hispanic

 Black non-Hispanic

 White non-Hispanic

 Asian

Gestational age (weeks), median (IQR) if preterm

< 32 weeks, n (%)

< 28 weeks, n (%)

Term infants being followed in high risk infant follow up clinic, n (%)

Birth weight (grams), median (IQR)

Chronologic Age (months), median (IQR)

Corrected gestational age (months), median (IQR)

Length of stay of hospitalization in NICU (index hospitalization), days, median (IQR)^a

Time from discharge (months), median (IQR)

Infants with medical complexity^b

(Diagnoses list available in Appendix)

 Complex Chronic Disease (C-CD), n (%)

 Non Complex Chronic Disease (NC-CD), n (%)

Number of medications used after discharge, median (IQR)

Number of medical subspecialists after discharge, median (IQR)

Using durable medical equipment^c, n (%)

 Oxygen

 Feeding tube (gastrostomy/jejunostomy)

 Tracheostomy/Ventilator dependence

Using occupational therapy, n (%)

Using physical therapy, n (%)

Bayley Scores (if > 6 months), median (IQR)

 Composite Cognitive

 Composite Language

 Receptive Language (scaled score)

 Expressive Language (scaled score)

 Composite Motor

Fine Motor (scaled score)

 Gross Motor (scaled score)

Age (years) at delivery, median (IQR)

Parity status, n (%)

 First child

 Siblings

 Missing values

 English

 Spanish

 Home zip code in service planning area (SPA) with 3th quartile economic hardship index

 Home zip code in service planning area (SPA) with 4th quartile economic hardship index

Distance from home zip code to High Risk Infant Follow Up Clinic (miles), median (IQR)

 <10 miles, n (%)

 ≥10 miles to < 20 miles, n (%)

 ≥20 miles, n (%)

Medicaid/California Children’s Services, n (%)

Receiving income assistance if eligible, n (%)

Owning a smartphone or tablet with internet capability, n (%)