The Happiest Baby, Inc. SNOO Postmarket Surveillance Study

Inclusion Criteria

Infant/caregiver dyads meeting the following inclusion criteria will be eligible for study enrollment:

• Respondent must identify as a primary caregiver of the infant.
• Purchase or rental of SNOO shipped to a U.S. residence during the defined enrollment period.
• Caregivers must be English speakers ages 18 or older residing in the United States.
• Infants must use SNOO during the intended use period (i.e., birth to 6 months).
• Infants must meet at least one of the following criteria for high risk for SUID:

• Infant race: Black or African American; and/or American Indian or Alaskan Native
• Maternal education: 12 years or less
• Low birth weight: \<5 pounds 8 ounces (\<2500 grams)
• Last menstrual cycle (LMP) or obstetrical estimate (OE) Gestational age at time of birth: \<37 weeks (preterm)
• Maternal age at time of birth: \<25 years
• Smoking status: Any self-reported maternal smoking during pregnancy

Exclusion Criteria

• Not primary caregiver
• Does not speak English
• Is not a US resident
• Is not 18 years old or older
• Infant did not use SNOO during the intended use period (i.e., birth to 6 months).
• Infants does NOT meet at least one of the below risk criteria:

• Infant race: Black or African American; and/or American Indian or Alaskan Native
• Maternal education: 12 years or less
• Low birth weight: \<5 pounds 8 ounces (\<2500 grams)
• LMP or OE Gestational age at time of birth: \<37 weeks (preterm)
• Maternal age at time of birth: \<25 years
• Smoking status: Any self-reported maternal smoking during pregnancy