A randomized, controlled, parallel group design will be used to test whether a Secondhand Smoke Exposure program initiated in the hospital and completed in the home using motivational interviewing plus motivational incentives (MI+) is more effective than Conventional Care (CC) with Neonatal Incentives Care Unit Infants' parents.

Inclusion Criteria:

• Have an infant that is at least 1 week prior to the estimated date of hospital discharge in the NICU at Children's Memorial Hermann Hospital (CMHH)
• Report at least one person living in the home who smokes
• Agree to attend intervention sessions and to invite other household members
• Live within 50 miles of our center
• Have access to a telephone.

Exclusion Criteria:

• Severe cognitive, and/or psychiatric impairment, per judgment of NICU and research staff, that precludes cooperation with study protocol
• Inability to read, write, and speak English or Spanish
• Inability or unwillingness to provide signed consent for participation
• Inability or unwillingness to meet study requirements, including home visits for data collection and intervention purposes.