The Infant Health and Development Program (IHDP), an eight-site randomized controlled trial of a comprehensive intervention program combining home visits, child centers, and parent meetings with pediatric follow-up and referral, effectively reduced the incidence of health and developmental problems in a sample of 377 low birth weight, premature…

The Infant Health and Development Program was an eight-site randomized controlled trial of comprehensive early intervention for low birthweight, premature infants from birth to age three. Higher mental development and IQ were associated with high levels of intervention participation at 24 and 36 (but not 12) months. A dose-response relation…