Examining Childhood Obesity From Infancy: The Relationship Between Tummy Time, Infant BMI-z, Weight Gain, and Motor Development—An Exploratory Study

Introduction This exploratory study investigated the infant time spent in tummy time (TT) in relation to body mass index z score (BMI-z), weight gain, and motor development in infants from birth to 4 months. Method Mothers and their infants were telephone surveyed at 2 and 4 months. Mother demographics; TT; feeding practices; and infant length, and height, and development were collected each time. Results Results from Cochran–Mantel–Haenszel and...