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

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. Mothers and their infants were telephone surveyed at 2 and 4 months. Mother demographics; TT; feeding pra...

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Bibliographic Details
Published in:Journal of pediatric health care 2019-01, Vol.33 (1), p.80-91
Main Authors: Koren, Ainat, Kahn-D'angelo, Linda, Reece, Susan M., Gore, Rebecca
Format: Article
Language:English
Subjects:
BMI-z
development
infancy
infant development
Nursing
tummy time
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Summary: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. 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 from Cochran–Mantel–Haenszel and single logistic regression showed a significant association between development, level of BMI-z, and time spent in TT at 2 months of age (p < .0001). The threshold model showed there was a decline in BMI-z at 4 months as daily time in TT increases past the threshold value of approximately 12 minutes per day. Mother education and TT at 2 months were significant predictors of BMI-z at 4 months. Study outcomes suggest that infant positioning and time in TT promote infant motor development and may moderate rapid infant weight gain.
ISSN:0891-5245
1532-656X
DOI:10.1016/j.pedhc.2018.06.006