William A Grobman1, Emma G Crenshaw2, Derek J Marsh2, Rebecca B McNeil2, Victoria L Pemberton3, David M Haas4, Michelle Debbink5, Brian M Mercer6, Samuel Parry7, Uma Reddy8, George Saade9, Hyagriv Simhan10, Farhana Mukhtar11, Deborah A Wing11, Kiarri N Kershaw12. 1. Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois. 2. RTI International, Chapel Hill, North Carolina. 3. Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland. 4. Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana. 5. Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah. 6. Department of Obstetrics and Gynecology, The MetroHealth System, Cleveland, Ohio. 7. Department of Obstetrics and Gynecology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania. 8. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, Connecticut. 9. Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, Texas. 10. Department of Obstetrics, Gynecology and Reproductive Science, University of Pittsburgh School of Medicine, Magee-Women's Research Institute, Pittsburgh, Pennsylvania. 11. Department of Obstetrics-Gynecology, University of California Irvine School of Medicine, Irvine, California. 12. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
Abstract
OBJECTIVE: This study aimed to determine whether specific factors of the built environment related to physical activity and diet are associated with inadequate and excessive gestational weight gain (GWG). STUDY DESIGN: This analysis is based on data from the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-To-Be, a prospective cohort of nulliparous women who were followed from the beginning of their pregnancies through delivery. At each study visit, home addresses were recorded and geocoded. Locations were linked to several built-environment characteristics such as the census tract National Walkability Score (the 2010 Walkability Index) and the number of gyms, parks, and grocery stores within a 3-km radius of residential address. The primary outcome of GWG (calculated as the difference between prepregnancy weight and weight at delivery) was categorized as inadequate, appropriate, or excessive based on weight gained per week of gestation. Multinomial regression (generalized logit) models evaluated the relationship between each factor in the built environment and excessive or inadequate GWG. RESULTS: Of the 8,182 women in the analytic sample, 5,819 (71.1%) had excessive GWG, 1,426 (17.4%) had appropriate GWG, and 937 (11.5%) had inadequate GWG. For the majority of variables examined, built environments more conducive to physical activity and healthful food availability were associated with a lower odds of excessive or inadequate GWG category. For example, a higher number of gyms or parks within 3 km of a participant's residential address was associated with lower odds of having excessive (gyms: adjusted odds ratio [aOR] = 0.93 [0.89-0.96], parks: 0.94 [0.90-0.98]) or inadequate GWG (gyms: 0.91 [0.86-0.96]; parks: 0.91 [0.86-0.97]). Similarly, a higher number of grocery stores was associated with lower odds of having excessive GWG (0.94 [0.91-0.97]). CONCLUSION: Among a diverse population of nulliparous women, multiple aspects of the built environment are associated with excessive and inadequate GWG. KEY POINTS: · There are little data on the association between the built environment and pregnancy outcomes.. · Multiple aspects of the built environment are associated with excessive and inadequate GWG.. · These results suggest the role that neighborhood investment may play in improving pregnancy outcomes.. Thieme. All rights reserved.
OBJECTIVE: This study aimed to determine whether specific factors of the built environment related to physical activity and diet are associated with inadequate and excessive gestational weight gain (GWG). STUDY DESIGN: This analysis is based on data from the Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-To-Be, a prospective cohort of nulliparous women who were followed from the beginning of their pregnancies through delivery. At each study visit, home addresses were recorded and geocoded. Locations were linked to several built-environment characteristics such as the census tract National Walkability Score (the 2010 Walkability Index) and the number of gyms, parks, and grocery stores within a 3-km radius of residential address. The primary outcome of GWG (calculated as the difference between prepregnancy weight and weight at delivery) was categorized as inadequate, appropriate, or excessive based on weight gained per week of gestation. Multinomial regression (generalized logit) models evaluated the relationship between each factor in the built environment and excessive or inadequate GWG. RESULTS: Of the 8,182 women in the analytic sample, 5,819 (71.1%) had excessive GWG, 1,426 (17.4%) had appropriate GWG, and 937 (11.5%) had inadequate GWG. For the majority of variables examined, built environments more conducive to physical activity and healthful food availability were associated with a lower odds of excessive or inadequate GWG category. For example, a higher number of gyms or parks within 3 km of a participant's residential address was associated with lower odds of having excessive (gyms: adjusted odds ratio [aOR] = 0.93 [0.89-0.96], parks: 0.94 [0.90-0.98]) or inadequate GWG (gyms: 0.91 [0.86-0.96]; parks: 0.91 [0.86-0.97]). Similarly, a higher number of grocery stores was associated with lower odds of having excessive GWG (0.94 [0.91-0.97]). CONCLUSION: Among a diverse population of nulliparous women, multiple aspects of the built environment are associated with excessive and inadequate GWG. KEY POINTS: · There are little data on the association between the built environment and pregnancy outcomes.. · Multiple aspects of the built environment are associated with excessive and inadequate GWG.. · These results suggest the role that neighborhood investment may play in improving pregnancy outcomes.. Thieme. All rights reserved.
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