Physical Activity and Risk of Preterm Birth in a Cohort of African American Women

Women's Health Issues : Official Publication of the Jacobs Institute of Women's Health
J K StraughenDawn P Misra

Abstract

Few studies have identified modifiable risk factors that are associated with the prevention of preterm delivery (PTD). This study examined the relationship between PTD and physical activity during pregnancy. Data were obtained by medical record review and postpartum questionnaires from a cohort of African American women (N = 1,410) delivering singleton infants. Physical activity was self-reported and analyses compared any and none. Additional analyses classified leisure time physical activity (LTPA) and walking for a purpose as 0, 1 to 19, 20 to 39, and 40 minutes per day or more and stair climbing as 0, 1 to 5, 6 to 9, and 10 or more times per day. Log-Poisson models adjusted for previous PTD, pregnancy complications, and income were used to examine the association between PTD and physical activity during pregnancy across body mass index categories. Overall, 16.4% of deliveries were preterm. LTPA was associated with a decreased prevalence of PTD (prevalence ratio [PR], 0.73; 95% confidence interval [CI], 0.55-0.96), but stratification by maternal prepregnancy body mass index suggested that LTPA was only protective against PTD among women with normal weight (PR, 0.43; 95% CI, 0.23-0.79). Stair climbing 10 or more times per day ...Continue Reading

Citations

Sep 27, 2020·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·María Rosario Román-GálvezAurora Bueno-Cavanillas
Mar 6, 2021·Journal of Racial and Ethnic Health Disparities·Devon SneedDawn P Misra
Sep 26, 2020·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Valerie SteckleAlan Bocking

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