Devon Sneed1, Purni M Abeysekara2, Jaime C Slaughter-Acey3, Carmen Giurgescu4, Rhonda Dailey5, Dawn P Misra6. 1. Office of Health Science, Georgia Department of Public Health, Atlanta, GA, USA. 2. Department of Community Health and Prevention, Drexel University Dornsife School of Public Health, Philadelphia, PA, USA. 3. Division of Epidemiology and Community Health, University of Minnesota, School of Public Health, 1300 South 2nd Street Ste. 300, Minneapolis, MN, 55454, USA. jslaughts@gmail.com. 4. College of Nursing, University of Central Florida, Orlando, FL, USA. 5. Department of Family Medicine and Public Health Science, Wayne State University School of Medicine, Detroit, MI, USA. 6. Department of Epidemiology and Biostatistics, Michigan State University College of Human Medicine, East Lansing, MI, USA.
Abstract
OBJECTIVE: To examine the relationship between physical activity (PA) and preterm birth (PTB) within the context of depressive symptoms (DS). METHODS: Data are from the Life-course Influences of Fetal Environments (LIFE) Study, a cohort comprised of 1410 Black women, age 18-45 years who delivered a singleton in Metropolitan Detroit, MI. DS were measured with the Center for Epidemiologic Studies Depression Scale (CES-D); a score > 23 indicates severe DS. Traditional leisure time PA (LTPA) and non-LTPA during pregnancy (walking for a purpose, climbing stairs) were both measured. Modified Poisson regression models were used to estimate the association between PTB and PA. Effect modification by severe DS was assessed via stratification. RESULTS: Approximately 16% of women had a PTB; 20% had CES-D scores > 23. Walking for a purpose was the most frequently reported type of PA (79%), followed by any LTPA (37.7%) and climbing stairs (13.5%). Compared with women who reported no PA, women who reported walking for a purpose (PR = 0.70, 95% CI 0.61, 1.10), partaking in LTPA (PR = 0.67, 95% CI 0.50, 0.90), or climbing stairs (PR = 0.61, 95% CI 0.45, 0.81) were less likely to have PTB. Results stratified by severe DS show the association between LTPA and PTB was more pronounced in women with severe DS, while the non-LTPA relationship with PTB was more heterogeneous. CONCLUSIONS: Women who participated in traditional LTPA (any or walking only) and non-LTPA experienced improved birth outcomes. LTPA may buffer against PTB among pregnant Black women with severe DS as well as none or mild DS.
OBJECTIVE: To examine the relationship between physical activity (PA) and preterm birth (PTB) within the context of depressive symptoms (DS). METHODS: Data are from the Life-course Influences of Fetal Environments (LIFE) Study, a cohort comprised of 1410 Black women, age 18-45 years who delivered a singleton in Metropolitan Detroit, MI. DS were measured with the Center for Epidemiologic Studies Depression Scale (CES-D); a score > 23 indicates severe DS. Traditional leisure time PA (LTPA) and non-LTPA during pregnancy (walking for a purpose, climbing stairs) were both measured. Modified Poisson regression models were used to estimate the association between PTB and PA. Effect modification by severe DS was assessed via stratification. RESULTS: Approximately 16% of women had a PTB; 20% had CES-D scores > 23. Walking for a purpose was the most frequently reported type of PA (79%), followed by any LTPA (37.7%) and climbing stairs (13.5%). Compared with women who reported no PA, women who reported walking for a purpose (PR = 0.70, 95% CI 0.61, 1.10), partaking in LTPA (PR = 0.67, 95% CI 0.50, 0.90), or climbing stairs (PR = 0.61, 95% CI 0.45, 0.81) were less likely to have PTB. Results stratified by severe DS show the association between LTPA and PTB was more pronounced in women with severe DS, while the non-LTPA relationship with PTB was more heterogeneous. CONCLUSIONS: Women who participated in traditional LTPA (any or walking only) and non-LTPA experienced improved birth outcomes. LTPA may buffer against PTB among pregnant Black women with severe DS as well as none or mild DS.
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