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dc.contributor.authorPoudevigne, Melanie Stephanie
dc.description.abstractPhysical activity (PA) and psychological health in pregnant women (PW) were studied. Study I examined relationships between depression symptoms (CES-Ds) and PA at work (WPA) and leisure time (LTPA) among PW. Multiple regressions at each trimester determined the strength of relationships accounting for potential confounders (age, income, education, smoking, increased adverse outcome risk, first trimester symptoms of depression, first trimester physical activity) in PW reporting WPA (n=246), LTPA (n=102), or both WPA and LTPA (n=54). Mean CES-Ds increased and both mean PAs decreased across pregnancy. CES-Ds were unrelated to PAs. Neither WPA, LTPA nor both activities combined added to the prediction of depression symptoms in PW after accounting for confounders. First trimester CES-D scores predicted CESDs in later trimesters. The findings imply that early screening for depression symptoms could be useful in identifying women at increased risk of peripartum mood disturbances. Study II compared three PA measures and examined mood and self-esteem correlates of physical activity change during pregnancy. A sample of 12 PW was recruited during their first trimester. Twelve non-pregnant women (NPW) were matched to the PW. Once monthly, for seven consecutive months, total weekly energy expenditure (TWEE) was assessed using a diary (PAD) and recall interview (PAR). Accelerometers were worn for three days monthly. Mood and self esteem were also assessed. The results showed that PAR scores for TWEE and MTI counts were positively and moderately correlated with PAD estimates (PW: r= .40 and NPW: r= .50, p<.001). MTI counts decreased significantly in PW by 23% across pregnancy compared to a 5% decrease in NPW. Fatigue and vigor scores improved early in the second trimester and worsened in late pregnancy. Global self esteem improved late pregnancy compared to controls. Physical self esteem did not change. Changes in PA were not correlated to changes in mood or self-esteem in either group. The results provided some evidence for the validity of the PAR and the MTI accelerometer as measures of PA in pregnancy. Physically active pregnant women can improve global self esteem and enjoy mood stability.
dc.subjectLeisure time physical activity
dc.subjectWork-related physical activity
dc.titleRelationships between physical activity and mood in pregnancy
dc.description.departmentExercise Science
dc.description.majorExercise Science
dc.description.advisorPatrick J. O'Connor
dc.description.committeePatrick J. O'Connor
dc.description.committeeKirk J. Cureton
dc.description.committeeRodney K. Dishman
dc.description.committeeStephen F. Olejnik

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