A Longitudinal Study of Physical Activity to Improve Sleep Quality During Pregnancy
Authors Tan L, Zou J, Zhang Y, Yang Q, Shi H
Received 10 March 2020
Accepted for publication 17 June 2020
Published 13 July 2020 Volume 2020:12 Pages 431—442
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Sutapa Mukherjee
Liwei Tan,1,* Jiaojiao Zou,1,* Yunhui Zhang,2 Qing Yang,3 Huijing Shi1
1Department of Maternal, Child and Adolescent Health, School of Public Health, Fudan University, Shanghai, People’s Republic of China; 2Department of Environmental Health, School of Public Health, Fudan University, Shanghai, People’s Republic of China; 3Department of Child Care, The Maternal and Child Healthcare Institute of Songjiang District, Shanghai, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Huijing Shi; Qing Yang Tel +86-21-54237022
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Purpose: To explore the association between maternal physical activity (PA) and sleep quality during pregnancy, and the necessary PA level at different gestational stages to attain improved sleep quality.
Methods: A total of 2443 participants were recruited from the Shanghai Maternal-Child Pairs Cohort (Shanghai MCPC) study, who had completed questionnaires including the Pittsburgh Sleep Quality Index (PSQI) and the International Physical Activity Questionnaire (IPAQ) at gestational weeks (GW) of 12– 16 and 32– 36. PSQI scores and their seven components at the two GW were compared, as were PSQI scores at 12– 16 and 32– 36 GW and the increment in PSQI relative to PA. Regression analysis was conducted to assess the effect of PA and its change on the total PSQI score at different GW.
Results: The mean PSQI scores increased significantly during pregnancy, from 6.30 ± 3.01 at 12– 16 GW to 7.23 ± 3.47 at 32– 36 GW. Compared with women in low PA level, moderate levels of PA at both 12– 16 GW and 32– 36 GW were significantly reduced PSQI scores of 0.42 (95% CI:-0.68,-0.16) and 0.32 (95% CI:-0.63,-0.01), respectively. At 32– 36 GW, high PA level also significantly decreased PSQI score, with a greater decline than moderate PA level. (AOR=− 0.87,95% CI:-1.57,-0.18). PA increment from 12– 16 to 32– 36 weeks of pregnancy created a significant decline of 0.54 in PSQI scores.
Conclusion: The study revealed sleep quality was worse at the third trimester and moderate PA level had the potential for improvement of sleep quality both in the first and the third trimester. High PA level was also beneficial to improve sleep quality of pregnant women in the third trimester.
Keywords: gestational weeks, pregnancy, sleep quality, physical activity
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