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Is Less Sedentary Behavior, More Physical Activity, or Higher Fitness Associated with Sleep Quality? A Cross-Sectional Study in Singapore

Author

Listed:
  • Robert A. Sloan

    (Department of Social and Behavioral Medicine, Kagoshima University Graduate Medical School, Kagoshima 890-8520, Japan)

  • Youngdeok Kim

    (Department of Kinesiology and Health Sciences, Virginia Commonwealth University, Richmond, VA 23284, USA)

  • Susumu S. Sawada

    (Faculty of Sport Sciences, Waseda University, Saitama 359-1192, Japan)

  • Akihiro Asakawa

    (Department of Social and Behavioral Medicine, Kagoshima University Graduate Medical School, Kagoshima 890-8520, Japan)

  • Steven N. Blair

    (Exercise Science Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA)

  • Eric A. Finkelstein

    (Lien Centre for Palliative Care, Duke-NUS Medical School, Singapore 169857, Singapore)

Abstract

Objectives: To examine the independent, joint, and fully combined associations of sedentary behavior (SB), moderate-to-vigorous physical activity (MVPA), and cardiorespiratory fitness (CRF) with the odds of poor sleep quality (SQ). Methods: We performed a secondary data analysis on 757 working adults (male = 345) in Singapore, with an average age of 35.2 years. The Pittsburgh Sleep Quality Index was used to assess SQ. Objectively measured MVPA and SB were each obtained using an accelerometer. A non-exercise prediction equation was used to estimate CRF. Logistic regression models were used to determine associations. Results: In total, 13.2% of the sample (n = 100) was identified as having poor SQ. After adjusting for study covariates, independent analyses revealed a clear inverse association for higher CRF and lower odds of poor SQ (OR = 0.50; 95% CI = 0.28–0.91). SB and MVPA demonstrated no independent associations. Joint associations revealed that odds of having poor SQ for those with low CRF was higher regardless of SB level and was further deteriorated by lower MVPA in the fully combined model. The fully combined model also demonstrated that those with lower SB, higher MVPA, and higher CRF had the lowest odds of having poor SQ (OR = 0.28; 95% CI = 0.10–0.78). Conclusions: Physical activity/exercise training programs that aim to improve CRF may be useful in lowering the odds or poor SQ in working adults.

Suggested Citation

  • Robert A. Sloan & Youngdeok Kim & Susumu S. Sawada & Akihiro Asakawa & Steven N. Blair & Eric A. Finkelstein, 2020. "Is Less Sedentary Behavior, More Physical Activity, or Higher Fitness Associated with Sleep Quality? A Cross-Sectional Study in Singapore," IJERPH, MDPI, vol. 17(4), pages 1-11, February.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:4:p:1337-:d:322417
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    References listed on IDEAS

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    1. Gerard Dunleavy & André Comiran Tonon & Ai Ping Chua & Yichi Zhang & Kei Long Cheung & Thuan-Quoc Thach & Yuri Rykov & Chee-Kiong Soh & Georgios Christopoulos & Hein de Vries & Josip Car, 2019. "A Multifactorial Approach to Sleep and Its Association with Health-Related Quality of Life in a Multiethnic Asian Working Population: A Cross-Sectional Analysis," IJERPH, MDPI, vol. 16(21), pages 1-14, October.
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    Cited by:

    1. Ahmad M. Osailan & Ragab K. Elnaggar & Saud F. Alsubaie & Bader A. Alqahtani & Walid Kamal Abdelbasset, 2021. "The Association between Cardiorespiratory Fitness and Reported Physical Activity with Sleep Quality in Apparently Healthy Adults: A Cross-Sectional Study," IJERPH, MDPI, vol. 18(8), pages 1-13, April.

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