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The Associations between Sleep Duration and Sleep Quality with Body-Mass Index in a Large Sample of Young Adults

Author

Listed:
  • Tomislav Krističević

    (Faculty of Kinesiology, University of Zagreb, 10 000 Zagreb, Croatia)

  • Lovro Štefan

    (Faculty of Kinesiology, University of Zagreb, 10 000 Zagreb, Croatia)

  • Goran Sporiš

    (Faculty of Kinesiology, University of Zagreb, 10 000 Zagreb, Croatia)

Abstract

Background: The main aims of this study were to explore the associations between time spent in bed (as a proxy of sleep duration) and sleep quality with overweight/obesity status in a large sample of young adults. Methods: In this cross-sectional study, participants were 2100 university students (49.6% of women). We used Pittsburgh Sleep Quality Index (PSQI) questionnaire to assess time spent in bed and sleep quality. Body-mass index (BMI) was self-reported and dichotomized as normal (<25 kg/m 2 ) vs. overweight/obesity (≥25 kg/m 2 ) status. Results: In model 1, both short (<6 h/day, OR = 2.72; 95% CI 1.27 to 5.84) and long (>10 h/day, OR = 3.38; 95% CI 2.12 to 5.40) time spent in bed were associated with a greater likelihood of being overweight/obese. In model 2, poor sleep quality (>5 points, OR = 1.45; 95% CI 1.14 to 1.83) was associated with a greater likelihood of being overweight/obese. After entering time spent in bed and sleep quality simultaneously into the model 3, both short (OR = 2.64; 95% CI 1.23 to 5.66) and long (OR = 3.27; 95% CI 2.04 to 5.23) time spent in bed and poor sleep quality (OR = 1.40; 95% CI 1.10 to 1.78) were associated with overweight/obesity status. Conclusions: Our results show that both short and long time spent in bed and poor sleep quality are associated with overweight/obesity status in young adults. Special interventions and policies that use both sleep duration and sleep quality as protective factors against overweight/obesity are warranted.

Suggested Citation

  • Tomislav Krističević & Lovro Štefan & Goran Sporiš, 2018. "The Associations between Sleep Duration and Sleep Quality with Body-Mass Index in a Large Sample of Young Adults," IJERPH, MDPI, vol. 15(4), pages 1-10, April.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:4:p:758-:d:141137
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    References listed on IDEAS

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    1. Karl Peltzer & Supa Pengpid, 2017. "Sleep Duration, Sleep Quality, Body Mass Index, and Waist Circumference among Young Adults from 24 Low- and Middle-Income and Two High-Income Countries," IJERPH, MDPI, vol. 14(6), pages 1-12, May.
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    Cited by:

    1. Ijaz Ul Haq & Zahula Mariyam & Min Li & Xiaojia Huang & Pan Jiang & Falak Zeb & Xiaoyue Wu & Qing Feng & Ming Zhou, 2018. "A Comparative Study of Nutritional Status, Knowledge Attitude and Practices (KAP) and Dietary Intake between International and Chinese Students in Nanjing, China," IJERPH, MDPI, vol. 15(9), pages 1-11, September.
    2. Michael Osei Mireku & Alina Rodriguez, 2021. "Sleep Duration and Waking Activities in Relation to the National Sleep Foundation’s Recommendations: An Analysis of US Population Sleep Patterns from 2015 to 2017," IJERPH, MDPI, vol. 18(11), pages 1-15, June.
    3. Fahad Abdulaziz Alrashed & Abdulrahman M. Alsubiheen & Hessah Alshammari & Sarah Ismail Mazi & Sara Abou Al-Saud & Samha Alayoubi & Shaji John Kachanathu & Ali Albarrati & Mishal M. Aldaihan & Tauseef, 2022. "Stress, Anxiety, and Depression in Pre-Clinical Medical Students: Prevalence and Association with Sleep Disorders," Sustainability, MDPI, vol. 14(18), pages 1-18, September.
    4. Ilaria Corbo & Giuseppe Forte & Francesca Favieri & Maria Casagrande, 2023. "Poor Sleep Quality in Aging: The Association with Mental Health," IJERPH, MDPI, vol. 20(3), pages 1-12, January.
    5. Beata Borowska & Agnieszka Suder & Katarzyna Kliś & Iwona Wronka, 2022. "Associations between Sleep Duration and Anthropometric Indices of Adiposity in Female University Students," IJERPH, MDPI, vol. 19(18), pages 1-9, September.
    6. Lovro Štefan & Maja Horvatin & Mario Baić, 2019. "Are Sedentary Behaviors Associated with Sleep Duration? A Cross-Sectional Case from Croatia," IJERPH, MDPI, vol. 16(2), pages 1-8, January.

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