COVID-19 lockdown consequences on body mass index and perceived fragility related to physical activity : a worldwide cohort study

Urzeala, Constanta and Duclos, Martine and Ugbolue, Ukadike Chris and Bota, Aura and Berthon, Mickael and Kulik, Keri and Thivel, David and Bagheri, Reza and Gu, Yaodong and Baker, Julien S and Andant, Nicolas and Pereira, Bruno and Rouffiac, Karine and Clinchamps, Maëlys and Dutheil, Frédéric, The Covistress Network (2022) COVID-19 lockdown consequences on body mass index and perceived fragility related to physical activity : a worldwide cohort study. Health Expectations, 25 (2). pp. 522-531. ISSN 1369-7625 (https://doi.org/10.1111/hex.13282)

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Abstract

BackgroundThis paper is a follow-up study continuing the COVISTRESS network previous research regarding health-related determinants.ObjectiveThe aim was to identify the main consequences of COVID-19 lockdown on Body Mass Index and Perceived Fragility, related to Physical Activity (PA), for different categories of populations, worldwide.DesignThe study design included an online survey, during the first wave of COVID-19 lockdown, across different world regions.Setting and participantsThe research was carried out on 10 121 participants from 67 countries. The recruitment of participants was achieved using snowball sampling techniques via social networks, with no exclusion criteria other than social media access.Main outcome measuresBody Mass Index, Physical Activity, Perceived Fragility and risk of getting infected items were analysed. SPSS software, v20, was used. Significance was set at P < .05.ResultsBody Mass Index significantly increased during lockdown. For youth and young adults (18-35 years), PA decreased by 31.25%, for adults (36-65 years) by 26.05% and for the elderly (over 65 years) by 30.27%. There was a high level of Perceived Fragility and risk of getting infected for female participants and the elderly. Correlations between BMI, Perceived Fragility and PA were identified.Discussion and conclusionsThe research results extend and confirm evidence that the elderly are more likely to be at risk, by experiencing weight gain, physical inactivity and enhanced Perceived Fragility. As a consequence, populations need to counteract the constraints imposed by the lockdown by being physically active.

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