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0 0.5 1 1.5 2+ Symptomatic case 15% Improvement Relative Risk Symptomatic case (b) 42% c19early.com/dt Nguyen et al. Diet for COVID-19 Prophylaxis Favors healthy diet Favors control
Nguyen, 2,136 patient diet study: 15% fewer symptomatic cases [p=0.006] https://c19p.org/nguyen2dt
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Single and Combinative Impacts of Healthy Eating Behavior and Physical Activity on COVID-19-like Symptoms among Outpatients: A Multi-Hospital and Health Center Survey
Nguyen et al., Nutrients, doi:10.3390/nu13093258
18 Sep 2021    Source   PDF   Share   Tweet
Analysis of 3,947 participants in Vietnam, showing significantly lower risk of COVID-19-like symptoms with physical activity and with a healthy diet. The combination of being physically active and eating healthy reduced risk further compared to either alone. The analyzed period was Feb 14 to Mar 2, 2020, which may have been before testing was widely available.
risk of symptomatic case, 15.2% lower, RR 0.85, p = 0.006, higher quality diet 345 of 1,054 (32.7%), lower quality diet 433 of 1,082 (40.0%), NNT 14, adjusted per study, odds ratio converted to relative risk, high vs. low HES, COVID-19-like symptoms, multivariable.
risk of symptomatic case, 42.0% lower, OR 0.58, p < 0.001, adjusted per study, high HES and physically active, COVID-19-like symptoms, multivariable, RR approximated with OR.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Nguyen et al., 18 Sep 2021, retrospective, Vietnam, peer-reviewed, survey, 17 authors, study period 14 February, 2020 - 2 March, 2020.
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